[mir] Change 'undef' for MMO base addresses to 'unknown-address'

[qcolombet]

Nice!

Thanks for the follow-up patch!

llvm/lib/CodeGen/MIRParser/MILexer.h

enum TokenKind {
     kw_floatpred,
     kw_intpred,
     kw_shufflemask,
     kw_pre_instr_symbol,
     kw_post_instr_symbol,
     kw_heap_alloc_marker,
     kw_bbsections,
     kw_unknown_size,
+    kw_unknown_address,
 
     // Named metadata keywords
     md_tbaa,
     md_alias_scope,
     md_noalias,
     md_range,
     md_diexpr,
     md_dilocation,

llvm/lib/CodeGen/MIRParser/MILexer.cpp

return StringSwitch<MIToken::TokenKind>(Identifier)
       .Case("floatpred", MIToken::kw_floatpred)
       .Case("intpred", MIToken::kw_intpred)
       .Case("shufflemask", MIToken::kw_shufflemask)
       .Case("pre-instr-symbol", MIToken::kw_pre_instr_symbol)
       .Case("post-instr-symbol", MIToken::kw_post_instr_symbol)
       .Case("heap-alloc-marker", MIToken::kw_heap_alloc_marker)
       .Case("bbsections", MIToken::kw_bbsections)
       .Case("unknown-size", MIToken::kw_unknown_size)
+      .Case("unknown-address", MIToken::kw_unknown_address)
       .Default(MIToken::Identifier);
 }
 
 static Cursor maybeLexIdentifier(Cursor C, MIToken &Token) {
   if (!isalpha(C.peek()) && C.peek() != '_')
     return None;
   auto Range = C;
   while (isIdentifierChar(C.peek()))

llvm/lib/CodeGen/MIRParser/MIParser.cpp

static bool parseIRValue(const MIToken &Token, PerFunctionMIParsingState &PFS,
   }
   case MIToken::QuotedIRValue: {
     const Constant *C = nullptr;
     if (parseIRConstant(Token.location(), Token.stringValue(), PFS, C, ErrCB))
       return true;
     V = C;
     break;
   }
-  case MIToken::kw_undef:
+  case MIToken::kw_unknown_address:
     V = nullptr;
     return false;
   default:
     llvm_unreachable("The current token should be an IR block reference");
   }
   if (!V)
     return ErrCB(Token.location(), Twine("use of undefined IR value '") + Token.range() + "'");
   return false;
if (Token.is(MIToken::kw_constant_pool) || Token.is(MIToken::kw_stack) ||
     if (parseOffset(Offset))
       return true;
     Dest = MachinePointerInfo(PSV, Offset);
     return false;
   }
   if (Token.isNot(MIToken::NamedIRValue) && Token.isNot(MIToken::IRValue) &&
       Token.isNot(MIToken::GlobalValue) &&
       Token.isNot(MIToken::NamedGlobalValue) &&
-      Token.isNot(MIToken::QuotedIRValue) && Token.isNot(MIToken::kw_undef))
+      Token.isNot(MIToken::QuotedIRValue) &&
+      Token.isNot(MIToken::kw_unknown_address))
     return error("expected an IR value reference");
   const Value *V = nullptr;
   if (parseIRValue(V))
     return true;
   if (V && !V->getType()->isPointerTy())
     return error("expected a pointer IR value");
   lex();
   int64_t Offset = 0;

llvm/lib/CodeGen/MachineOperand.cpp

default: {
       OS << '\"';
       break;
     }
     }
   } else if (getOpaqueValue() == nullptr && getOffset() != 0) {
     OS << ((isLoad() && isStore()) ? " on "
            : isLoad()              ? " from "
                                    : " into ")
-       << "undef";
+       << "unknown-address";
   }
   MachineOperand::printOperandOffset(OS, getOffset());
   if (getAlign() != getSize())
     OS << ", align " << getAlign().value();
   if (getAlign() != getBaseAlign())
     OS << ", basealign " << getBaseAlign().value();
   auto AAInfo = getAAInfo();
   if (AAInfo.TBAA) {

llvm/test/CodeGen/AArch64/GlobalISel/legalize-fpext.mir

bb.1:
     ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0
     ; CHECK: [[COPY1:%[0-9]+]]:_(p0) = COPY $x0
     ; CHECK: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[COPY]](<4 x s32>)
     ; CHECK: [[FPEXT:%[0-9]+]]:_(<2 x s64>) = G_FPEXT [[UV]](<2 x s32>)
     ; CHECK: [[FPEXT1:%[0-9]+]]:_(<2 x s64>) = G_FPEXT [[UV1]](<2 x s32>)
     ; CHECK: G_STORE [[FPEXT]](<2 x s64>), [[COPY1]](p0) :: (store 16, align 32)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C]](s64)
-    ; CHECK: G_STORE [[FPEXT1]](<2 x s64>), [[PTR_ADD]](p0) :: (store 16 into undef + 16)
+    ; CHECK: G_STORE [[FPEXT1]](<2 x s64>), [[PTR_ADD]](p0) :: (store 16 into unknown-address + 16)
     ; CHECK: RET_ReallyLR
     %0:_(<4 x s32>) = COPY $q0
     %1:_(p0) = COPY $x0
     %2:_(<4 x s64>) = G_FPEXT %0(<4 x s32>)
     G_STORE %2(<4 x s64>), %1(p0) :: (store 32)
     RET_ReallyLR
 
 ...

llvm/test/CodeGen/AArch64/GlobalISel/legalize-fptrunc.mir

bb.0:
     ; CHECK: [[FPTRUNC2:%[0-9]+]]:_(<2 x s32>) = G_FPTRUNC [[COPY2]](<2 x s64>)
     ; CHECK: [[FPTRUNC3:%[0-9]+]]:_(<2 x s32>) = G_FPTRUNC [[COPY3]](<2 x s64>)
     ; CHECK: [[COPY5:%[0-9]+]]:_(p0) = COPY $x0
     ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s32>) = G_CONCAT_VECTORS [[FPTRUNC]](<2 x s32>), [[FPTRUNC1]](<2 x s32>)
     ; CHECK: [[CONCAT_VECTORS1:%[0-9]+]]:_(<4 x s32>) = G_CONCAT_VECTORS [[FPTRUNC2]](<2 x s32>), [[FPTRUNC3]](<2 x s32>)
     ; CHECK: G_STORE [[CONCAT_VECTORS]](<4 x s32>), [[COPY5]](p0) :: (store 16, align 32)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY5]], [[C]](s64)
-    ; CHECK: G_STORE [[CONCAT_VECTORS1]](<4 x s32>), [[PTR_ADD]](p0) :: (store 16 into undef + 16)
+    ; CHECK: G_STORE [[CONCAT_VECTORS1]](<4 x s32>), [[PTR_ADD]](p0) :: (store 16 into unknown-address + 16)
     ; CHECK: RET_ReallyLR
     %2:_(<2 x s64>) = COPY $q0
     %3:_(<2 x s64>) = COPY $q1
     %4:_(<2 x s64>) = COPY $q2
     %5:_(<2 x s64>) = COPY $q3
     %0:_(<8 x s64>) = G_CONCAT_VECTORS %2(<2 x s64>), %3(<2 x s64>), %4(<2 x s64>), %5(<2 x s64>)
     %1:_(p0) = COPY $x0
     %6:_(<8 x s32>) = G_FPTRUNC %0(<8 x s64>)
     %7:_(p0) = COPY $x0
     G_STORE %6(<8 x s32>), %7(p0) :: (store 32)
     RET_ReallyLR
 ...

llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-store.mir

bb.1:
     ; CHECK: liveins: $x0
     ; CHECK: [[DEF:%[0-9]+]]:_(s8) = G_IMPLICIT_DEF
     ; CHECK: %ptr:_(p0) = COPY $x0
     ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<16 x s8>) = G_BUILD_VECTOR [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8)
     ; CHECK: [[BUILD_VECTOR1:%[0-9]+]]:_(<16 x s8>) = G_BUILD_VECTOR [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8)
     ; CHECK: G_STORE [[BUILD_VECTOR]](<16 x s8>), %ptr(p0) :: (store 16, align 32)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR1]](<16 x s8>), [[PTR_ADD]](p0) :: (store 16 into undef + 16)
+    ; CHECK: G_STORE [[BUILD_VECTOR1]](<16 x s8>), [[PTR_ADD]](p0) :: (store 16 into unknown-address + 16)
     ; CHECK: RET_ReallyLR
     %val:_(<32 x s8>) = G_IMPLICIT_DEF
     %ptr:_(p0) = COPY $x0
     G_STORE %val(<32 x s8>), %ptr(p0) :: (store 32)
     RET_ReallyLR
 ...
 ---
 name:            store_16xs16
 alignment:       4
 tracksRegLiveness: true
 machineFunctionInfo: {}
 body:             |
   bb.1:
     liveins: $x0
     ; CHECK-LABEL: name: store_16xs16
     ; CHECK: liveins: $x0
     ; CHECK: [[DEF:%[0-9]+]]:_(s16) = G_IMPLICIT_DEF
     ; CHECK: %ptr:_(p0) = COPY $x0
     ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<8 x s16>) = G_BUILD_VECTOR [[DEF]](s16), [[DEF]](s16), [[DEF]](s16), [[DEF]](s16), [[DEF]](s16), [[DEF]](s16), [[DEF]](s16), [[DEF]](s16)
     ; CHECK: [[BUILD_VECTOR1:%[0-9]+]]:_(<8 x s16>) = G_BUILD_VECTOR [[DEF]](s16), [[DEF]](s16), [[DEF]](s16), [[DEF]](s16), [[DEF]](s16), [[DEF]](s16), [[DEF]](s16), [[DEF]](s16)
     ; CHECK: G_STORE [[BUILD_VECTOR]](<8 x s16>), %ptr(p0) :: (store 16, align 32)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR1]](<8 x s16>), [[PTR_ADD]](p0) :: (store 16 into undef + 16)
+    ; CHECK: G_STORE [[BUILD_VECTOR1]](<8 x s16>), [[PTR_ADD]](p0) :: (store 16 into unknown-address + 16)
     ; CHECK: RET_ReallyLR
     %val:_(<16 x s16>) = G_IMPLICIT_DEF
     %ptr:_(p0) = COPY $x0
     G_STORE %val(<16 x s16>), %ptr(p0) :: (store 32)
     RET_ReallyLR
 ...
 ---
 name:            store_8xs32
 alignment:       4
 tracksRegLiveness: true
 machineFunctionInfo: {}
 body:             |
   bb.1:
     liveins: $x0
     ; CHECK-LABEL: name: store_8xs32
     ; CHECK: liveins: $x0
     ; CHECK: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
     ; CHECK: %ptr:_(p0) = COPY $x0
     ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[DEF]](s32), [[DEF]](s32), [[DEF]](s32), [[DEF]](s32)
     ; CHECK: [[BUILD_VECTOR1:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[DEF]](s32), [[DEF]](s32), [[DEF]](s32), [[DEF]](s32)
     ; CHECK: G_STORE [[BUILD_VECTOR]](<4 x s32>), %ptr(p0) :: (store 16, align 32)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR1]](<4 x s32>), [[PTR_ADD]](p0) :: (store 16 into undef + 16)
+    ; CHECK: G_STORE [[BUILD_VECTOR1]](<4 x s32>), [[PTR_ADD]](p0) :: (store 16 into unknown-address + 16)
     ; CHECK: RET_ReallyLR
     %val:_(<8 x s32>) = G_IMPLICIT_DEF
     %ptr:_(p0) = COPY $x0
     G_STORE %val(<8 x s32>), %ptr(p0) :: (store 32)
     RET_ReallyLR
 ...
 ---
 name:            store_4xs64
 alignment:       4
 tracksRegLiveness: true
 machineFunctionInfo: {}
 body:             |
   bb.1:
     liveins: $x0
     ; CHECK-LABEL: name: store_4xs64
     ; CHECK: liveins: $x0
     ; CHECK: [[DEF:%[0-9]+]]:_(<2 x s64>) = G_IMPLICIT_DEF
     ; CHECK: %ptr:_(p0) = COPY $x0
     ; CHECK: G_STORE [[DEF]](<2 x s64>), %ptr(p0) :: (store 16, align 32)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: G_STORE [[DEF]](<2 x s64>), [[PTR_ADD]](p0) :: (store 16 into undef + 16)
+    ; CHECK: G_STORE [[DEF]](<2 x s64>), [[PTR_ADD]](p0) :: (store 16 into unknown-address + 16)
     ; CHECK: RET_ReallyLR
     %val:_(<4 x s64>) = G_IMPLICIT_DEF
     %ptr:_(p0) = COPY $x0
     G_STORE %val(<4 x s64>), %ptr(p0) :: (store 32)
     RET_ReallyLR
 ...
 ---
 name:            load_32xs8
 alignment:       4
 tracksRegLiveness: true
 machineFunctionInfo: {}
 body:             |
   bb.1:
     liveins: $x0
     ; CHECK-LABEL: name: load_32xs8
     ; CHECK: liveins: $x0
     ; CHECK: %ptr:_(p0) = COPY $x0
     ; CHECK: [[LOAD:%[0-9]+]]:_(<16 x s8>) = G_LOAD %ptr(p0) :: (load 16, align 32)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s8>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s8>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; CHECK: G_STORE [[LOAD]](<16 x s8>), %ptr(p0) :: (store 16, align 32)
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: G_STORE [[LOAD1]](<16 x s8>), [[PTR_ADD1]](p0) :: (store 16 into undef + 16)
+    ; CHECK: G_STORE [[LOAD1]](<16 x s8>), [[PTR_ADD1]](p0) :: (store 16 into unknown-address + 16)
     ; CHECK: RET_ReallyLR
     %ptr:_(p0) = COPY $x0
     %val:_(<32 x s8>) = G_LOAD %ptr(p0) :: (load 32)
     G_STORE %val(<32 x s8>), %ptr(p0) :: (store 32)
     RET_ReallyLR
 ...
 ---
 name:            load_16xs16
 alignment:       4
 tracksRegLiveness: true
 machineFunctionInfo: {}
 body:             |
   bb.1:
     liveins: $x0
     ; CHECK-LABEL: name: load_16xs16
     ; CHECK: liveins: $x0
     ; CHECK: %ptr:_(p0) = COPY $x0
     ; CHECK: [[LOAD:%[0-9]+]]:_(<8 x s16>) = G_LOAD %ptr(p0) :: (load 16, align 32)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:_(<8 x s16>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(<8 x s16>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; CHECK: G_STORE [[LOAD]](<8 x s16>), %ptr(p0) :: (store 16, align 32)
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: G_STORE [[LOAD1]](<8 x s16>), [[PTR_ADD1]](p0) :: (store 16 into undef + 16)
+    ; CHECK: G_STORE [[LOAD1]](<8 x s16>), [[PTR_ADD1]](p0) :: (store 16 into unknown-address + 16)
     ; CHECK: RET_ReallyLR
     %ptr:_(p0) = COPY $x0
     %val:_(<16 x s16>) = G_LOAD %ptr(p0) :: (load 32)
     G_STORE %val(<16 x s16>), %ptr(p0) :: (store 32)
     RET_ReallyLR
 ...
 ---
 name:            load_8xs32
 alignment:       4
 tracksRegLiveness: true
 machineFunctionInfo: {}
 body:             |
   bb.1:
     liveins: $x0
     ; CHECK-LABEL: name: load_8xs32
     ; CHECK: liveins: $x0
     ; CHECK: %ptr:_(p0) = COPY $x0
     ; CHECK: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD %ptr(p0) :: (load 16, align 32)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; CHECK: G_STORE [[LOAD]](<4 x s32>), %ptr(p0) :: (store 16, align 32)
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: G_STORE [[LOAD1]](<4 x s32>), [[PTR_ADD1]](p0) :: (store 16 into undef + 16)
+    ; CHECK: G_STORE [[LOAD1]](<4 x s32>), [[PTR_ADD1]](p0) :: (store 16 into unknown-address + 16)
     ; CHECK: RET_ReallyLR
     %ptr:_(p0) = COPY $x0
     %val:_(<8 x s32>) = G_LOAD %ptr(p0) :: (load 32)
     G_STORE %val(<8 x s32>), %ptr(p0) :: (store 32)
     RET_ReallyLR
 ...
 ---
 name:            load_4xs64
 alignment:       4
 tracksRegLiveness: true
 machineFunctionInfo: {}
 body:             |
   bb.1:
     liveins: $x0
     ; CHECK-LABEL: name: load_4xs64
     ; CHECK: liveins: $x0
     ; CHECK: %ptr:_(p0) = COPY $x0
     ; CHECK: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD %ptr(p0) :: (load 16, align 32)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; CHECK: G_STORE [[LOAD]](<2 x s64>), %ptr(p0) :: (store 16, align 32)
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD %ptr, [[C]](s64)
-    ; CHECK: G_STORE [[LOAD1]](<2 x s64>), [[PTR_ADD1]](p0) :: (store 16 into undef + 16)
+    ; CHECK: G_STORE [[LOAD1]](<2 x s64>), [[PTR_ADD1]](p0) :: (store 16 into unknown-address + 16)
     ; CHECK: RET_ReallyLR
     %ptr:_(p0) = COPY $x0
     %val:_(<4 x s64>) = G_LOAD %ptr(p0) :: (load 32)
     G_STORE %val(<4 x s64>), %ptr(p0) :: (store 32)
     RET_ReallyLR

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-extract-vector-elt.mir

body: |
   bb.0:
     liveins: $sgpr0_sgpr1
 
     ; CHECK-LABEL: name: extract_vector_elt_7_v64s32
     ; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $sgpr0_sgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[COPY]](p1) :: (load 64, align 4, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from undef + 64, align 4, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from unknown-address + 64, align 4, addrspace 4)
     ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 128
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from undef + 128, align 4, addrspace 4)
+    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from unknown-address + 128, align 4, addrspace 4)
     ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 192
     ; CHECK: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from undef + 192, align 4, addrspace 4)
+    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from unknown-address + 192, align 4, addrspace 4)
     ; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[LOAD]](<16 x s32>), 224
     ; CHECK: S_ENDPGM 0, implicit [[EXTRACT]](s32)
     %0:_(p1) = COPY $sgpr0_sgpr1
     %1:_(s32) = G_CONSTANT i32 7
     %2:_(<64 x s32>) = G_LOAD %0 :: (load 256, align 4, addrspace 4)
     %3:_(s32) = G_EXTRACT_VECTOR_ELT %2, %1
     S_ENDPGM 0, implicit %3
 ...
 
 ---
 name: extract_vector_elt_33_v64s32
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1
 
     ; CHECK-LABEL: name: extract_vector_elt_33_v64s32
     ; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $sgpr0_sgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[COPY]](p1) :: (load 64, align 4, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from undef + 64, align 4, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from unknown-address + 64, align 4, addrspace 4)
     ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 128
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from undef + 128, align 4, addrspace 4)
+    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from unknown-address + 128, align 4, addrspace 4)
     ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 192
     ; CHECK: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from undef + 192, align 4, addrspace 4)
+    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from unknown-address + 192, align 4, addrspace 4)
     ; CHECK: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[LOAD2]](<16 x s32>), 32
     ; CHECK: S_ENDPGM 0, implicit [[EXTRACT]](s32)
     %0:_(p1) = COPY $sgpr0_sgpr1
     %1:_(s32) = G_CONSTANT i32 33
     %2:_(<64 x s32>) = G_LOAD %0 :: (load 256, align 4, addrspace 4)
     %3:_(s32) = G_EXTRACT_VECTOR_ELT %2, %1
     S_ENDPGM 0, implicit %3
 ...
bb.0:
     liveins: $sgpr0_sgpr1
 
     ; CHECK-LABEL: name: extract_vector_elt_33_v64p3
     ; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $sgpr0_sgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[COPY]](p1) :: (load 64, align 4, addrspace 4)
     ; CHECK: [[BITCAST:%[0-9]+]]:_(<16 x p3>) = G_BITCAST [[LOAD]](<16 x s32>)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from undef + 64, align 4, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from unknown-address + 64, align 4, addrspace 4)
     ; CHECK: [[BITCAST1:%[0-9]+]]:_(<16 x p3>) = G_BITCAST [[LOAD1]](<16 x s32>)
     ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 128
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from undef + 128, align 4, addrspace 4)
+    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from unknown-address + 128, align 4, addrspace 4)
     ; CHECK: [[BITCAST2:%[0-9]+]]:_(<16 x p3>) = G_BITCAST [[LOAD2]](<16 x s32>)
     ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 192
     ; CHECK: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from undef + 192, align 4, addrspace 4)
+    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from unknown-address + 192, align 4, addrspace 4)
     ; CHECK: [[BITCAST3:%[0-9]+]]:_(<16 x p3>) = G_BITCAST [[LOAD3]](<16 x s32>)
     ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p5) = G_FRAME_INDEX %stack.0
     ; CHECK: [[UV:%[0-9]+]]:_(p3), [[UV1:%[0-9]+]]:_(p3), [[UV2:%[0-9]+]]:_(p3), [[UV3:%[0-9]+]]:_(p3), [[UV4:%[0-9]+]]:_(p3), [[UV5:%[0-9]+]]:_(p3), [[UV6:%[0-9]+]]:_(p3), [[UV7:%[0-9]+]]:_(p3), [[UV8:%[0-9]+]]:_(p3), [[UV9:%[0-9]+]]:_(p3), [[UV10:%[0-9]+]]:_(p3), [[UV11:%[0-9]+]]:_(p3), [[UV12:%[0-9]+]]:_(p3), [[UV13:%[0-9]+]]:_(p3), [[UV14:%[0-9]+]]:_(p3), [[UV15:%[0-9]+]]:_(p3) = G_UNMERGE_VALUES [[BITCAST]](<16 x p3>)
     ; CHECK: [[UV16:%[0-9]+]]:_(p3), [[UV17:%[0-9]+]]:_(p3), [[UV18:%[0-9]+]]:_(p3), [[UV19:%[0-9]+]]:_(p3), [[UV20:%[0-9]+]]:_(p3), [[UV21:%[0-9]+]]:_(p3), [[UV22:%[0-9]+]]:_(p3), [[UV23:%[0-9]+]]:_(p3), [[UV24:%[0-9]+]]:_(p3), [[UV25:%[0-9]+]]:_(p3), [[UV26:%[0-9]+]]:_(p3), [[UV27:%[0-9]+]]:_(p3), [[UV28:%[0-9]+]]:_(p3), [[UV29:%[0-9]+]]:_(p3), [[UV30:%[0-9]+]]:_(p3), [[UV31:%[0-9]+]]:_(p3) = G_UNMERGE_VALUES [[BITCAST1]](<16 x p3>)
     ; CHECK: [[UV32:%[0-9]+]]:_(p3), [[UV33:%[0-9]+]]:_(p3), [[UV34:%[0-9]+]]:_(p3), [[UV35:%[0-9]+]]:_(p3), [[UV36:%[0-9]+]]:_(p3), [[UV37:%[0-9]+]]:_(p3), [[UV38:%[0-9]+]]:_(p3), [[UV39:%[0-9]+]]:_(p3), [[UV40:%[0-9]+]]:_(p3), [[UV41:%[0-9]+]]:_(p3), [[UV42:%[0-9]+]]:_(p3), [[UV43:%[0-9]+]]:_(p3), [[UV44:%[0-9]+]]:_(p3), [[UV45:%[0-9]+]]:_(p3), [[UV46:%[0-9]+]]:_(p3), [[UV47:%[0-9]+]]:_(p3) = G_UNMERGE_VALUES [[BITCAST2]](<16 x p3>)
     ; CHECK: [[UV48:%[0-9]+]]:_(p3), [[UV49:%[0-9]+]]:_(p3), [[UV50:%[0-9]+]]:_(p3), [[UV51:%[0-9]+]]:_(p3), [[UV52:%[0-9]+]]:_(p3), [[UV53:%[0-9]+]]:_(p3), [[UV54:%[0-9]+]]:_(p3), [[UV55:%[0-9]+]]:_(p3), [[UV56:%[0-9]+]]:_(p3), [[UV57:%[0-9]+]]:_(p3), [[UV58:%[0-9]+]]:_(p3), [[UV59:%[0-9]+]]:_(p3), [[UV60:%[0-9]+]]:_(p3), [[UV61:%[0-9]+]]:_(p3), [[UV62:%[0-9]+]]:_(p3), [[UV63:%[0-9]+]]:_(p3) = G_UNMERGE_VALUES [[BITCAST3]](<16 x p3>)
     ; CHECK: G_STORE [[UV]](p3), [[FRAME_INDEX]](p5) :: (store 4 into %stack.0, align 256, addrspace 5)
     ; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
bb.0:
     liveins: $sgpr0_sgpr1, $sgpr2
 
     ; CHECK-LABEL: name: extract_vector_elt_varidx_v64s32
     ; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $sgpr0_sgpr1
     ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $sgpr2
     ; CHECK: [[LOAD:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[COPY]](p1) :: (load 64, align 4, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from undef + 64, align 4, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from unknown-address + 64, align 4, addrspace 4)
     ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 128
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from undef + 128, align 4, addrspace 4)
+    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from unknown-address + 128, align 4, addrspace 4)
     ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 192
     ; CHECK: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from undef + 192, align 4, addrspace 4)
+    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from unknown-address + 192, align 4, addrspace 4)
     ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p5) = G_FRAME_INDEX %stack.0
     ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32), [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32), [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32), [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32), [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32), [[UV12:%[0-9]+]]:_(s32), [[UV13:%[0-9]+]]:_(s32), [[UV14:%[0-9]+]]:_(s32), [[UV15:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD]](<16 x s32>)
     ; CHECK: [[UV16:%[0-9]+]]:_(s32), [[UV17:%[0-9]+]]:_(s32), [[UV18:%[0-9]+]]:_(s32), [[UV19:%[0-9]+]]:_(s32), [[UV20:%[0-9]+]]:_(s32), [[UV21:%[0-9]+]]:_(s32), [[UV22:%[0-9]+]]:_(s32), [[UV23:%[0-9]+]]:_(s32), [[UV24:%[0-9]+]]:_(s32), [[UV25:%[0-9]+]]:_(s32), [[UV26:%[0-9]+]]:_(s32), [[UV27:%[0-9]+]]:_(s32), [[UV28:%[0-9]+]]:_(s32), [[UV29:%[0-9]+]]:_(s32), [[UV30:%[0-9]+]]:_(s32), [[UV31:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD1]](<16 x s32>)
     ; CHECK: [[UV32:%[0-9]+]]:_(s32), [[UV33:%[0-9]+]]:_(s32), [[UV34:%[0-9]+]]:_(s32), [[UV35:%[0-9]+]]:_(s32), [[UV36:%[0-9]+]]:_(s32), [[UV37:%[0-9]+]]:_(s32), [[UV38:%[0-9]+]]:_(s32), [[UV39:%[0-9]+]]:_(s32), [[UV40:%[0-9]+]]:_(s32), [[UV41:%[0-9]+]]:_(s32), [[UV42:%[0-9]+]]:_(s32), [[UV43:%[0-9]+]]:_(s32), [[UV44:%[0-9]+]]:_(s32), [[UV45:%[0-9]+]]:_(s32), [[UV46:%[0-9]+]]:_(s32), [[UV47:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD2]](<16 x s32>)
     ; CHECK: [[UV48:%[0-9]+]]:_(s32), [[UV49:%[0-9]+]]:_(s32), [[UV50:%[0-9]+]]:_(s32), [[UV51:%[0-9]+]]:_(s32), [[UV52:%[0-9]+]]:_(s32), [[UV53:%[0-9]+]]:_(s32), [[UV54:%[0-9]+]]:_(s32), [[UV55:%[0-9]+]]:_(s32), [[UV56:%[0-9]+]]:_(s32), [[UV57:%[0-9]+]]:_(s32), [[UV58:%[0-9]+]]:_(s32), [[UV59:%[0-9]+]]:_(s32), [[UV60:%[0-9]+]]:_(s32), [[UV61:%[0-9]+]]:_(s32), [[UV62:%[0-9]+]]:_(s32), [[UV63:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD3]](<16 x s32>)
     ; CHECK: G_STORE [[UV]](s32), [[FRAME_INDEX]](p5) :: (store 4 into %stack.0, align 256, addrspace 5)
     ; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CHECK: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[FRAME_INDEX]], [[C3]](s32)

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-insert-vector-elt.mir

bb.0:
     ; CHECK: [[COPY2:%[0-9]+]]:_(p1) = COPY $vgpr2_vgpr3
     ; CHECK: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>), [[UV2:%[0-9]+]]:_(<4 x s32>), [[UV3:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[DEF]](<16 x s32>)
     ; CHECK: [[UV4:%[0-9]+]]:_(<4 x s32>), [[UV5:%[0-9]+]]:_(<4 x s32>), [[UV6:%[0-9]+]]:_(<4 x s32>), [[UV7:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[DEF]](<16 x s32>)
     ; CHECK: [[UV8:%[0-9]+]]:_(<4 x s32>), [[UV9:%[0-9]+]]:_(<4 x s32>), [[UV10:%[0-9]+]]:_(<4 x s32>), [[UV11:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[DEF]](<16 x s32>)
     ; CHECK: [[UV12:%[0-9]+]]:_(<4 x s32>), [[UV13:%[0-9]+]]:_(<4 x s32>), [[UV14:%[0-9]+]]:_(<4 x s32>), [[UV15:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[DEF]](<16 x s32>)
     ; CHECK: G_STORE [[UV]](<4 x s32>), [[COPY1]](p1) :: (store 16, align 4, addrspace 1)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C]](s64)
-    ; CHECK: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C1]](s64)
-    ; CHECK: G_STORE [[UV2]](<4 x s32>), [[PTR_ADD1]](p1) :: (store 16 into undef + 32, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV2]](<4 x s32>), [[PTR_ADD1]](p1) :: (store 16 into unknown-address + 32, align 4, addrspace 1)
     ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 48
     ; CHECK: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C2]](s64)
-    ; CHECK: G_STORE [[UV3]](<4 x s32>), [[PTR_ADD2]](p1) :: (store 16 into undef + 48, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV3]](<4 x s32>), [[PTR_ADD2]](p1) :: (store 16 into unknown-address + 48, align 4, addrspace 1)
     ; CHECK: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
     ; CHECK: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C3]](s64)
-    ; CHECK: G_STORE [[UV4]](<4 x s32>), [[PTR_ADD3]](p1) :: (store 16 into undef + 64, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV4]](<4 x s32>), [[PTR_ADD3]](p1) :: (store 16 into unknown-address + 64, align 4, addrspace 1)
     ; CHECK: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 80
     ; CHECK: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C4]](s64)
-    ; CHECK: G_STORE [[UV5]](<4 x s32>), [[PTR_ADD4]](p1) :: (store 16 into undef + 80, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV5]](<4 x s32>), [[PTR_ADD4]](p1) :: (store 16 into unknown-address + 80, align 4, addrspace 1)
     ; CHECK: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 96
     ; CHECK: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C5]](s64)
-    ; CHECK: G_STORE [[UV6]](<4 x s32>), [[PTR_ADD5]](p1) :: (store 16 into undef + 96, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV6]](<4 x s32>), [[PTR_ADD5]](p1) :: (store 16 into unknown-address + 96, align 4, addrspace 1)
     ; CHECK: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 112
     ; CHECK: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C6]](s64)
-    ; CHECK: G_STORE [[UV7]](<4 x s32>), [[PTR_ADD6]](p1) :: (store 16 into undef + 112, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV7]](<4 x s32>), [[PTR_ADD6]](p1) :: (store 16 into unknown-address + 112, align 4, addrspace 1)
     ; CHECK: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 128
     ; CHECK: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C7]](s64)
-    ; CHECK: G_STORE [[UV8]](<4 x s32>), [[PTR_ADD7]](p1) :: (store 16 into undef + 128, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV8]](<4 x s32>), [[PTR_ADD7]](p1) :: (store 16 into unknown-address + 128, align 4, addrspace 1)
     ; CHECK: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 144
     ; CHECK: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C8]](s64)
-    ; CHECK: G_STORE [[UV9]](<4 x s32>), [[PTR_ADD8]](p1) :: (store 16 into undef + 144, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV9]](<4 x s32>), [[PTR_ADD8]](p1) :: (store 16 into unknown-address + 144, align 4, addrspace 1)
     ; CHECK: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 160
     ; CHECK: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C9]](s64)
-    ; CHECK: G_STORE [[UV10]](<4 x s32>), [[PTR_ADD9]](p1) :: (store 16 into undef + 160, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV10]](<4 x s32>), [[PTR_ADD9]](p1) :: (store 16 into unknown-address + 160, align 4, addrspace 1)
     ; CHECK: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 176
     ; CHECK: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C10]](s64)
-    ; CHECK: G_STORE [[UV11]](<4 x s32>), [[PTR_ADD10]](p1) :: (store 16 into undef + 176, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV11]](<4 x s32>), [[PTR_ADD10]](p1) :: (store 16 into unknown-address + 176, align 4, addrspace 1)
     ; CHECK: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 192
     ; CHECK: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C11]](s64)
-    ; CHECK: G_STORE [[UV12]](<4 x s32>), [[PTR_ADD11]](p1) :: (store 16 into undef + 192, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV12]](<4 x s32>), [[PTR_ADD11]](p1) :: (store 16 into unknown-address + 192, align 4, addrspace 1)
     ; CHECK: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 208
     ; CHECK: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C12]](s64)
-    ; CHECK: G_STORE [[UV13]](<4 x s32>), [[PTR_ADD12]](p1) :: (store 16 into undef + 208, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV13]](<4 x s32>), [[PTR_ADD12]](p1) :: (store 16 into unknown-address + 208, align 4, addrspace 1)
     ; CHECK: [[C13:%[0-9]+]]:_(s64) = G_CONSTANT i64 224
     ; CHECK: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C13]](s64)
-    ; CHECK: G_STORE [[UV14]](<4 x s32>), [[PTR_ADD13]](p1) :: (store 16 into undef + 224, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV14]](<4 x s32>), [[PTR_ADD13]](p1) :: (store 16 into unknown-address + 224, align 4, addrspace 1)
     ; CHECK: [[C14:%[0-9]+]]:_(s64) = G_CONSTANT i64 240
     ; CHECK: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C14]](s64)
-    ; CHECK: G_STORE [[UV15]](<4 x s32>), [[PTR_ADD14]](p1) :: (store 16 into undef + 240, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV15]](<4 x s32>), [[PTR_ADD14]](p1) :: (store 16 into unknown-address + 240, align 4, addrspace 1)
     ; CHECK: [[UV16:%[0-9]+]]:_(<4 x s32>), [[UV17:%[0-9]+]]:_(<4 x s32>), [[UV18:%[0-9]+]]:_(<4 x s32>), [[UV19:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[DEF]](<16 x s32>)
     ; CHECK: [[UV20:%[0-9]+]]:_(<4 x s32>), [[UV21:%[0-9]+]]:_(<4 x s32>), [[UV22:%[0-9]+]]:_(<4 x s32>), [[UV23:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[DEF]](<16 x s32>)
     ; CHECK: [[UV24:%[0-9]+]]:_(<4 x s32>), [[UV25:%[0-9]+]]:_(<4 x s32>), [[UV26:%[0-9]+]]:_(<4 x s32>), [[UV27:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[DEF]](<16 x s32>)
     ; CHECK: [[UV28:%[0-9]+]]:_(<4 x s32>), [[UV29:%[0-9]+]]:_(<4 x s32>), [[UV30:%[0-9]+]]:_(<4 x s32>), [[UV31:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[DEF]](<16 x s32>)
     ; CHECK: G_STORE [[UV16]](<4 x s32>), [[COPY2]](p1) :: (store 16, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C]](s64)
-    ; CHECK: G_STORE [[UV17]](<4 x s32>), [[PTR_ADD15]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV17]](<4 x s32>), [[PTR_ADD15]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C1]](s64)
-    ; CHECK: G_STORE [[UV18]](<4 x s32>), [[PTR_ADD16]](p1) :: (store 16 into undef + 32, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV18]](<4 x s32>), [[PTR_ADD16]](p1) :: (store 16 into unknown-address + 32, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C2]](s64)
-    ; CHECK: G_STORE [[UV19]](<4 x s32>), [[PTR_ADD17]](p1) :: (store 16 into undef + 48, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV19]](<4 x s32>), [[PTR_ADD17]](p1) :: (store 16 into unknown-address + 48, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C3]](s64)
-    ; CHECK: G_STORE [[UV20]](<4 x s32>), [[PTR_ADD18]](p1) :: (store 16 into undef + 64, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV20]](<4 x s32>), [[PTR_ADD18]](p1) :: (store 16 into unknown-address + 64, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C4]](s64)
-    ; CHECK: G_STORE [[UV21]](<4 x s32>), [[PTR_ADD19]](p1) :: (store 16 into undef + 80, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV21]](<4 x s32>), [[PTR_ADD19]](p1) :: (store 16 into unknown-address + 80, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C5]](s64)
-    ; CHECK: G_STORE [[UV22]](<4 x s32>), [[PTR_ADD20]](p1) :: (store 16 into undef + 96, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV22]](<4 x s32>), [[PTR_ADD20]](p1) :: (store 16 into unknown-address + 96, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C6]](s64)
-    ; CHECK: G_STORE [[UV23]](<4 x s32>), [[PTR_ADD21]](p1) :: (store 16 into undef + 112, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV23]](<4 x s32>), [[PTR_ADD21]](p1) :: (store 16 into unknown-address + 112, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C7]](s64)
-    ; CHECK: G_STORE [[UV24]](<4 x s32>), [[PTR_ADD22]](p1) :: (store 16 into undef + 128, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV24]](<4 x s32>), [[PTR_ADD22]](p1) :: (store 16 into unknown-address + 128, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C8]](s64)
-    ; CHECK: G_STORE [[UV25]](<4 x s32>), [[PTR_ADD23]](p1) :: (store 16 into undef + 144, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV25]](<4 x s32>), [[PTR_ADD23]](p1) :: (store 16 into unknown-address + 144, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C9]](s64)
-    ; CHECK: G_STORE [[UV26]](<4 x s32>), [[PTR_ADD24]](p1) :: (store 16 into undef + 160, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV26]](<4 x s32>), [[PTR_ADD24]](p1) :: (store 16 into unknown-address + 160, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C10]](s64)
-    ; CHECK: G_STORE [[UV27]](<4 x s32>), [[PTR_ADD25]](p1) :: (store 16 into undef + 176, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV27]](<4 x s32>), [[PTR_ADD25]](p1) :: (store 16 into unknown-address + 176, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C11]](s64)
-    ; CHECK: G_STORE [[UV28]](<4 x s32>), [[PTR_ADD26]](p1) :: (store 16 into undef + 192, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV28]](<4 x s32>), [[PTR_ADD26]](p1) :: (store 16 into unknown-address + 192, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C12]](s64)
-    ; CHECK: G_STORE [[UV29]](<4 x s32>), [[PTR_ADD27]](p1) :: (store 16 into undef + 208, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV29]](<4 x s32>), [[PTR_ADD27]](p1) :: (store 16 into unknown-address + 208, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C13]](s64)
-    ; CHECK: G_STORE [[UV30]](<4 x s32>), [[PTR_ADD28]](p1) :: (store 16 into undef + 224, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV30]](<4 x s32>), [[PTR_ADD28]](p1) :: (store 16 into unknown-address + 224, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY2]], [[C14]](s64)
-    ; CHECK: G_STORE [[UV31]](<4 x s32>), [[PTR_ADD29]](p1) :: (store 16 into undef + 240, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV31]](<4 x s32>), [[PTR_ADD29]](p1) :: (store 16 into unknown-address + 240, align 4, addrspace 1)
     %0:_(p1) = COPY $sgpr0_sgpr1
     %1:_(s32) = G_CONSTANT i32 64
     %2:_(<64 x s32>) = G_LOAD %0 :: (load 256, align 4, addrspace 4)
     %3:_(s32) = G_CONSTANT i32 12345
     %4:_(<64 x s32>) = G_INSERT_VECTOR_ELT %2, %3, %1
     %5:_(s32) = G_CONSTANT i32 65
     %6:_(<64 x s32>) = G_INSERT_VECTOR_ELT %2, %3, %5
     %7:_(p1) = COPY $vgpr0_vgpr1
body: |
   bb.0:
     liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
 
     ; CHECK-LABEL: name: insert_vector_elt_33_v64s32
     ; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $sgpr0_sgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[COPY]](p1) :: (load 64, align 4, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from undef + 64, align 4, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from unknown-address + 64, align 4, addrspace 4)
     ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 128
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from undef + 128, align 4, addrspace 4)
+    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from unknown-address + 128, align 4, addrspace 4)
     ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 192
     ; CHECK: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from undef + 192, align 4, addrspace 4)
+    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from unknown-address + 192, align 4, addrspace 4)
     ; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 12345
     ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<32 x s32>) = G_CONCAT_VECTORS [[LOAD2]](<16 x s32>), [[LOAD3]](<16 x s32>)
     ; CHECK: [[INSERT:%[0-9]+]]:_(<32 x s32>) = G_INSERT [[CONCAT_VECTORS]], [[C3]](s32), 32
     ; CHECK: [[COPY1:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CHECK: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>), [[UV2:%[0-9]+]]:_(<4 x s32>), [[UV3:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[LOAD]](<16 x s32>)
     ; CHECK: [[UV4:%[0-9]+]]:_(<4 x s32>), [[UV5:%[0-9]+]]:_(<4 x s32>), [[UV6:%[0-9]+]]:_(<4 x s32>), [[UV7:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[LOAD1]](<16 x s32>)
     ; CHECK: [[UV8:%[0-9]+]]:_(<4 x s32>), [[UV9:%[0-9]+]]:_(<4 x s32>), [[UV10:%[0-9]+]]:_(<4 x s32>), [[UV11:%[0-9]+]]:_(<4 x s32>), [[UV12:%[0-9]+]]:_(<4 x s32>), [[UV13:%[0-9]+]]:_(<4 x s32>), [[UV14:%[0-9]+]]:_(<4 x s32>), [[UV15:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[INSERT]](<32 x s32>)
     ; CHECK: G_STORE [[UV]](<4 x s32>), [[COPY1]](p1) :: (store 16, align 4, addrspace 1)
     ; CHECK: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C4]](s64)
-    ; CHECK: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD3]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD3]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; CHECK: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; CHECK: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C5]](s64)
-    ; CHECK: G_STORE [[UV2]](<4 x s32>), [[PTR_ADD4]](p1) :: (store 16 into undef + 32, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV2]](<4 x s32>), [[PTR_ADD4]](p1) :: (store 16 into unknown-address + 32, align 4, addrspace 1)
     ; CHECK: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 48
     ; CHECK: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C6]](s64)
-    ; CHECK: G_STORE [[UV3]](<4 x s32>), [[PTR_ADD5]](p1) :: (store 16 into undef + 48, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV3]](<4 x s32>), [[PTR_ADD5]](p1) :: (store 16 into unknown-address + 48, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C]](s64)
-    ; CHECK: G_STORE [[UV4]](<4 x s32>), [[PTR_ADD6]](p1) :: (store 16 into undef + 64, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV4]](<4 x s32>), [[PTR_ADD6]](p1) :: (store 16 into unknown-address + 64, align 4, addrspace 1)
     ; CHECK: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 80
     ; CHECK: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C7]](s64)
-    ; CHECK: G_STORE [[UV5]](<4 x s32>), [[PTR_ADD7]](p1) :: (store 16 into undef + 80, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV5]](<4 x s32>), [[PTR_ADD7]](p1) :: (store 16 into unknown-address + 80, align 4, addrspace 1)
     ; CHECK: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 96
     ; CHECK: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C8]](s64)
-    ; CHECK: G_STORE [[UV6]](<4 x s32>), [[PTR_ADD8]](p1) :: (store 16 into undef + 96, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV6]](<4 x s32>), [[PTR_ADD8]](p1) :: (store 16 into unknown-address + 96, align 4, addrspace 1)
     ; CHECK: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 112
     ; CHECK: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C9]](s64)
-    ; CHECK: G_STORE [[UV7]](<4 x s32>), [[PTR_ADD9]](p1) :: (store 16 into undef + 112, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV7]](<4 x s32>), [[PTR_ADD9]](p1) :: (store 16 into unknown-address + 112, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C1]](s64)
-    ; CHECK: G_STORE [[UV8]](<4 x s32>), [[PTR_ADD10]](p1) :: (store 16 into undef + 128, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV8]](<4 x s32>), [[PTR_ADD10]](p1) :: (store 16 into unknown-address + 128, align 4, addrspace 1)
     ; CHECK: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 144
     ; CHECK: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C10]](s64)
-    ; CHECK: G_STORE [[UV9]](<4 x s32>), [[PTR_ADD11]](p1) :: (store 16 into undef + 144, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV9]](<4 x s32>), [[PTR_ADD11]](p1) :: (store 16 into unknown-address + 144, align 4, addrspace 1)
     ; CHECK: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 160
     ; CHECK: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C11]](s64)
-    ; CHECK: G_STORE [[UV10]](<4 x s32>), [[PTR_ADD12]](p1) :: (store 16 into undef + 160, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV10]](<4 x s32>), [[PTR_ADD12]](p1) :: (store 16 into unknown-address + 160, align 4, addrspace 1)
     ; CHECK: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 176
     ; CHECK: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C12]](s64)
-    ; CHECK: G_STORE [[UV11]](<4 x s32>), [[PTR_ADD13]](p1) :: (store 16 into undef + 176, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV11]](<4 x s32>), [[PTR_ADD13]](p1) :: (store 16 into unknown-address + 176, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C2]](s64)
-    ; CHECK: G_STORE [[UV12]](<4 x s32>), [[PTR_ADD14]](p1) :: (store 16 into undef + 192, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV12]](<4 x s32>), [[PTR_ADD14]](p1) :: (store 16 into unknown-address + 192, align 4, addrspace 1)
     ; CHECK: [[C13:%[0-9]+]]:_(s64) = G_CONSTANT i64 208
     ; CHECK: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C13]](s64)
-    ; CHECK: G_STORE [[UV13]](<4 x s32>), [[PTR_ADD15]](p1) :: (store 16 into undef + 208, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV13]](<4 x s32>), [[PTR_ADD15]](p1) :: (store 16 into unknown-address + 208, align 4, addrspace 1)
     ; CHECK: [[C14:%[0-9]+]]:_(s64) = G_CONSTANT i64 224
     ; CHECK: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C14]](s64)
-    ; CHECK: G_STORE [[UV14]](<4 x s32>), [[PTR_ADD16]](p1) :: (store 16 into undef + 224, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV14]](<4 x s32>), [[PTR_ADD16]](p1) :: (store 16 into unknown-address + 224, align 4, addrspace 1)
     ; CHECK: [[C15:%[0-9]+]]:_(s64) = G_CONSTANT i64 240
     ; CHECK: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C15]](s64)
-    ; CHECK: G_STORE [[UV15]](<4 x s32>), [[PTR_ADD17]](p1) :: (store 16 into undef + 240, align 4, addrspace 1)
+    ; CHECK: G_STORE [[UV15]](<4 x s32>), [[PTR_ADD17]](p1) :: (store 16 into unknown-address + 240, align 4, addrspace 1)
     %0:_(p1) = COPY $sgpr0_sgpr1
     %1:_(s32) = G_CONSTANT i32 33
     %2:_(<64 x s32>) = G_LOAD %0 :: (load 256, align 4, addrspace 4)
     %3:_(s32) = G_CONSTANT i32 12345
     %4:_(<64 x s32>) = G_INSERT_VECTOR_ELT %2, %3, %1
     %5:_(p1) = COPY $vgpr0_vgpr1
     G_STORE %4, %5 :: (store 256, align 4, addrspace 1)
 ...
 
 ---
 name: insert_vector_elt_varidx_v64s32
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1, $sgpr2, $vgpr0_vgpr1
 
     ; CHECK-LABEL: name: insert_vector_elt_varidx_v64s32
     ; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $sgpr0_sgpr1
     ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $sgpr2
     ; CHECK: [[LOAD:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[COPY]](p1) :: (load 64, align 4, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 64
     ; CHECK: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from undef + 64, align 4, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 64 from unknown-address + 64, align 4, addrspace 4)
     ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 128
     ; CHECK: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from undef + 128, align 4, addrspace 4)
+    ; CHECK: [[LOAD2:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 64 from unknown-address + 128, align 4, addrspace 4)
     ; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 192
     ; CHECK: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from undef + 192, align 4, addrspace 4)
+    ; CHECK: [[LOAD3:%[0-9]+]]:_(<16 x s32>) = G_LOAD [[PTR_ADD2]](p1) :: (load 64 from unknown-address + 192, align 4, addrspace 4)
     ; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 12345
     ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p5) = G_FRAME_INDEX %stack.0
     ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32), [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32), [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32), [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32), [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32), [[UV12:%[0-9]+]]:_(s32), [[UV13:%[0-9]+]]:_(s32), [[UV14:%[0-9]+]]:_(s32), [[UV15:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD]](<16 x s32>)
     ; CHECK: [[UV16:%[0-9]+]]:_(s32), [[UV17:%[0-9]+]]:_(s32), [[UV18:%[0-9]+]]:_(s32), [[UV19:%[0-9]+]]:_(s32), [[UV20:%[0-9]+]]:_(s32), [[UV21:%[0-9]+]]:_(s32), [[UV22:%[0-9]+]]:_(s32), [[UV23:%[0-9]+]]:_(s32), [[UV24:%[0-9]+]]:_(s32), [[UV25:%[0-9]+]]:_(s32), [[UV26:%[0-9]+]]:_(s32), [[UV27:%[0-9]+]]:_(s32), [[UV28:%[0-9]+]]:_(s32), [[UV29:%[0-9]+]]:_(s32), [[UV30:%[0-9]+]]:_(s32), [[UV31:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD1]](<16 x s32>)
     ; CHECK: [[UV32:%[0-9]+]]:_(s32), [[UV33:%[0-9]+]]:_(s32), [[UV34:%[0-9]+]]:_(s32), [[UV35:%[0-9]+]]:_(s32), [[UV36:%[0-9]+]]:_(s32), [[UV37:%[0-9]+]]:_(s32), [[UV38:%[0-9]+]]:_(s32), [[UV39:%[0-9]+]]:_(s32), [[UV40:%[0-9]+]]:_(s32), [[UV41:%[0-9]+]]:_(s32), [[UV42:%[0-9]+]]:_(s32), [[UV43:%[0-9]+]]:_(s32), [[UV44:%[0-9]+]]:_(s32), [[UV45:%[0-9]+]]:_(s32), [[UV46:%[0-9]+]]:_(s32), [[UV47:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD2]](<16 x s32>)
     ; CHECK: [[UV48:%[0-9]+]]:_(s32), [[UV49:%[0-9]+]]:_(s32), [[UV50:%[0-9]+]]:_(s32), [[UV51:%[0-9]+]]:_(s32), [[UV52:%[0-9]+]]:_(s32), [[UV53:%[0-9]+]]:_(s32), [[UV54:%[0-9]+]]:_(s32), [[UV55:%[0-9]+]]:_(s32), [[UV56:%[0-9]+]]:_(s32), [[UV57:%[0-9]+]]:_(s32), [[UV58:%[0-9]+]]:_(s32), [[UV59:%[0-9]+]]:_(s32), [[UV60:%[0-9]+]]:_(s32), [[UV61:%[0-9]+]]:_(s32), [[UV62:%[0-9]+]]:_(s32), [[UV63:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD3]](<16 x s32>)
     ; CHECK: G_STORE [[UV]](s32), [[FRAME_INDEX]](p5) :: (store 4 into %stack.0, align 256, addrspace 5)
     ; CHECK: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
bb.0:
     ; CHECK: [[COPY64:%[0-9]+]]:_(p5) = COPY [[PTR_ADD65]](p5)
     ; CHECK: G_STORE [[UV63]](s32), [[COPY64]](p5) :: (store 4 into %stack.0 + 252, basealign 256, addrspace 5)
     ; CHECK: [[C67:%[0-9]+]]:_(s32) = G_CONSTANT i32 63
     ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C67]]
     ; CHECK: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[AND]], [[C4]]
     ; CHECK: [[PTR_ADD66:%[0-9]+]]:_(p5) = G_PTR_ADD [[FRAME_INDEX]], [[MUL]](s32)
     ; CHECK: G_STORE [[C3]](s32), [[PTR_ADD66]](p5) :: (store 4, addrspace 5)
     ; CHECK: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[FRAME_INDEX]](p5) :: (load 4, align 256, addrspace 5)
-    ; CHECK: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 4, addrspace 5)
-    ; CHECK: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
-    ; CHECK: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from undef + 12, addrspace 5)
-    ; CHECK: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from undef + 16, align 16, addrspace 5)
-    ; CHECK: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 4 from undef + 20, addrspace 5)
-    ; CHECK: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 4 from undef + 24, align 8, addrspace 5)
-    ; CHECK: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 4 from undef + 28, addrspace 5)
-    ; CHECK: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 4 from undef + 32, align 32, addrspace 5)
-    ; CHECK: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 4 from undef + 36, addrspace 5)
-    ; CHECK: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 4 from undef + 40, align 8, addrspace 5)
-    ; CHECK: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 4 from undef + 44, addrspace 5)
-    ; CHECK: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 4 from undef + 48, align 16, addrspace 5)
-    ; CHECK: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p5) :: (load 4 from undef + 52, addrspace 5)
-    ; CHECK: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p5) :: (load 4 from undef + 56, align 8, addrspace 5)
-    ; CHECK: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p5) :: (load 4 from undef + 60, addrspace 5)
-    ; CHECK: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p5) :: (load 4 from undef + 64, align 64, addrspace 5)
-    ; CHECK: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p5) :: (load 4 from undef + 68, addrspace 5)
-    ; CHECK: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p5) :: (load 4 from undef + 72, align 8, addrspace 5)
-    ; CHECK: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p5) :: (load 4 from undef + 76, addrspace 5)
-    ; CHECK: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p5) :: (load 4 from undef + 80, align 16, addrspace 5)
-    ; CHECK: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p5) :: (load 4 from undef + 84, addrspace 5)
-    ; CHECK: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p5) :: (load 4 from undef + 88, align 8, addrspace 5)
-    ; CHECK: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p5) :: (load 4 from undef + 92, addrspace 5)
-    ; CHECK: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p5) :: (load 4 from undef + 96, align 32, addrspace 5)
-    ; CHECK: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p5) :: (load 4 from undef + 100, addrspace 5)
-    ; CHECK: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p5) :: (load 4 from undef + 104, align 8, addrspace 5)
-    ; CHECK: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p5) :: (load 4 from undef + 108, addrspace 5)
-    ; CHECK: [[LOAD32:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p5) :: (load 4 from undef + 112, align 16, addrspace 5)
-    ; CHECK: [[LOAD33:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD31]](p5) :: (load 4 from undef + 116, addrspace 5)
-    ; CHECK: [[LOAD34:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD32]](p5) :: (load 4 from undef + 120, align 8, addrspace 5)
-    ; CHECK: [[LOAD35:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD33]](p5) :: (load 4 from undef + 124, addrspace 5)
-    ; CHECK: [[LOAD36:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD34]](p5) :: (load 4 from undef + 128, align 128, addrspace 5)
-    ; CHECK: [[LOAD37:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD35]](p5) :: (load 4 from undef + 132, addrspace 5)
-    ; CHECK: [[LOAD38:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD36]](p5) :: (load 4 from undef + 136, align 8, addrspace 5)
-    ; CHECK: [[LOAD39:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD37]](p5) :: (load 4 from undef + 140, addrspace 5)
-    ; CHECK: [[LOAD40:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD38]](p5) :: (load 4 from undef + 144, align 16, addrspace 5)
-    ; CHECK: [[LOAD41:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD39]](p5) :: (load 4 from undef + 148, addrspace 5)
-    ; CHECK: [[LOAD42:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD40]](p5) :: (load 4 from undef + 152, align 8, addrspace 5)
-    ; CHECK: [[LOAD43:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD41]](p5) :: (load 4 from undef + 156, addrspace 5)
-    ; CHECK: [[LOAD44:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD42]](p5) :: (load 4 from undef + 160, align 32, addrspace 5)
-    ; CHECK: [[LOAD45:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD43]](p5) :: (load 4 from undef + 164, addrspace 5)
-    ; CHECK: [[LOAD46:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD44]](p5) :: (load 4 from undef + 168, align 8, addrspace 5)
-    ; CHECK: [[LOAD47:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD45]](p5) :: (load 4 from undef + 172, addrspace 5)
-    ; CHECK: [[LOAD48:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD46]](p5) :: (load 4 from undef + 176, align 16, addrspace 5)
-    ; CHECK: [[LOAD49:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD47]](p5) :: (load 4 from undef + 180, addrspace 5)
-    ; CHECK: [[LOAD50:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD48]](p5) :: (load 4 from undef + 184, align 8, addrspace 5)
-    ; CHECK: [[LOAD51:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD49]](p5) :: (load 4 from undef + 188, addrspace 5)
-    ; CHECK: [[LOAD52:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD50]](p5) :: (load 4 from undef + 192, align 64, addrspace 5)
-    ; CHECK: [[LOAD53:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD51]](p5) :: (load 4 from undef + 196, addrspace 5)
-    ; CHECK: [[LOAD54:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD52]](p5) :: (load 4 from undef + 200, align 8, addrspace 5)
-    ; CHECK: [[LOAD55:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD53]](p5) :: (load 4 from undef + 204, addrspace 5)
-    ; CHECK: [[LOAD56:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD54]](p5) :: (load 4 from undef + 208, align 16, addrspace 5)
-    ; CHECK: [[LOAD57:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD55]](p5) :: (load 4 from undef + 212, addrspace 5)
-    ; CHECK: [[LOAD58:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD56]](p5) :: (load 4 from undef + 216, align 8, addrspace 5)
-    ; CHECK: [[LOAD59:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD57]](p5) :: (load 4 from undef + 220, addrspace 5)
-    ; CHECK: [[LOAD60:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD58]](p5) :: (load 4 from undef + 224, align 32, addrspace 5)
-    ; CHECK: [[LOAD61:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD59]](p5) :: (load 4 from undef + 228, addrspace 5)
-    ; CHECK: [[LOAD62:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD60]](p5) :: (load 4 from undef + 232, align 8, addrspace 5)
-    ; CHECK: [[LOAD63:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD61]](p5) :: (load 4 from undef + 236, addrspace 5)
-    ; CHECK: [[LOAD64:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD62]](p5) :: (load 4 from undef + 240, align 16, addrspace 5)
-    ; CHECK: [[LOAD65:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD63]](p5) :: (load 4 from undef + 244, addrspace 5)
-    ; CHECK: [[LOAD66:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD64]](p5) :: (load 4 from undef + 248, align 8, addrspace 5)
-    ; CHECK: [[LOAD67:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD65]](p5) :: (load 4 from undef + 252, addrspace 5)
+    ; CHECK: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
+    ; CHECK: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
+    ; CHECK: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
+    ; CHECK: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from unknown-address + 16, align 16, addrspace 5)
+    ; CHECK: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
+    ; CHECK: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 4 from unknown-address + 24, align 8, addrspace 5)
+    ; CHECK: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 4 from unknown-address + 28, addrspace 5)
+    ; CHECK: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 4 from unknown-address + 32, align 32, addrspace 5)
+    ; CHECK: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 4 from unknown-address + 36, addrspace 5)
+    ; CHECK: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 4 from unknown-address + 40, align 8, addrspace 5)
+    ; CHECK: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 4 from unknown-address + 44, addrspace 5)
+    ; CHECK: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 4 from unknown-address + 48, align 16, addrspace 5)
+    ; CHECK: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p5) :: (load 4 from unknown-address + 52, addrspace 5)
+    ; CHECK: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p5) :: (load 4 from unknown-address + 56, align 8, addrspace 5)
+    ; CHECK: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p5) :: (load 4 from unknown-address + 60, addrspace 5)
+    ; CHECK: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p5) :: (load 4 from unknown-address + 64, align 64, addrspace 5)
+    ; CHECK: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p5) :: (load 4 from unknown-address + 68, addrspace 5)
+    ; CHECK: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p5) :: (load 4 from unknown-address + 72, align 8, addrspace 5)
+    ; CHECK: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p5) :: (load 4 from unknown-address + 76, addrspace 5)
+    ; CHECK: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p5) :: (load 4 from unknown-address + 80, align 16, addrspace 5)
+    ; CHECK: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p5) :: (load 4 from unknown-address + 84, addrspace 5)
+    ; CHECK: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p5) :: (load 4 from unknown-address + 88, align 8, addrspace 5)
+    ; CHECK: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p5) :: (load 4 from unknown-address + 92, addrspace 5)
+    ; CHECK: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p5) :: (load 4 from unknown-address + 96, align 32, addrspace 5)
+    ; CHECK: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p5) :: (load 4 from unknown-address + 100, addrspace 5)
+    ; CHECK: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p5) :: (load 4 from unknown-address + 104, align 8, addrspace 5)
+    ; CHECK: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p5) :: (load 4 from unknown-address + 108, addrspace 5)
+    ; CHECK: [[LOAD32:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p5) :: (load 4 from unknown-address + 112, align 16, addrspace 5)
+    ; CHECK: [[LOAD33:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD31]](p5) :: (load 4 from unknown-address + 116, addrspace 5)
+    ; CHECK: [[LOAD34:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD32]](p5) :: (load 4 from unknown-address + 120, align 8, addrspace 5)
+    ; CHECK: [[LOAD35:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD33]](p5) :: (load 4 from unknown-address + 124, addrspace 5)
+    ; CHECK: [[LOAD36:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD34]](p5) :: (load 4 from unknown-address + 128, align 128, addrspace 5)
+    ; CHECK: [[LOAD37:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD35]](p5) :: (load 4 from unknown-address + 132, addrspace 5)
+    ; CHECK: [[LOAD38:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD36]](p5) :: (load 4 from unknown-address + 136, align 8, addrspace 5)
+    ; CHECK: [[LOAD39:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD37]](p5) :: (load 4 from unknown-address + 140, addrspace 5)
+    ; CHECK: [[LOAD40:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD38]](p5) :: (load 4 from unknown-address + 144, align 16, addrspace 5)
+    ; CHECK: [[LOAD41:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD39]](p5) :: (load 4 from unknown-address + 148, addrspace 5)
+    ; CHECK: [[LOAD42:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD40]](p5) :: (load 4 from unknown-address + 152, align 8, addrspace 5)
+    ; CHECK: [[LOAD43:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD41]](p5) :: (load 4 from unknown-address + 156, addrspace 5)
+    ; CHECK: [[LOAD44:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD42]](p5) :: (load 4 from unknown-address + 160, align 32, addrspace 5)
+    ; CHECK: [[LOAD45:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD43]](p5) :: (load 4 from unknown-address + 164, addrspace 5)
+    ; CHECK: [[LOAD46:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD44]](p5) :: (load 4 from unknown-address + 168, align 8, addrspace 5)
+    ; CHECK: [[LOAD47:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD45]](p5) :: (load 4 from unknown-address + 172, addrspace 5)
+    ; CHECK: [[LOAD48:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD46]](p5) :: (load 4 from unknown-address + 176, align 16, addrspace 5)
+    ; CHECK: [[LOAD49:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD47]](p5) :: (load 4 from unknown-address + 180, addrspace 5)
+    ; CHECK: [[LOAD50:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD48]](p5) :: (load 4 from unknown-address + 184, align 8, addrspace 5)
+    ; CHECK: [[LOAD51:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD49]](p5) :: (load 4 from unknown-address + 188, addrspace 5)
+    ; CHECK: [[LOAD52:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD50]](p5) :: (load 4 from unknown-address + 192, align 64, addrspace 5)
+    ; CHECK: [[LOAD53:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD51]](p5) :: (load 4 from unknown-address + 196, addrspace 5)
+    ; CHECK: [[LOAD54:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD52]](p5) :: (load 4 from unknown-address + 200, align 8, addrspace 5)
+    ; CHECK: [[LOAD55:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD53]](p5) :: (load 4 from unknown-address + 204, addrspace 5)
+    ; CHECK: [[LOAD56:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD54]](p5) :: (load 4 from unknown-address + 208, align 16, addrspace 5)
+    ; CHECK: [[LOAD57:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD55]](p5) :: (load 4 from unknown-address + 212, addrspace 5)
+    ; CHECK: [[LOAD58:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD56]](p5) :: (load 4 from unknown-address + 216, align 8, addrspace 5)
+    ; CHECK: [[LOAD59:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD57]](p5) :: (load 4 from unknown-address + 220, addrspace 5)
+    ; CHECK: [[LOAD60:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD58]](p5) :: (load 4 from unknown-address + 224, align 32, addrspace 5)
+    ; CHECK: [[LOAD61:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD59]](p5) :: (load 4 from unknown-address + 228, addrspace 5)
+    ; CHECK: [[LOAD62:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD60]](p5) :: (load 4 from unknown-address + 232, align 8, addrspace 5)
+    ; CHECK: [[LOAD63:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD61]](p5) :: (load 4 from unknown-address + 236, addrspace 5)
+    ; CHECK: [[LOAD64:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD62]](p5) :: (load 4 from unknown-address + 240, align 16, addrspace 5)
+    ; CHECK: [[LOAD65:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD63]](p5) :: (load 4 from unknown-address + 244, addrspace 5)
+    ; CHECK: [[LOAD66:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD64]](p5) :: (load 4 from unknown-address + 248, align 8, addrspace 5)
+    ; CHECK: [[LOAD67:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD65]](p5) :: (load 4 from unknown-address + 252, addrspace 5)
     ; CHECK: [[COPY65:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD4]](s32), [[LOAD5]](s32), [[LOAD6]](s32), [[LOAD7]](s32)
     ; CHECK: [[BUILD_VECTOR1:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD8]](s32), [[LOAD9]](s32), [[LOAD10]](s32), [[LOAD11]](s32)
     ; CHECK: [[BUILD_VECTOR2:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD12]](s32), [[LOAD13]](s32), [[LOAD14]](s32), [[LOAD15]](s32)
     ; CHECK: [[BUILD_VECTOR3:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD16]](s32), [[LOAD17]](s32), [[LOAD18]](s32), [[LOAD19]](s32)
     ; CHECK: [[BUILD_VECTOR4:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD20]](s32), [[LOAD21]](s32), [[LOAD22]](s32), [[LOAD23]](s32)
     ; CHECK: [[BUILD_VECTOR5:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD24]](s32), [[LOAD25]](s32), [[LOAD26]](s32), [[LOAD27]](s32)
     ; CHECK: [[BUILD_VECTOR6:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD28]](s32), [[LOAD29]](s32), [[LOAD30]](s32), [[LOAD31]](s32)
     ; CHECK: [[BUILD_VECTOR7:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD32]](s32), [[LOAD33]](s32), [[LOAD34]](s32), [[LOAD35]](s32)
     ; CHECK: [[BUILD_VECTOR8:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD36]](s32), [[LOAD37]](s32), [[LOAD38]](s32), [[LOAD39]](s32)
     ; CHECK: [[BUILD_VECTOR9:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD40]](s32), [[LOAD41]](s32), [[LOAD42]](s32), [[LOAD43]](s32)
     ; CHECK: [[BUILD_VECTOR10:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD44]](s32), [[LOAD45]](s32), [[LOAD46]](s32), [[LOAD47]](s32)
     ; CHECK: [[BUILD_VECTOR11:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD48]](s32), [[LOAD49]](s32), [[LOAD50]](s32), [[LOAD51]](s32)
     ; CHECK: [[BUILD_VECTOR12:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD52]](s32), [[LOAD53]](s32), [[LOAD54]](s32), [[LOAD55]](s32)
     ; CHECK: [[BUILD_VECTOR13:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD56]](s32), [[LOAD57]](s32), [[LOAD58]](s32), [[LOAD59]](s32)
     ; CHECK: [[BUILD_VECTOR14:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD60]](s32), [[LOAD61]](s32), [[LOAD62]](s32), [[LOAD63]](s32)
     ; CHECK: [[BUILD_VECTOR15:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD64]](s32), [[LOAD65]](s32), [[LOAD66]](s32), [[LOAD67]](s32)
     ; CHECK: G_STORE [[BUILD_VECTOR]](<4 x s32>), [[COPY65]](p1) :: (store 16, align 4, addrspace 1)
     ; CHECK: [[C68:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD67:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C68]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR1]](<4 x s32>), [[PTR_ADD67]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR1]](<4 x s32>), [[PTR_ADD67]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; CHECK: [[C69:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; CHECK: [[PTR_ADD68:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C69]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR2]](<4 x s32>), [[PTR_ADD68]](p1) :: (store 16 into undef + 32, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR2]](<4 x s32>), [[PTR_ADD68]](p1) :: (store 16 into unknown-address + 32, align 4, addrspace 1)
     ; CHECK: [[C70:%[0-9]+]]:_(s64) = G_CONSTANT i64 48
     ; CHECK: [[PTR_ADD69:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C70]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR3]](<4 x s32>), [[PTR_ADD69]](p1) :: (store 16 into undef + 48, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR3]](<4 x s32>), [[PTR_ADD69]](p1) :: (store 16 into unknown-address + 48, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD70:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR4]](<4 x s32>), [[PTR_ADD70]](p1) :: (store 16 into undef + 64, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR4]](<4 x s32>), [[PTR_ADD70]](p1) :: (store 16 into unknown-address + 64, align 4, addrspace 1)
     ; CHECK: [[C71:%[0-9]+]]:_(s64) = G_CONSTANT i64 80
     ; CHECK: [[PTR_ADD71:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C71]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR5]](<4 x s32>), [[PTR_ADD71]](p1) :: (store 16 into undef + 80, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR5]](<4 x s32>), [[PTR_ADD71]](p1) :: (store 16 into unknown-address + 80, align 4, addrspace 1)
     ; CHECK: [[C72:%[0-9]+]]:_(s64) = G_CONSTANT i64 96
     ; CHECK: [[PTR_ADD72:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C72]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR6]](<4 x s32>), [[PTR_ADD72]](p1) :: (store 16 into undef + 96, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR6]](<4 x s32>), [[PTR_ADD72]](p1) :: (store 16 into unknown-address + 96, align 4, addrspace 1)
     ; CHECK: [[C73:%[0-9]+]]:_(s64) = G_CONSTANT i64 112
     ; CHECK: [[PTR_ADD73:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C73]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR7]](<4 x s32>), [[PTR_ADD73]](p1) :: (store 16 into undef + 112, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR7]](<4 x s32>), [[PTR_ADD73]](p1) :: (store 16 into unknown-address + 112, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD74:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C1]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR8]](<4 x s32>), [[PTR_ADD74]](p1) :: (store 16 into undef + 128, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR8]](<4 x s32>), [[PTR_ADD74]](p1) :: (store 16 into unknown-address + 128, align 4, addrspace 1)
     ; CHECK: [[C74:%[0-9]+]]:_(s64) = G_CONSTANT i64 144
     ; CHECK: [[PTR_ADD75:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C74]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR9]](<4 x s32>), [[PTR_ADD75]](p1) :: (store 16 into undef + 144, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR9]](<4 x s32>), [[PTR_ADD75]](p1) :: (store 16 into unknown-address + 144, align 4, addrspace 1)
     ; CHECK: [[C75:%[0-9]+]]:_(s64) = G_CONSTANT i64 160
     ; CHECK: [[PTR_ADD76:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C75]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR10]](<4 x s32>), [[PTR_ADD76]](p1) :: (store 16 into undef + 160, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR10]](<4 x s32>), [[PTR_ADD76]](p1) :: (store 16 into unknown-address + 160, align 4, addrspace 1)
     ; CHECK: [[C76:%[0-9]+]]:_(s64) = G_CONSTANT i64 176
     ; CHECK: [[PTR_ADD77:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C76]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR11]](<4 x s32>), [[PTR_ADD77]](p1) :: (store 16 into undef + 176, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR11]](<4 x s32>), [[PTR_ADD77]](p1) :: (store 16 into unknown-address + 176, align 4, addrspace 1)
     ; CHECK: [[PTR_ADD78:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C2]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR12]](<4 x s32>), [[PTR_ADD78]](p1) :: (store 16 into undef + 192, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR12]](<4 x s32>), [[PTR_ADD78]](p1) :: (store 16 into unknown-address + 192, align 4, addrspace 1)
     ; CHECK: [[C77:%[0-9]+]]:_(s64) = G_CONSTANT i64 208
     ; CHECK: [[PTR_ADD79:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C77]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR13]](<4 x s32>), [[PTR_ADD79]](p1) :: (store 16 into undef + 208, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR13]](<4 x s32>), [[PTR_ADD79]](p1) :: (store 16 into unknown-address + 208, align 4, addrspace 1)
     ; CHECK: [[C78:%[0-9]+]]:_(s64) = G_CONSTANT i64 224
     ; CHECK: [[PTR_ADD80:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C78]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR14]](<4 x s32>), [[PTR_ADD80]](p1) :: (store 16 into undef + 224, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR14]](<4 x s32>), [[PTR_ADD80]](p1) :: (store 16 into unknown-address + 224, align 4, addrspace 1)
     ; CHECK: [[C79:%[0-9]+]]:_(s64) = G_CONSTANT i64 240
     ; CHECK: [[PTR_ADD81:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY65]], [[C79]](s64)
-    ; CHECK: G_STORE [[BUILD_VECTOR15]](<4 x s32>), [[PTR_ADD81]](p1) :: (store 16 into undef + 240, align 4, addrspace 1)
+    ; CHECK: G_STORE [[BUILD_VECTOR15]](<4 x s32>), [[PTR_ADD81]](p1) :: (store 16 into unknown-address + 240, align 4, addrspace 1)
     %0:_(p1) = COPY $sgpr0_sgpr1
     %1:_(s32) = COPY $sgpr2
     %2:_(<64 x s32>) = G_LOAD %0 :: (load 256, align 4, addrspace 4)
     %3:_(s32) = G_CONSTANT i32 12345
     %4:_(<64 x s32>) = G_INSERT_VECTOR_ELT %2, %3, %1
     %5:_(p1) = COPY $vgpr0_vgpr1
     G_STORE %4, %5 :: (store 256, align 4, addrspace 1)
 ...

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-load-constant-32bit.mir

 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=bonaire -O0 -run-pass=legalizer -global-isel-abort=0  %s -o - | FileCheck -check-prefix=CI %s
 
 ---
 name: test_load_constant32bit_s32_align1
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; CI-LABEL: name: test_load_constant32bit_s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p6) = COPY $vgpr0
     ; CI: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[MV]](p4) :: (load 1, addrspace 6)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C1]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 6)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 6)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C2]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 6)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 6)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C3]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 6)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 6)
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C4]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C4]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C5]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-load-constant.mir

body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; CI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_constant_s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-LABEL: name: test_load_constant_s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: $vgpr0 = COPY [[OR]](s32)
     ; VI-LABEL: name: test_load_constant_s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: $vgpr0 = COPY [[OR]](s32)
     ; GFX9-LABEL: name: test_load_constant_s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: $vgpr0 = COPY [[OR2]](s32)
     ; VI-LABEL: name: test_load_constant_s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: $vgpr0 = COPY [[OR2]](s32)
     ; GFX9-LABEL: name: test_load_constant_s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s24_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 2, align 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 2, align 2, addrspace 4)
     ; CI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; CI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; CI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_constant_s24_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 2, align 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 2, align 2, addrspace 4)
     ; VI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-LABEL: name: test_load_constant_s24_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 2, align 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 2, align 2, addrspace 4)
     ; GFX9: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; GFX9: $vgpr0 = COPY [[ANYEXT]](s32)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(s24) = G_LOAD %0 :: (load 3, align 2, addrspace 4)
     %2:_(s32) = G_ANYEXT %1
     $vgpr0 = COPY %2
 ...
 
 ---
 name: test_load_constant_s24_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s24_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p4) :: (load 2, align 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; CI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; CI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_constant_s24_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p4) :: (load 2, align 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-LABEL: name: test_load_constant_s24_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p4) :: (load 2, align 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; GFX9: $vgpr0 = COPY [[ANYEXT]](s32)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(s24) = G_LOAD %0 :: (load 3, align 1, addrspace 4)
     %2:_(s32) = G_ANYEXT %1
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s64_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; VI-LABEL: name: test_load_constant_s64_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; GFX9-LABEL: name: test_load_constant_s64_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; VI-LABEL: name: test_load_constant_s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; GFX9-LABEL: name: test_load_constant_s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s96_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from undef + 8, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from unknown-address + 8, addrspace 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from undef + 10, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from unknown-address + 10, addrspace 4)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_constant_s96_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from undef + 8, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from unknown-address + 8, addrspace 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from undef + 10, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from unknown-address + 10, addrspace 4)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-LABEL: name: test_load_constant_s96_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from undef + 8, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from unknown-address + 8, addrspace 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from undef + 10, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from unknown-address + 10, addrspace 4)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s96_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; CI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_constant_s96_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-LABEL: name: test_load_constant_s96_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; GFX9: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s160_align4
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p4) :: (load 16, align 4, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 4 from undef + 16, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 4 from unknown-address + 16, addrspace 4)
     ; CI: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; CI: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; CI: S_NOP 0, implicit [[BITCAST]](s160)
     ; VI-LABEL: name: test_load_constant_s160_align4
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p4) :: (load 16, align 4, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 4 from undef + 16, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 4 from unknown-address + 16, addrspace 4)
     ; VI: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; VI: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; VI: S_NOP 0, implicit [[BITCAST]](s160)
     ; GFX9-LABEL: name: test_load_constant_s160_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p4) :: (load 16, align 4, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 4 from undef + 16, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 4 from unknown-address + 16, addrspace 4)
     ; GFX9: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; GFX9: S_NOP 0, implicit [[BITCAST]](s160)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(s160) = G_LOAD %0 :: (load 20, align 4, addrspace 4)
     S_NOP 0, implicit %1
 ...
 
 ---
 name: test_load_constant_s224_align4
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s224_align4
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p4) :: (load 16, align 4, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from undef + 16, align 4, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from unknown-address + 16, align 4, addrspace 4)
     ; CI: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; CI: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; CI: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; CI: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     ; VI-LABEL: name: test_load_constant_s224_align4
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p4) :: (load 16, align 4, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from undef + 16, align 4, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from unknown-address + 16, align 4, addrspace 4)
     ; VI: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; VI: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; VI: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; VI: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     ; GFX9-LABEL: name: test_load_constant_s224_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p4) :: (load 16, align 4, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from undef + 16, align 4, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from unknown-address + 16, align 4, addrspace 4)
     ; GFX9: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; GFX9: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     %0:_(p4) = COPY $vgpr0_vgpr1
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_s128_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; VI-LABEL: name: test_load_constant_s128_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; GFX9-LABEL: name: test_load_constant_s128_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_p1_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; VI-LABEL: name: test_load_constant_p1_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; GFX9-LABEL: name: test_load_constant_p1_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_p4_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](p4)
     ; VI-LABEL: name: test_load_constant_p4_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](p4)
     ; GFX9-LABEL: name: test_load_constant_p4_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_p4_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](p4)
     ; VI-LABEL: name: test_load_constant_p4_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](p4)
     ; GFX9-LABEL: name: test_load_constant_p4_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_p5_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR]](s32)
     ; CI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; VI-LABEL: name: test_load_constant_p5_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR]](s32)
     ; VI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; GFX9-LABEL: name: test_load_constant_p5_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_p5_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR2]](s32)
     ; CI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; VI-LABEL: name: test_load_constant_p5_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR2]](s32)
     ; VI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; GFX9-LABEL: name: test_load_constant_p5_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v2s8_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; CI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_constant_v2s8_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-LABEL: name: test_load_constant_v2s8_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v4s8_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; CI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C1]](s32)
     ; CI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C2]](s32)
     ; CI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C3]](s32)
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; CI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; VI-LABEL: name: test_load_constant_v4s8_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C1]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C2]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C3]](s32)
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; VI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; GFX9-LABEL: name: test_load_constant_v4s8_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; GFX9: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C1]](s32)
     ; GFX9: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C2]](s32)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v4s8_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; CI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; VI-LABEL: name: test_load_constant_v4s8_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; VI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; GFX9-LABEL: name: test_load_constant_v4s8_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[CONCAT_VECTORS]](<4 x s16>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v2s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; VI-LABEL: name: test_load_constant_v2s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; GFX9-LABEL: name: test_load_constant_v2s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(<2 x s16>) = G_LOAD %0 :: (load 4, align 2, addrspace 4)
     $vgpr0 = COPY %1
 ...
 
 ---
 name: test_load_constant_v2s16_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v2s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; VI-LABEL: name: test_load_constant_v2s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; GFX9-LABEL: name: test_load_constant_v2s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v3s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; CI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST]](<2 x s16>), 0
     ; CI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; CI: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; CI: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; CI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; CI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; CI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; VI-LABEL: name: test_load_constant_v3s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; VI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST]](<2 x s16>), 0
     ; VI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; VI: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; VI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; VI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; VI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_constant_v3s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; GFX9: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; GFX9: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BUILD_VECTOR_TRUNC]](<2 x s16>), 0
     ; GFX9: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v3s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; CI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
bb.0:
     ; CI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; CI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; CI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; VI-LABEL: name: test_load_constant_v3s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; VI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
bb.0:
     ; VI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; VI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; VI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_constant_v3s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT]](s32), [[ANYEXT1]](s32)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; GFX9: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; GFX9: [[OR2:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v4s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; VI-LABEL: name: test_load_constant_v4s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_constant_v4s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(<4 x s16>) = G_LOAD %0 :: (load 8, align 2, addrspace 4)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_constant_v4s16_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v4s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; CI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[COPY6]](s32)
     ; CI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[SHL4]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[TRUNC7]]
     ; CI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C5]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; VI-LABEL: name: test_load_constant_v4s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; VI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; VI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; VI: [[SHL4:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; VI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C4]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_constant_v4s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT]](s32), [[ANYEXT1]](s32)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; GFX9: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; GFX9: [[OR2:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; GFX9: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; GFX9: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL3]]
     ; GFX9: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[OR2]](s16)
     ; GFX9: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[OR3]](s16)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v2s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; VI-LABEL: name: test_load_constant_v2s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; GFX9-LABEL: name: test_load_constant_v2s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(<2 x s32>) = G_LOAD %0 :: (load 8, align 2, addrspace 4)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_constant_v2s32_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v2s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; VI-LABEL: name: test_load_constant_v2s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; GFX9-LABEL: name: test_load_constant_v2s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v2s64_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from undef + 8, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from unknown-address + 8, addrspace 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from undef + 10, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from unknown-address + 10, addrspace 4)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from undef + 12, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from unknown-address + 12, addrspace 4)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from undef + 14, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from unknown-address + 14, addrspace 4)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR3]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; VI-LABEL: name: test_load_constant_v2s64_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from undef + 8, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from unknown-address + 8, addrspace 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from undef + 10, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from unknown-address + 10, addrspace 4)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from undef + 12, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from unknown-address + 12, addrspace 4)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from undef + 14, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from unknown-address + 14, addrspace 4)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR3]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; GFX9-LABEL: name: test_load_constant_v2s64_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from undef + 8, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from unknown-address + 8, addrspace 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from undef + 10, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from unknown-address + 10, addrspace 4)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from undef + 12, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from unknown-address + 12, addrspace 4)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from undef + 14, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from unknown-address + 14, addrspace 4)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v2s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; CI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; CI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; CI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; VI-LABEL: name: test_load_constant_v2s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; GFX9-LABEL: name: test_load_constant_v2s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; GFX9: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; GFX9: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; GFX9: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; GFX9: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; GFX9: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; GFX9: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v3s64_align8
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p4) :: (load 16, align 8, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p4) :: (load 8 from undef + 16, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p4) :: (load 8 from unknown-address + 16, addrspace 4)
     ; CI: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; CI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; CI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; VI-LABEL: name: test_load_constant_v3s64_align8
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p4) :: (load 16, align 8, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p4) :: (load 8 from undef + 16, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p4) :: (load 8 from unknown-address + 16, addrspace 4)
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_constant_v3s64_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p4) :: (load 16, align 8, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p4) :: (load 8 from undef + 16, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p4) :: (load 8 from unknown-address + 16, addrspace 4)
     ; GFX9: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; GFX9: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(<3 x s64>) = G_LOAD %0 :: (load 24, align 8, addrspace 4)
     %2:_(<4 x s64>) = G_IMPLICIT_DEF
     %3:_(<4 x s64>) = G_INSERT %2, %1, 0
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %3
 ...
 
 ---
 name: test_load_constant_v3s64_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v3s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; CI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; CI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; CI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; CI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C10]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD15:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from undef + 16, addrspace 4)
+    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from unknown-address + 16, addrspace 4)
     ; CI: [[PTR_ADD16:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from undef + 17, addrspace 4)
+    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from unknown-address + 17, addrspace 4)
     ; CI: [[PTR_ADD17:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from undef + 18, addrspace 4)
+    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from unknown-address + 18, addrspace 4)
     ; CI: [[PTR_ADD18:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from undef + 19, addrspace 4)
+    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from unknown-address + 19, addrspace 4)
     ; CI: [[PTR_ADD19:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from undef + 20, addrspace 4)
+    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from unknown-address + 20, addrspace 4)
     ; CI: [[PTR_ADD20:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from undef + 21, addrspace 4)
+    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from unknown-address + 21, addrspace 4)
     ; CI: [[PTR_ADD21:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from undef + 22, addrspace 4)
+    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from unknown-address + 22, addrspace 4)
     ; CI: [[PTR_ADD22:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from undef + 23, addrspace 4)
+    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from unknown-address + 23, addrspace 4)
     ; CI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; CI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; CI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C9]]
     ; CI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[COPY16]](s32)
     ; CI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[SHL12]](s32)
     ; CI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[TRUNC17]]
bb.0:
     ; CI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; CI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; VI-LABEL: name: test_load_constant_v3s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; VI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; VI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from undef + 16, addrspace 4)
+    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from unknown-address + 16, addrspace 4)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from undef + 17, addrspace 4)
+    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from unknown-address + 17, addrspace 4)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from undef + 18, addrspace 4)
+    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from unknown-address + 18, addrspace 4)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from undef + 19, addrspace 4)
+    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from unknown-address + 19, addrspace 4)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from undef + 20, addrspace 4)
+    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from unknown-address + 20, addrspace 4)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from undef + 21, addrspace 4)
+    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from unknown-address + 21, addrspace 4)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from undef + 22, addrspace 4)
+    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from unknown-address + 22, addrspace 4)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from undef + 23, addrspace 4)
+    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from unknown-address + 23, addrspace 4)
     ; VI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; VI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; VI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; VI: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; VI: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; VI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; VI: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; VI: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
bb.0:
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_constant_v3s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; GFX9: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; GFX9: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; GFX9: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; GFX9: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; GFX9: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; GFX9: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; GFX9: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; GFX9: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; GFX9: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; GFX9: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; GFX9: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; GFX9: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD15:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from undef + 16, addrspace 4)
+    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from unknown-address + 16, addrspace 4)
     ; GFX9: [[PTR_ADD16:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from undef + 17, addrspace 4)
+    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from unknown-address + 17, addrspace 4)
     ; GFX9: [[PTR_ADD17:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from undef + 18, addrspace 4)
+    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from unknown-address + 18, addrspace 4)
     ; GFX9: [[PTR_ADD18:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from undef + 19, addrspace 4)
+    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from unknown-address + 19, addrspace 4)
     ; GFX9: [[PTR_ADD19:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from undef + 20, addrspace 4)
+    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from unknown-address + 20, addrspace 4)
     ; GFX9: [[PTR_ADD20:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from undef + 21, addrspace 4)
+    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from unknown-address + 21, addrspace 4)
     ; GFX9: [[PTR_ADD21:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from undef + 22, addrspace 4)
+    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from unknown-address + 22, addrspace 4)
     ; GFX9: [[PTR_ADD22:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from undef + 23, addrspace 4)
+    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from unknown-address + 23, addrspace 4)
     ; GFX9: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; GFX9: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; GFX9: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; GFX9: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; GFX9: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; GFX9: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; GFX9: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; GFX9: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v4s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; CI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; CI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; CI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL10]]
     ; CI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; CI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C10]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; CI: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD15:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from undef + 16, addrspace 4)
+    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from unknown-address + 16, addrspace 4)
     ; CI: [[PTR_ADD16:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from undef + 17, addrspace 4)
+    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from unknown-address + 17, addrspace 4)
     ; CI: [[PTR_ADD17:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from undef + 18, addrspace 4)
+    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from unknown-address + 18, addrspace 4)
     ; CI: [[PTR_ADD18:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from undef + 19, addrspace 4)
+    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from unknown-address + 19, addrspace 4)
     ; CI: [[PTR_ADD19:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from undef + 20, addrspace 4)
+    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from unknown-address + 20, addrspace 4)
     ; CI: [[PTR_ADD20:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from undef + 21, addrspace 4)
+    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from unknown-address + 21, addrspace 4)
     ; CI: [[PTR_ADD21:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from undef + 22, addrspace 4)
+    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from unknown-address + 22, addrspace 4)
     ; CI: [[PTR_ADD22:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from undef + 23, addrspace 4)
+    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from unknown-address + 23, addrspace 4)
     ; CI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; CI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; CI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C9]]
     ; CI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[COPY16]](s32)
     ; CI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[SHL12]](s32)
     ; CI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[TRUNC17]]
bb.0:
     ; CI: [[OR16:%[0-9]+]]:_(s32) = G_OR [[ZEXT8]], [[SHL16]]
     ; CI: [[ZEXT10:%[0-9]+]]:_(s32) = G_ZEXT [[OR14]](s16)
     ; CI: [[ZEXT11:%[0-9]+]]:_(s32) = G_ZEXT [[OR15]](s16)
     ; CI: [[SHL17:%[0-9]+]]:_(s32) = G_SHL [[ZEXT11]], [[C10]](s32)
     ; CI: [[OR17:%[0-9]+]]:_(s32) = G_OR [[ZEXT10]], [[SHL17]]
     ; CI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR16]](s32), [[OR17]](s32)
     ; CI: [[C13:%[0-9]+]]:_(s64) = G_CONSTANT i64 24
     ; CI: [[PTR_ADD23:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C13]](s64)
-    ; CI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p4) :: (load 1 from undef + 24, addrspace 4)
+    ; CI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p4) :: (load 1 from unknown-address + 24, addrspace 4)
     ; CI: [[PTR_ADD24:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C]](s64)
-    ; CI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p4) :: (load 1 from undef + 25, addrspace 4)
+    ; CI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p4) :: (load 1 from unknown-address + 25, addrspace 4)
     ; CI: [[PTR_ADD25:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C1]](s64)
-    ; CI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p4) :: (load 1 from undef + 26, addrspace 4)
+    ; CI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p4) :: (load 1 from unknown-address + 26, addrspace 4)
     ; CI: [[PTR_ADD26:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C2]](s64)
-    ; CI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p4) :: (load 1 from undef + 27, addrspace 4)
+    ; CI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p4) :: (load 1 from unknown-address + 27, addrspace 4)
     ; CI: [[PTR_ADD27:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
-    ; CI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p4) :: (load 1 from undef + 28, addrspace 4)
+    ; CI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p4) :: (load 1 from unknown-address + 28, addrspace 4)
     ; CI: [[PTR_ADD28:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
-    ; CI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p4) :: (load 1 from undef + 29, addrspace 4)
+    ; CI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p4) :: (load 1 from unknown-address + 29, addrspace 4)
     ; CI: [[PTR_ADD29:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
-    ; CI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p4) :: (load 1 from undef + 30, addrspace 4)
+    ; CI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p4) :: (load 1 from unknown-address + 30, addrspace 4)
     ; CI: [[PTR_ADD30:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C6]](s64)
-    ; CI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p4) :: (load 1 from undef + 31, addrspace 4)
+    ; CI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p4) :: (load 1 from unknown-address + 31, addrspace 4)
     ; CI: [[TRUNC24:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD24]](s32)
     ; CI: [[AND24:%[0-9]+]]:_(s16) = G_AND [[TRUNC24]], [[C7]]
     ; CI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LOAD25]](s32)
     ; CI: [[AND25:%[0-9]+]]:_(s32) = G_AND [[COPY25]], [[C9]]
     ; CI: [[SHL18:%[0-9]+]]:_(s32) = G_SHL [[AND25]], [[COPY24]](s32)
     ; CI: [[TRUNC25:%[0-9]+]]:_(s16) = G_TRUNC [[SHL18]](s32)
     ; CI: [[OR18:%[0-9]+]]:_(s16) = G_OR [[AND24]], [[TRUNC25]]
bb.0:
     ; CI: [[MV3:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR22]](s32), [[OR23]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64), [[MV3]](s64)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BUILD_VECTOR]](<4 x s64>)
     ; VI-LABEL: name: test_load_constant_v4s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL10]]
     ; VI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; VI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; VI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from undef + 16, addrspace 4)
+    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from unknown-address + 16, addrspace 4)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from undef + 17, addrspace 4)
+    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from unknown-address + 17, addrspace 4)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from undef + 18, addrspace 4)
+    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from unknown-address + 18, addrspace 4)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from undef + 19, addrspace 4)
+    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from unknown-address + 19, addrspace 4)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from undef + 20, addrspace 4)
+    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from unknown-address + 20, addrspace 4)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from undef + 21, addrspace 4)
+    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from unknown-address + 21, addrspace 4)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from undef + 22, addrspace 4)
+    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from unknown-address + 22, addrspace 4)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from undef + 23, addrspace 4)
+    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from unknown-address + 23, addrspace 4)
     ; VI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; VI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; VI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; VI: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; VI: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; VI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; VI: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; VI: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
bb.0:
     ; VI: [[OR16:%[0-9]+]]:_(s32) = G_OR [[ZEXT8]], [[SHL16]]
     ; VI: [[ZEXT10:%[0-9]+]]:_(s32) = G_ZEXT [[OR14]](s16)
     ; VI: [[ZEXT11:%[0-9]+]]:_(s32) = G_ZEXT [[OR15]](s16)
     ; VI: [[SHL17:%[0-9]+]]:_(s32) = G_SHL [[ZEXT11]], [[C9]](s32)
     ; VI: [[OR17:%[0-9]+]]:_(s32) = G_OR [[ZEXT10]], [[SHL17]]
     ; VI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR16]](s32), [[OR17]](s32)
     ; VI: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 24
     ; VI: [[PTR_ADD23:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; VI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p4) :: (load 1 from undef + 24, addrspace 4)
+    ; VI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p4) :: (load 1 from unknown-address + 24, addrspace 4)
     ; VI: [[PTR_ADD24:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C]](s64)
-    ; VI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p4) :: (load 1 from undef + 25, addrspace 4)
+    ; VI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p4) :: (load 1 from unknown-address + 25, addrspace 4)
     ; VI: [[PTR_ADD25:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C1]](s64)
-    ; VI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p4) :: (load 1 from undef + 26, addrspace 4)
+    ; VI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p4) :: (load 1 from unknown-address + 26, addrspace 4)
     ; VI: [[PTR_ADD26:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C2]](s64)
-    ; VI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p4) :: (load 1 from undef + 27, addrspace 4)
+    ; VI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p4) :: (load 1 from unknown-address + 27, addrspace 4)
     ; VI: [[PTR_ADD27:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
-    ; VI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p4) :: (load 1 from undef + 28, addrspace 4)
+    ; VI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p4) :: (load 1 from unknown-address + 28, addrspace 4)
     ; VI: [[PTR_ADD28:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
-    ; VI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p4) :: (load 1 from undef + 29, addrspace 4)
+    ; VI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p4) :: (load 1 from unknown-address + 29, addrspace 4)
     ; VI: [[PTR_ADD29:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
-    ; VI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p4) :: (load 1 from undef + 30, addrspace 4)
+    ; VI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p4) :: (load 1 from unknown-address + 30, addrspace 4)
     ; VI: [[PTR_ADD30:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C6]](s64)
-    ; VI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p4) :: (load 1 from undef + 31, addrspace 4)
+    ; VI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p4) :: (load 1 from unknown-address + 31, addrspace 4)
     ; VI: [[TRUNC24:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD24]](s32)
     ; VI: [[AND24:%[0-9]+]]:_(s16) = G_AND [[TRUNC24]], [[C7]]
     ; VI: [[TRUNC25:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD25]](s32)
     ; VI: [[AND25:%[0-9]+]]:_(s16) = G_AND [[TRUNC25]], [[C7]]
     ; VI: [[SHL18:%[0-9]+]]:_(s16) = G_SHL [[AND25]], [[C8]](s16)
     ; VI: [[OR18:%[0-9]+]]:_(s16) = G_OR [[AND24]], [[SHL18]]
     ; VI: [[TRUNC26:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD26]](s32)
     ; VI: [[AND26:%[0-9]+]]:_(s16) = G_AND [[TRUNC26]], [[C7]]
bb.0:
     ; VI: [[MV3:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR22]](s32), [[OR23]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64), [[MV3]](s64)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BUILD_VECTOR]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_constant_v4s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; GFX9: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; GFX9: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; GFX9: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; GFX9: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; GFX9: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; GFX9: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; GFX9: [[OR10:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL10]]
     ; GFX9: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; GFX9: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; GFX9: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; GFX9: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; GFX9: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; GFX9: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD15:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from undef + 16, addrspace 4)
+    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from unknown-address + 16, addrspace 4)
     ; GFX9: [[PTR_ADD16:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from undef + 17, addrspace 4)
+    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from unknown-address + 17, addrspace 4)
     ; GFX9: [[PTR_ADD17:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from undef + 18, addrspace 4)
+    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from unknown-address + 18, addrspace 4)
     ; GFX9: [[PTR_ADD18:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from undef + 19, addrspace 4)
+    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from unknown-address + 19, addrspace 4)
     ; GFX9: [[PTR_ADD19:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from undef + 20, addrspace 4)
+    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from unknown-address + 20, addrspace 4)
     ; GFX9: [[PTR_ADD20:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from undef + 21, addrspace 4)
+    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from unknown-address + 21, addrspace 4)
     ; GFX9: [[PTR_ADD21:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from undef + 22, addrspace 4)
+    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from unknown-address + 22, addrspace 4)
     ; GFX9: [[PTR_ADD22:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from undef + 23, addrspace 4)
+    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from unknown-address + 23, addrspace 4)
     ; GFX9: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; GFX9: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; GFX9: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; GFX9: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; GFX9: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; GFX9: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; GFX9: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; GFX9: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
bb.0:
     ; GFX9: [[OR16:%[0-9]+]]:_(s32) = G_OR [[ZEXT8]], [[SHL16]]
     ; GFX9: [[ZEXT10:%[0-9]+]]:_(s32) = G_ZEXT [[OR14]](s16)
     ; GFX9: [[ZEXT11:%[0-9]+]]:_(s32) = G_ZEXT [[OR15]](s16)
     ; GFX9: [[SHL17:%[0-9]+]]:_(s32) = G_SHL [[ZEXT11]], [[C9]](s32)
     ; GFX9: [[OR17:%[0-9]+]]:_(s32) = G_OR [[ZEXT10]], [[SHL17]]
     ; GFX9: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR16]](s32), [[OR17]](s32)
     ; GFX9: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 24
     ; GFX9: [[PTR_ADD23:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; GFX9: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p4) :: (load 1 from undef + 24, addrspace 4)
+    ; GFX9: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p4) :: (load 1 from unknown-address + 24, addrspace 4)
     ; GFX9: [[PTR_ADD24:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C]](s64)
-    ; GFX9: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p4) :: (load 1 from undef + 25, addrspace 4)
+    ; GFX9: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p4) :: (load 1 from unknown-address + 25, addrspace 4)
     ; GFX9: [[PTR_ADD25:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C1]](s64)
-    ; GFX9: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p4) :: (load 1 from undef + 26, addrspace 4)
+    ; GFX9: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p4) :: (load 1 from unknown-address + 26, addrspace 4)
     ; GFX9: [[PTR_ADD26:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C2]](s64)
-    ; GFX9: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p4) :: (load 1 from undef + 27, addrspace 4)
+    ; GFX9: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p4) :: (load 1 from unknown-address + 27, addrspace 4)
     ; GFX9: [[PTR_ADD27:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
-    ; GFX9: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p4) :: (load 1 from undef + 28, addrspace 4)
+    ; GFX9: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p4) :: (load 1 from unknown-address + 28, addrspace 4)
     ; GFX9: [[PTR_ADD28:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
-    ; GFX9: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p4) :: (load 1 from undef + 29, addrspace 4)
+    ; GFX9: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p4) :: (load 1 from unknown-address + 29, addrspace 4)
     ; GFX9: [[PTR_ADD29:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
-    ; GFX9: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p4) :: (load 1 from undef + 30, addrspace 4)
+    ; GFX9: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p4) :: (load 1 from unknown-address + 30, addrspace 4)
     ; GFX9: [[PTR_ADD30:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD23]], [[C6]](s64)
-    ; GFX9: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p4) :: (load 1 from undef + 31, addrspace 4)
+    ; GFX9: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p4) :: (load 1 from unknown-address + 31, addrspace 4)
     ; GFX9: [[TRUNC24:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD24]](s32)
     ; GFX9: [[AND24:%[0-9]+]]:_(s16) = G_AND [[TRUNC24]], [[C7]]
     ; GFX9: [[TRUNC25:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD25]](s32)
     ; GFX9: [[AND25:%[0-9]+]]:_(s16) = G_AND [[TRUNC25]], [[C7]]
     ; GFX9: [[SHL18:%[0-9]+]]:_(s16) = G_SHL [[AND25]], [[C8]](s16)
     ; GFX9: [[OR18:%[0-9]+]]:_(s16) = G_OR [[AND24]], [[SHL18]]
     ; GFX9: [[TRUNC26:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD26]](s32)
     ; GFX9: [[AND26:%[0-9]+]]:_(s16) = G_AND [[TRUNC26]], [[C7]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v2p1_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     ; VI-LABEL: name: test_load_constant_v2p1_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     ; GFX9-LABEL: name: test_load_constant_v2p1_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 4)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 4)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 4)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 4)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 4)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 4)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 4)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 4)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 4)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 4)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 4)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 4)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 4)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 4)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 4)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 4)
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_constant_v2p3_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; CI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[INTTOPTR1:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR5]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[INTTOPTR]](p3), [[INTTOPTR1]](p3)
     ; CI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
     ; VI-LABEL: name: test_load_constant_v2p3_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[INTTOPTR1:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR5]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[INTTOPTR]](p3), [[INTTOPTR1]](p3)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
     ; GFX9-LABEL: name: test_load_constant_v2p3_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 4)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 4)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 4)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; GFX9: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 4)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 4)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 4)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 4)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 4)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 4)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_extload_constant_v2s96_from_24_align1
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 1)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 1)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 1)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 1)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 1)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 1)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; CI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 1)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 1)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 1)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 1)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 1)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 1)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI: [[COPY13:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; CI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY13]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 1)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 1)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 1)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 1)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 1)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 1)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 1)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 1)
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[PTR_ADD15:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s64)
-    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from undef + 16, addrspace 1)
+    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from unknown-address + 16, addrspace 1)
     ; CI: [[PTR_ADD16:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from undef + 17, addrspace 1)
+    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from unknown-address + 17, addrspace 1)
     ; CI: [[PTR_ADD17:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from undef + 18, addrspace 1)
+    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from unknown-address + 18, addrspace 1)
     ; CI: [[PTR_ADD18:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from undef + 19, addrspace 1)
+    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from unknown-address + 19, addrspace 1)
     ; CI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; CI: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; CI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; CI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; CI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; CI: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; CI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; CI: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; CI: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; CI: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; CI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; CI: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; CI: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; CI: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; CI: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR11]](s32), [[OR14]](s32)
     ; CI: [[PTR_ADD19:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C8]](s64)
-    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from undef + 20, addrspace 1)
+    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from unknown-address + 20, addrspace 1)
     ; CI: [[PTR_ADD20:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD19]], [[C]](s64)
-    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from undef + 21, addrspace 1)
+    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from unknown-address + 21, addrspace 1)
     ; CI: [[PTR_ADD21:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s64)
-    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from undef + 22, addrspace 1)
+    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from unknown-address + 22, addrspace 1)
     ; CI: [[PTR_ADD22:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s64)
-    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from undef + 23, addrspace 1)
+    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from unknown-address + 23, addrspace 1)
     ; CI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; CI: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; CI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; CI: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
     ; CI: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; CI: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; CI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; CI: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY24]], [[C3]]
bb.0:
     ; CI: [[COPY27:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY26]](s96)
     ; CI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY27]](s96)
     ; VI-LABEL: name: test_extload_constant_v2s96_from_24_align1
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 1)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; VI: [[COPY13:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY13]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 1)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 1)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 1)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 1)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 1)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s64)
-    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from undef + 16, addrspace 1)
+    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from undef + 17, addrspace 1)
+    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from unknown-address + 17, addrspace 1)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from undef + 18, addrspace 1)
+    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from undef + 19, addrspace 1)
+    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from unknown-address + 19, addrspace 1)
     ; VI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; VI: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; VI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; VI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; VI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; VI: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; VI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; VI: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; VI: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; VI: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; VI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; VI: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; VI: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; VI: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; VI: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR11]](s32), [[OR14]](s32)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C8]](s64)
-    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from undef + 20, addrspace 1)
+    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD19]], [[C]](s64)
-    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from undef + 21, addrspace 1)
+    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from unknown-address + 21, addrspace 1)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s64)
-    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from undef + 22, addrspace 1)
+    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from unknown-address + 22, addrspace 1)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s64)
-    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from undef + 23, addrspace 1)
+    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from unknown-address + 23, addrspace 1)
     ; VI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; VI: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; VI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; VI: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
     ; VI: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; VI: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; VI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; VI: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY24]], [[C3]]
bb.0:
     ; VI: [[COPY27:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY26]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY27]](s96)
     ; GFX9-LABEL: name: test_extload_constant_v2s96_from_24_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 1, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; GFX9: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from undef + 10, addrspace 1)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 1 from unknown-address + 10, addrspace 1)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from undef + 11, addrspace 1)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 1 from unknown-address + 11, addrspace 1)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; GFX9: [[COPY13:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; GFX9: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY13]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; GFX9: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from undef + 12, addrspace 1)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p4) :: (load 1 from unknown-address + 12, addrspace 1)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from undef + 13, addrspace 1)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p4) :: (load 1 from unknown-address + 13, addrspace 1)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from undef + 14, addrspace 1)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p4) :: (load 1 from unknown-address + 14, addrspace 1)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from undef + 15, addrspace 1)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p4) :: (load 1 from unknown-address + 15, addrspace 1)
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; GFX9: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; GFX9: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; GFX9: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; GFX9: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; GFX9: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; GFX9: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; GFX9: [[PTR_ADD15:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s64)
-    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from undef + 16, addrspace 1)
+    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p4) :: (load 1 from unknown-address + 16, addrspace 1)
     ; GFX9: [[PTR_ADD16:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from undef + 17, addrspace 1)
+    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p4) :: (load 1 from unknown-address + 17, addrspace 1)
     ; GFX9: [[PTR_ADD17:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from undef + 18, addrspace 1)
+    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p4) :: (load 1 from unknown-address + 18, addrspace 1)
     ; GFX9: [[PTR_ADD18:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from undef + 19, addrspace 1)
+    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p4) :: (load 1 from unknown-address + 19, addrspace 1)
     ; GFX9: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; GFX9: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; GFX9: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; GFX9: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; GFX9: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; GFX9: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; GFX9: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; GFX9: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; GFX9: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; GFX9: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; GFX9: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; GFX9: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; GFX9: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; GFX9: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; GFX9: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR11]](s32), [[OR14]](s32)
     ; GFX9: [[PTR_ADD19:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD11]], [[C8]](s64)
-    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from undef + 20, addrspace 1)
+    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p4) :: (load 1 from unknown-address + 20, addrspace 1)
     ; GFX9: [[PTR_ADD20:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD19]], [[C]](s64)
-    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from undef + 21, addrspace 1)
+    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p4) :: (load 1 from unknown-address + 21, addrspace 1)
     ; GFX9: [[PTR_ADD21:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s64)
-    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from undef + 22, addrspace 1)
+    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p4) :: (load 1 from unknown-address + 22, addrspace 1)
     ; GFX9: [[PTR_ADD22:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s64)
-    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from undef + 23, addrspace 1)
+    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p4) :: (load 1 from unknown-address + 23, addrspace 1)
     ; GFX9: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; GFX9: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; GFX9: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; GFX9: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
     ; GFX9: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; GFX9: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; GFX9: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; GFX9: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY24]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_extload_constant_v2s96_from_24_align2
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 1)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 1)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from undef + 8, addrspace 1)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from unknown-address + 8, addrspace 1)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from undef + 10, addrspace 1)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from unknown-address + 10, addrspace 1)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI: [[COPY7:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; CI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY7]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from undef + 12, addrspace 1)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from unknown-address + 12, addrspace 1)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from undef + 14, addrspace 1)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from unknown-address + 14, addrspace 1)
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 2 from undef + 16, addrspace 1)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 2 from unknown-address + 16, addrspace 1)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 2 from undef + 18, addrspace 1)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 2 from unknown-address + 18, addrspace 1)
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; CI: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 2 from undef + 20, addrspace 1)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 2 from unknown-address + 20, addrspace 1)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 2 from undef + 22, addrspace 1)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 2 from unknown-address + 22, addrspace 1)
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C1]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; CI: [[INSERT2:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR1]](<2 x s32>), 0
     ; CI: [[INSERT3:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT2]], [[OR5]](s32), 64
     ; CI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT3]](<3 x s32>)
     ; CI: [[COPY14:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI: [[COPY15:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY14]](s96)
     ; CI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY15]](s96)
     ; VI-LABEL: name: test_extload_constant_v2s96_from_24_align2
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from undef + 8, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from undef + 10, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from unknown-address + 10, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; VI: [[COPY7:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY7]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from undef + 12, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from undef + 14, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from unknown-address + 14, addrspace 1)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 2 from undef + 16, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 2 from unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 2 from undef + 18, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 2 from unknown-address + 18, addrspace 1)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; VI: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 2 from undef + 20, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 2 from unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 2 from undef + 22, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 2 from unknown-address + 22, addrspace 1)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C1]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; VI: [[INSERT2:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR1]](<2 x s32>), 0
     ; VI: [[INSERT3:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT2]], [[OR5]](s32), 64
     ; VI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT3]](<3 x s32>)
     ; VI: [[COPY14:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; VI: [[COPY15:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY14]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY15]](s96)
     ; GFX9-LABEL: name: test_extload_constant_v2s96_from_24_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p4) :: (load 2, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from undef + 8, addrspace 1)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p4) :: (load 2 from unknown-address + 8, addrspace 1)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from undef + 10, addrspace 1)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p4) :: (load 2 from unknown-address + 10, addrspace 1)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; GFX9: [[COPY7:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; GFX9: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY7]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from undef + 12, addrspace 1)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p4) :: (load 2 from unknown-address + 12, addrspace 1)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from undef + 14, addrspace 1)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p4) :: (load 2 from unknown-address + 14, addrspace 1)
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 2 from undef + 16, addrspace 1)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p4) :: (load 2 from unknown-address + 16, addrspace 1)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 2 from undef + 18, addrspace 1)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p4) :: (load 2 from unknown-address + 18, addrspace 1)
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; GFX9: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 2 from undef + 20, addrspace 1)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p4) :: (load 2 from unknown-address + 20, addrspace 1)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p4) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 2 from undef + 22, addrspace 1)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p4) :: (load 2 from unknown-address + 22, addrspace 1)
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C1]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; GFX9: [[INSERT2:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR1]](<2 x s32>), 0
     ; GFX9: [[INSERT3:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT2]], [[OR5]](s32), 64
bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_extload_constant_v2s96_from_24_align4
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p4) :: (load 12, align 4, addrspace 1)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; CI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; CI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; CI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; VI-LABEL: name: test_extload_constant_v2s96_from_24_align4
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p4) :: (load 12, align 4, addrspace 1)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; VI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; VI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; GFX9-LABEL: name: test_extload_constant_v2s96_from_24_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p4) :: (load 12, align 4, addrspace 1)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; GFX9: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; GFX9: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; GFX9: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(<2 x s96>) = G_LOAD %0 :: (load 24, align 4, addrspace 1)
     %2:_(s96) = G_EXTRACT %1, 0
bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_extload_constant_v2s96_from_24_align16
     ; CI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p4) :: (load 12, align 16, addrspace 1)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; CI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; CI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; CI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; VI-LABEL: name: test_extload_constant_v2s96_from_24_align16
     ; VI: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p4) :: (load 12, align 16, addrspace 1)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; VI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; VI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; GFX9-LABEL: name: test_extload_constant_v2s96_from_24_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p4) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p4) :: (load 12, align 16, addrspace 1)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; GFX9: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; GFX9: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; GFX9: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(<2 x s96>) = G_LOAD %0 :: (load 24, align 16, addrspace 1)
     %2:_(s96) = G_EXTRACT %1, 0

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-load-flat.mir

body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; CI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_flat_s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-LABEL: name: test_load_flat_s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: $vgpr0 = COPY [[OR]](s32)
     ; VI-LABEL: name: test_load_flat_s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: $vgpr0 = COPY [[OR]](s32)
     ; GFX9-LABEL: name: test_load_flat_s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: $vgpr0 = COPY [[OR2]](s32)
     ; VI-LABEL: name: test_load_flat_s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: $vgpr0 = COPY [[OR2]](s32)
     ; GFX9-LABEL: name: test_load_flat_s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s64_align2
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; VI-LABEL: name: test_load_flat_s64_align2
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; GFX9-LABEL: name: test_load_flat_s64_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; VI-LABEL: name: test_load_flat_s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; GFX9-LABEL: name: test_load_flat_s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s96_align2
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from undef + 8)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from unknown-address + 8)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from undef + 10)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from unknown-address + 10)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_flat_s96_align2
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from undef + 8)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from unknown-address + 8)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from undef + 10)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from unknown-address + 10)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-LABEL: name: test_load_flat_s96_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from undef + 8)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from unknown-address + 8)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from undef + 10)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from unknown-address + 10)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s96_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; CI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_flat_s96_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-LABEL: name: test_load_flat_s96_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; GFX9: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s160_align4
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 4 from undef + 16)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 4 from unknown-address + 16)
     ; CI: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; CI: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; CI: S_NOP 0, implicit [[BITCAST]](s160)
     ; VI-LABEL: name: test_load_flat_s160_align4
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 4 from undef + 16)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 4 from unknown-address + 16)
     ; VI: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; VI: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; VI: S_NOP 0, implicit [[BITCAST]](s160)
     ; GFX9-LABEL: name: test_load_flat_s160_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 4 from undef + 16)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 4 from unknown-address + 16)
     ; GFX9: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; GFX9: S_NOP 0, implicit [[BITCAST]](s160)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(s160) = G_LOAD %0 :: (load 20, align 4, addrspace 0)
     S_NOP 0, implicit %1
 ...
 
 ---
 name: test_load_flat_s224_align4
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s224_align4
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 4)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 12 from undef + 16, align 4)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 12 from unknown-address + 16, align 4)
     ; CI: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; CI: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; CI: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; CI: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     ; VI-LABEL: name: test_load_flat_s224_align4
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 4)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 12 from undef + 16, align 4)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 12 from unknown-address + 16, align 4)
     ; VI: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; VI: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; VI: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; VI: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     ; GFX9-LABEL: name: test_load_flat_s224_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 4)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 12 from undef + 16, align 4)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 12 from unknown-address + 16, align 4)
     ; GFX9: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; GFX9: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     %0:_(p0) = COPY $vgpr0_vgpr1
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s128_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; VI-LABEL: name: test_load_flat_s128_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; GFX9-LABEL: name: test_load_flat_s128_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_s256_align32
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
     ; CI: [[BITCAST:%[0-9]+]]:_(s256) = G_BITCAST [[CONCAT_VECTORS]](<8 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BITCAST]](s256)
     ; VI-LABEL: name: test_load_flat_s256_align32
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
     ; VI: [[BITCAST:%[0-9]+]]:_(s256) = G_BITCAST [[CONCAT_VECTORS]](<8 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BITCAST]](s256)
     ; GFX9-LABEL: name: test_load_flat_s256_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s256) = G_BITCAST [[CONCAT_VECTORS]](<8 x s32>)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BITCAST]](s256)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(s256) = G_LOAD %0 :: (load 32, align 16, addrspace 0)
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
 ...
 
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_p1_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; VI-LABEL: name: test_load_flat_p1_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; GFX9-LABEL: name: test_load_flat_p1_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_p4_align2
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](p4)
     ; VI-LABEL: name: test_load_flat_p4_align2
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](p4)
     ; GFX9-LABEL: name: test_load_flat_p4_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_p4_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](p4)
     ; VI-LABEL: name: test_load_flat_p4_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](p4)
     ; GFX9-LABEL: name: test_load_flat_p4_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_p5_align2
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR]](s32)
     ; CI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; VI-LABEL: name: test_load_flat_p5_align2
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR]](s32)
     ; VI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; GFX9-LABEL: name: test_load_flat_p5_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_p5_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR2]](s32)
     ; CI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; VI-LABEL: name: test_load_flat_p5_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR2]](s32)
     ; VI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; GFX9-LABEL: name: test_load_flat_p5_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v2s8_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; CI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_flat_v2s8_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-LABEL: name: test_load_flat_v2s8_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v4s8_align2
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; CI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C1]](s32)
     ; CI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C2]](s32)
     ; CI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C3]](s32)
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; CI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; VI-LABEL: name: test_load_flat_v4s8_align2
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C1]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C2]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C3]](s32)
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; VI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; GFX9-LABEL: name: test_load_flat_v4s8_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; GFX9: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C1]](s32)
     ; GFX9: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C2]](s32)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v4s8_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; CI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; VI-LABEL: name: test_load_flat_v4s8_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; VI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; GFX9-LABEL: name: test_load_flat_v4s8_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[CONCAT_VECTORS]](<4 x s16>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v32s8_align32
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; CI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD]](<4 x s32>)
     ; CI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32), [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD1]](<4 x s32>)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C3]](s32)
bb.0:
     ; CI: [[TRUNC7:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR7]](<4 x s32>)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<32 x s8>) = G_CONCAT_VECTORS [[TRUNC]](<4 x s8>), [[TRUNC1]](<4 x s8>), [[TRUNC2]](<4 x s8>), [[TRUNC3]](<4 x s8>), [[TRUNC4]](<4 x s8>), [[TRUNC5]](<4 x s8>), [[TRUNC6]](<4 x s8>), [[TRUNC7]](<4 x s8>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<32 x s8>)
     ; VI-LABEL: name: test_load_flat_v32s8_align32
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD]](<4 x s32>)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32), [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD1]](<4 x s32>)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C3]](s32)
bb.0:
     ; VI: [[TRUNC7:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR7]](<4 x s32>)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<32 x s8>) = G_CONCAT_VECTORS [[TRUNC]](<4 x s8>), [[TRUNC1]](<4 x s8>), [[TRUNC2]](<4 x s8>), [[TRUNC3]](<4 x s8>), [[TRUNC4]](<4 x s8>), [[TRUNC5]](<4 x s8>), [[TRUNC6]](<4 x s8>), [[TRUNC7]](<4 x s8>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<32 x s8>)
     ; GFX9-LABEL: name: test_load_flat_v32s8_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; GFX9: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD]](<4 x s32>)
     ; GFX9: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32), [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[LOAD1]](<4 x s32>)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C3]](s32)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v2s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; VI-LABEL: name: test_load_flat_v2s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; GFX9-LABEL: name: test_load_flat_v2s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(<2 x s16>) = G_LOAD %0 :: (load 4, align 2, addrspace 0)
     $vgpr0 = COPY %1
 ...
 
 ---
 name: test_load_flat_v2s16_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v2s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; VI-LABEL: name: test_load_flat_v2s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; GFX9-LABEL: name: test_load_flat_v2s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v3s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; CI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST]](<2 x s16>), 0
     ; CI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; CI: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; CI: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; CI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; CI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; CI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; VI-LABEL: name: test_load_flat_v3s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; VI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST]](<2 x s16>), 0
     ; VI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; VI: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; VI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; VI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; VI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_flat_v3s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; GFX9: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; GFX9: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BUILD_VECTOR_TRUNC]](<2 x s16>), 0
     ; GFX9: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v3s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; CI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
bb.0:
     ; CI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; CI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; CI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; VI-LABEL: name: test_load_flat_v3s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; VI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
bb.0:
     ; VI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; VI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; VI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_flat_v3s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT]](s32), [[ANYEXT1]](s32)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; GFX9: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; GFX9: [[OR2:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v4s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; VI-LABEL: name: test_load_flat_v4s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_flat_v4s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(<4 x s16>) = G_LOAD %0 :: (load 8, align 2, addrspace 0)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_flat_v4s16_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v4s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; CI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[COPY6]](s32)
     ; CI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[SHL4]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[TRUNC7]]
     ; CI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C5]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; VI-LABEL: name: test_load_flat_v4s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; VI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; VI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; VI: [[SHL4:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; VI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C4]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_flat_v4s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT]](s32), [[ANYEXT1]](s32)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; GFX9: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; GFX9: [[OR2:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; GFX9: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; GFX9: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL3]]
     ; GFX9: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[OR2]](s16)
     ; GFX9: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[OR3]](s16)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v8s32_align32
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<8 x s32>)
     ; VI-LABEL: name: test_load_flat_v8s32_align32
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<8 x s32>)
     ; GFX9-LABEL: name: test_load_flat_v8s32_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<8 x s32>)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(<8 x s32>) = G_LOAD %0 :: (load 32, align 32, addrspace 0)
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
 ...
 
 ---
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v2s64_align2
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from undef + 8)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from unknown-address + 8)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from undef + 10)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from unknown-address + 10)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 2 from undef + 12)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 2 from unknown-address + 12)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 2 from undef + 14)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 2 from unknown-address + 14)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR3]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; VI-LABEL: name: test_load_flat_v2s64_align2
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from undef + 8)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from unknown-address + 8)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from undef + 10)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from unknown-address + 10)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 2 from undef + 12)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 2 from unknown-address + 12)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 2 from undef + 14)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 2 from unknown-address + 14)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR3]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; GFX9-LABEL: name: test_load_flat_v2s64_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 2)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from undef + 2)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 2 from unknown-address + 2)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from undef + 4)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 2 from unknown-address + 4)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from undef + 6)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 2 from unknown-address + 6)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from undef + 8)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 2 from unknown-address + 8)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from undef + 10)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 2 from unknown-address + 10)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 2 from undef + 12)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 2 from unknown-address + 12)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 2 from undef + 14)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 2 from unknown-address + 14)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v2s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; CI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; CI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; CI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; VI-LABEL: name: test_load_flat_v2s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; GFX9-LABEL: name: test_load_flat_v2s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; GFX9: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; GFX9: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; GFX9: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; GFX9: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; GFX9: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; GFX9: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v3s64_align32
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from undef + 16, align 16)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from unknown-address + 16, align 16)
     ; CI: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; CI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; CI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; VI-LABEL: name: test_load_flat_v3s64_align32
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from undef + 16, align 16)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from unknown-address + 16, align 16)
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_flat_v3s64_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from undef + 16, align 16)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from unknown-address + 16, align 16)
     ; GFX9: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; GFX9: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(<3 x s64>) = G_LOAD %0 :: (load 24, align 32, addrspace 0)
     %2:_(<4 x s64>) = G_IMPLICIT_DEF
     %3:_(<4 x s64>) = G_INSERT %2, %1, 0
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %3
 ...
 
 ---
 name: test_load_flat_v3s64_align8
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v3s64_align8
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 8)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from undef + 16)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from unknown-address + 16)
     ; CI: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; CI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; CI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; VI-LABEL: name: test_load_flat_v3s64_align8
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 8)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from undef + 16)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from unknown-address + 16)
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_flat_v3s64_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 8)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from undef + 16)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p0) :: (load 8 from unknown-address + 16)
     ; GFX9: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; GFX9: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(<3 x s64>) = G_LOAD %0 :: (load 24, align 8, addrspace 0)
     %2:_(<4 x s64>) = G_IMPLICIT_DEF
     %3:_(<4 x s64>) = G_INSERT %2, %1, 0
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %3
 ...
 
 ---
 name: test_load_flat_v3s64_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v3s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; CI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; CI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; CI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; CI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C10]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD15:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from undef + 16)
+    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from unknown-address + 16)
     ; CI: [[PTR_ADD16:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from undef + 17)
+    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from unknown-address + 17)
     ; CI: [[PTR_ADD17:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from undef + 18)
+    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from unknown-address + 18)
     ; CI: [[PTR_ADD18:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from undef + 19)
+    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from unknown-address + 19)
     ; CI: [[PTR_ADD19:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from undef + 20)
+    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from unknown-address + 20)
     ; CI: [[PTR_ADD20:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from undef + 21)
+    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from unknown-address + 21)
     ; CI: [[PTR_ADD21:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from undef + 22)
+    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from unknown-address + 22)
     ; CI: [[PTR_ADD22:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from undef + 23)
+    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from unknown-address + 23)
     ; CI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; CI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; CI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C9]]
     ; CI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[COPY16]](s32)
     ; CI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[SHL12]](s32)
     ; CI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[TRUNC17]]
bb.0:
     ; CI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; CI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; VI-LABEL: name: test_load_flat_v3s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; VI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; VI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from undef + 16)
+    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from unknown-address + 16)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from undef + 17)
+    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from unknown-address + 17)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from undef + 18)
+    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from unknown-address + 18)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from undef + 19)
+    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from unknown-address + 19)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from undef + 20)
+    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from unknown-address + 20)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from undef + 21)
+    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from unknown-address + 21)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from undef + 22)
+    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from unknown-address + 22)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from undef + 23)
+    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from unknown-address + 23)
     ; VI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; VI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; VI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; VI: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; VI: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; VI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; VI: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; VI: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
bb.0:
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_flat_v3s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; GFX9: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; GFX9: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; GFX9: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; GFX9: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; GFX9: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; GFX9: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; GFX9: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; GFX9: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; GFX9: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; GFX9: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; GFX9: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; GFX9: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD15:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from undef + 16)
+    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from unknown-address + 16)
     ; GFX9: [[PTR_ADD16:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from undef + 17)
+    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from unknown-address + 17)
     ; GFX9: [[PTR_ADD17:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from undef + 18)
+    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from unknown-address + 18)
     ; GFX9: [[PTR_ADD18:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from undef + 19)
+    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from unknown-address + 19)
     ; GFX9: [[PTR_ADD19:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from undef + 20)
+    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from unknown-address + 20)
     ; GFX9: [[PTR_ADD20:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from undef + 21)
+    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from unknown-address + 21)
     ; GFX9: [[PTR_ADD21:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from undef + 22)
+    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from unknown-address + 22)
     ; GFX9: [[PTR_ADD22:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from undef + 23)
+    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from unknown-address + 23)
     ; GFX9: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; GFX9: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; GFX9: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; GFX9: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; GFX9: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; GFX9: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; GFX9: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; GFX9: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v4s64_align32
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s64>) = G_CONCAT_VECTORS [[LOAD]](<2 x s64>), [[LOAD1]](<2 x s64>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<4 x s64>)
     ; VI-LABEL: name: test_load_flat_v4s64_align32
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s64>) = G_CONCAT_VECTORS [[LOAD]](<2 x s64>), [[LOAD1]](<2 x s64>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_flat_v4s64_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s64>) = G_CONCAT_VECTORS [[LOAD]](<2 x s64>), [[LOAD1]](<2 x s64>)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<4 x s64>)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(<4 x s64>) = G_LOAD %0 :: (load 32, align 32, addrspace 0)
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
 ...
 
 ---
 name: test_load_flat_v4s64_align8
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v4s64_align8
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 8)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16, align 8)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16, align 8)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s64>) = G_CONCAT_VECTORS [[LOAD]](<2 x s64>), [[LOAD1]](<2 x s64>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<4 x s64>)
     ; VI-LABEL: name: test_load_flat_v4s64_align8
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 8)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16, align 8)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16, align 8)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s64>) = G_CONCAT_VECTORS [[LOAD]](<2 x s64>), [[LOAD1]](<2 x s64>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_flat_v4s64_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p0) :: (load 16, align 8)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16, align 8)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16, align 8)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s64>) = G_CONCAT_VECTORS [[LOAD]](<2 x s64>), [[LOAD1]](<2 x s64>)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<4 x s64>)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(<4 x s64>) = G_LOAD %0 :: (load 32, align 8, addrspace 0)
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
 ...
 
 ---
 name: test_load_flat_v4s64_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v4s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; CI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; CI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; CI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; CI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C10]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD15:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from undef + 16)
+    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from unknown-address + 16)
     ; CI: [[PTR_ADD16:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from undef + 17)
+    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from unknown-address + 17)
     ; CI: [[PTR_ADD17:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from undef + 18)
+    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from unknown-address + 18)
     ; CI: [[PTR_ADD18:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from undef + 19)
+    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from unknown-address + 19)
     ; CI: [[PTR_ADD19:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from undef + 20)
+    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from unknown-address + 20)
     ; CI: [[PTR_ADD20:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from undef + 21)
+    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from unknown-address + 21)
     ; CI: [[PTR_ADD21:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from undef + 22)
+    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from unknown-address + 22)
     ; CI: [[PTR_ADD22:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from undef + 23)
+    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from unknown-address + 23)
     ; CI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; CI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; CI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C9]]
     ; CI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[COPY16]](s32)
     ; CI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[SHL12]](s32)
     ; CI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[TRUNC17]]
bb.0:
     ; CI: [[SHL16:%[0-9]+]]:_(s32) = G_SHL [[ZEXT9]], [[C10]](s32)
     ; CI: [[OR16:%[0-9]+]]:_(s32) = G_OR [[ZEXT8]], [[SHL16]]
     ; CI: [[ZEXT10:%[0-9]+]]:_(s32) = G_ZEXT [[OR14]](s16)
     ; CI: [[ZEXT11:%[0-9]+]]:_(s32) = G_ZEXT [[OR15]](s16)
     ; CI: [[SHL17:%[0-9]+]]:_(s32) = G_SHL [[ZEXT11]], [[C10]](s32)
     ; CI: [[OR17:%[0-9]+]]:_(s32) = G_OR [[ZEXT10]], [[SHL17]]
     ; CI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR16]](s32), [[OR17]](s32)
     ; CI: [[PTR_ADD23:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C11]](s64)
-    ; CI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p0) :: (load 1 from undef + 24)
+    ; CI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p0) :: (load 1 from unknown-address + 24)
     ; CI: [[PTR_ADD24:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C]](s64)
-    ; CI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p0) :: (load 1 from undef + 25)
+    ; CI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p0) :: (load 1 from unknown-address + 25)
     ; CI: [[PTR_ADD25:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C1]](s64)
-    ; CI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p0) :: (load 1 from undef + 26)
+    ; CI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p0) :: (load 1 from unknown-address + 26)
     ; CI: [[PTR_ADD26:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C2]](s64)
-    ; CI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p0) :: (load 1 from undef + 27)
+    ; CI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p0) :: (load 1 from unknown-address + 27)
     ; CI: [[PTR_ADD27:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
-    ; CI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p0) :: (load 1 from undef + 28)
+    ; CI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p0) :: (load 1 from unknown-address + 28)
     ; CI: [[PTR_ADD28:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
-    ; CI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p0) :: (load 1 from undef + 29)
+    ; CI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p0) :: (load 1 from unknown-address + 29)
     ; CI: [[PTR_ADD29:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
-    ; CI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p0) :: (load 1 from undef + 30)
+    ; CI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p0) :: (load 1 from unknown-address + 30)
     ; CI: [[PTR_ADD30:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C6]](s64)
-    ; CI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p0) :: (load 1 from undef + 31)
+    ; CI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p0) :: (load 1 from unknown-address + 31)
     ; CI: [[TRUNC24:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD24]](s32)
     ; CI: [[AND24:%[0-9]+]]:_(s16) = G_AND [[TRUNC24]], [[C7]]
     ; CI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LOAD25]](s32)
     ; CI: [[AND25:%[0-9]+]]:_(s32) = G_AND [[COPY25]], [[C9]]
     ; CI: [[SHL18:%[0-9]+]]:_(s32) = G_SHL [[AND25]], [[COPY24]](s32)
     ; CI: [[TRUNC25:%[0-9]+]]:_(s16) = G_TRUNC [[SHL18]](s32)
     ; CI: [[OR18:%[0-9]+]]:_(s16) = G_OR [[AND24]], [[TRUNC25]]
bb.0:
     ; CI: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV2]](s64), [[MV3]](s64)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s64>) = G_CONCAT_VECTORS [[BUILD_VECTOR]](<2 x s64>), [[BUILD_VECTOR1]](<2 x s64>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<4 x s64>)
     ; VI-LABEL: name: test_load_flat_v4s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; VI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; VI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from undef + 16)
+    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from unknown-address + 16)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from undef + 17)
+    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from unknown-address + 17)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from undef + 18)
+    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from unknown-address + 18)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from undef + 19)
+    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from unknown-address + 19)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from undef + 20)
+    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from unknown-address + 20)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from undef + 21)
+    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from unknown-address + 21)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from undef + 22)
+    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from unknown-address + 22)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from undef + 23)
+    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from unknown-address + 23)
     ; VI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; VI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; VI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; VI: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; VI: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; VI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; VI: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; VI: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
bb.0:
     ; VI: [[SHL16:%[0-9]+]]:_(s32) = G_SHL [[ZEXT9]], [[C9]](s32)
     ; VI: [[OR16:%[0-9]+]]:_(s32) = G_OR [[ZEXT8]], [[SHL16]]
     ; VI: [[ZEXT10:%[0-9]+]]:_(s32) = G_ZEXT [[OR14]](s16)
     ; VI: [[ZEXT11:%[0-9]+]]:_(s32) = G_ZEXT [[OR15]](s16)
     ; VI: [[SHL17:%[0-9]+]]:_(s32) = G_SHL [[ZEXT11]], [[C9]](s32)
     ; VI: [[OR17:%[0-9]+]]:_(s32) = G_OR [[ZEXT10]], [[SHL17]]
     ; VI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR16]](s32), [[OR17]](s32)
     ; VI: [[PTR_ADD23:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C10]](s64)
-    ; VI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p0) :: (load 1 from undef + 24)
+    ; VI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p0) :: (load 1 from unknown-address + 24)
     ; VI: [[PTR_ADD24:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C]](s64)
-    ; VI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p0) :: (load 1 from undef + 25)
+    ; VI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p0) :: (load 1 from unknown-address + 25)
     ; VI: [[PTR_ADD25:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C1]](s64)
-    ; VI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p0) :: (load 1 from undef + 26)
+    ; VI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p0) :: (load 1 from unknown-address + 26)
     ; VI: [[PTR_ADD26:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C2]](s64)
-    ; VI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p0) :: (load 1 from undef + 27)
+    ; VI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p0) :: (load 1 from unknown-address + 27)
     ; VI: [[PTR_ADD27:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
-    ; VI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p0) :: (load 1 from undef + 28)
+    ; VI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p0) :: (load 1 from unknown-address + 28)
     ; VI: [[PTR_ADD28:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
-    ; VI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p0) :: (load 1 from undef + 29)
+    ; VI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p0) :: (load 1 from unknown-address + 29)
     ; VI: [[PTR_ADD29:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
-    ; VI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p0) :: (load 1 from undef + 30)
+    ; VI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p0) :: (load 1 from unknown-address + 30)
     ; VI: [[PTR_ADD30:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C6]](s64)
-    ; VI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p0) :: (load 1 from undef + 31)
+    ; VI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p0) :: (load 1 from unknown-address + 31)
     ; VI: [[TRUNC24:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD24]](s32)
     ; VI: [[AND24:%[0-9]+]]:_(s16) = G_AND [[TRUNC24]], [[C7]]
     ; VI: [[TRUNC25:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD25]](s32)
     ; VI: [[AND25:%[0-9]+]]:_(s16) = G_AND [[TRUNC25]], [[C7]]
     ; VI: [[SHL18:%[0-9]+]]:_(s16) = G_SHL [[AND25]], [[C8]](s16)
     ; VI: [[OR18:%[0-9]+]]:_(s16) = G_OR [[AND24]], [[SHL18]]
     ; VI: [[TRUNC26:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD26]](s32)
     ; VI: [[AND26:%[0-9]+]]:_(s16) = G_AND [[TRUNC26]], [[C7]]
bb.0:
     ; VI: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV2]](s64), [[MV3]](s64)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s64>) = G_CONCAT_VECTORS [[BUILD_VECTOR]](<2 x s64>), [[BUILD_VECTOR1]](<2 x s64>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_flat_v4s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; GFX9: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; GFX9: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; GFX9: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; GFX9: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; GFX9: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; GFX9: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; GFX9: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; GFX9: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; GFX9: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; GFX9: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; GFX9: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; GFX9: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD15:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from undef + 16)
+    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p0) :: (load 1 from unknown-address + 16)
     ; GFX9: [[PTR_ADD16:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from undef + 17)
+    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p0) :: (load 1 from unknown-address + 17)
     ; GFX9: [[PTR_ADD17:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from undef + 18)
+    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p0) :: (load 1 from unknown-address + 18)
     ; GFX9: [[PTR_ADD18:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from undef + 19)
+    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p0) :: (load 1 from unknown-address + 19)
     ; GFX9: [[PTR_ADD19:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from undef + 20)
+    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p0) :: (load 1 from unknown-address + 20)
     ; GFX9: [[PTR_ADD20:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from undef + 21)
+    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p0) :: (load 1 from unknown-address + 21)
     ; GFX9: [[PTR_ADD21:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from undef + 22)
+    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p0) :: (load 1 from unknown-address + 22)
     ; GFX9: [[PTR_ADD22:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from undef + 23)
+    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p0) :: (load 1 from unknown-address + 23)
     ; GFX9: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; GFX9: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; GFX9: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; GFX9: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; GFX9: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; GFX9: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; GFX9: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; GFX9: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
bb.0:
     ; GFX9: [[SHL16:%[0-9]+]]:_(s32) = G_SHL [[ZEXT9]], [[C9]](s32)
     ; GFX9: [[OR16:%[0-9]+]]:_(s32) = G_OR [[ZEXT8]], [[SHL16]]
     ; GFX9: [[ZEXT10:%[0-9]+]]:_(s32) = G_ZEXT [[OR14]](s16)
     ; GFX9: [[ZEXT11:%[0-9]+]]:_(s32) = G_ZEXT [[OR15]](s16)
     ; GFX9: [[SHL17:%[0-9]+]]:_(s32) = G_SHL [[ZEXT11]], [[C9]](s32)
     ; GFX9: [[OR17:%[0-9]+]]:_(s32) = G_OR [[ZEXT10]], [[SHL17]]
     ; GFX9: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR16]](s32), [[OR17]](s32)
     ; GFX9: [[PTR_ADD23:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD15]], [[C10]](s64)
-    ; GFX9: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p0) :: (load 1 from undef + 24)
+    ; GFX9: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p0) :: (load 1 from unknown-address + 24)
     ; GFX9: [[PTR_ADD24:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C]](s64)
-    ; GFX9: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p0) :: (load 1 from undef + 25)
+    ; GFX9: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p0) :: (load 1 from unknown-address + 25)
     ; GFX9: [[PTR_ADD25:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C1]](s64)
-    ; GFX9: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p0) :: (load 1 from undef + 26)
+    ; GFX9: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p0) :: (load 1 from unknown-address + 26)
     ; GFX9: [[PTR_ADD26:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C2]](s64)
-    ; GFX9: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p0) :: (load 1 from undef + 27)
+    ; GFX9: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p0) :: (load 1 from unknown-address + 27)
     ; GFX9: [[PTR_ADD27:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
-    ; GFX9: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p0) :: (load 1 from undef + 28)
+    ; GFX9: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p0) :: (load 1 from unknown-address + 28)
     ; GFX9: [[PTR_ADD28:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
-    ; GFX9: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p0) :: (load 1 from undef + 29)
+    ; GFX9: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p0) :: (load 1 from unknown-address + 29)
     ; GFX9: [[PTR_ADD29:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
-    ; GFX9: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p0) :: (load 1 from undef + 30)
+    ; GFX9: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p0) :: (load 1 from unknown-address + 30)
     ; GFX9: [[PTR_ADD30:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD23]], [[C6]](s64)
-    ; GFX9: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p0) :: (load 1 from undef + 31)
+    ; GFX9: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p0) :: (load 1 from unknown-address + 31)
     ; GFX9: [[TRUNC24:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD24]](s32)
     ; GFX9: [[AND24:%[0-9]+]]:_(s16) = G_AND [[TRUNC24]], [[C7]]
     ; GFX9: [[TRUNC25:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD25]](s32)
     ; GFX9: [[AND25:%[0-9]+]]:_(s16) = G_AND [[TRUNC25]], [[C7]]
     ; GFX9: [[SHL18:%[0-9]+]]:_(s16) = G_SHL [[AND25]], [[C8]](s16)
     ; GFX9: [[OR18:%[0-9]+]]:_(s16) = G_OR [[AND24]], [[SHL18]]
     ; GFX9: [[TRUNC26:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD26]](s32)
     ; GFX9: [[AND26:%[0-9]+]]:_(s16) = G_AND [[TRUNC26]], [[C7]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v2s128_align32
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s128>) = G_BITCAST [[CONCAT_VECTORS]](<8 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BITCAST]](<2 x s128>)
     ; VI-LABEL: name: test_load_flat_v2s128_align32
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s128>) = G_BITCAST [[CONCAT_VECTORS]](<8 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BITCAST]](<2 x s128>)
     ; GFX9-LABEL: name: test_load_flat_v2s128_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p0) :: (load 16, align 32)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from undef + 16)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[PTR_ADD]](p0) :: (load 16 from unknown-address + 16)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<2 x s128>) = G_BITCAST [[CONCAT_VECTORS]](<8 x s32>)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BITCAST]](<2 x s128>)
     %0:_(p0) = COPY $vgpr0_vgpr1
     %1:_(<2 x s128>) = G_LOAD %0 :: (load 32, align 32, addrspace 0)
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
 ...
 
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v2p1_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     ; VI-LABEL: name: test_load_flat_v2p1_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     ; GFX9-LABEL: name: test_load_flat_v2p1_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from undef + 8)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p0) :: (load 1 from unknown-address + 8)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from undef + 9)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p0) :: (load 1 from unknown-address + 9)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from undef + 10)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p0) :: (load 1 from unknown-address + 10)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from undef + 11)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p0) :: (load 1 from unknown-address + 11)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from undef + 12)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p0) :: (load 1 from unknown-address + 12)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from undef + 13)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p0) :: (load 1 from unknown-address + 13)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from undef + 14)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p0) :: (load 1 from unknown-address + 14)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from undef + 15)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p0) :: (load 1 from unknown-address + 15)
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CI-LABEL: name: test_load_flat_v2p3_align1
     ; CI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; CI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[INTTOPTR1:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR5]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[INTTOPTR]](p3), [[INTTOPTR1]](p3)
     ; CI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
     ; VI-LABEL: name: test_load_flat_v2p3_align1
     ; VI: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[INTTOPTR1:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR5]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[INTTOPTR]](p3), [[INTTOPTR1]](p3)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
     ; GFX9-LABEL: name: test_load_flat_v2p3_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p0) = COPY $vgpr0_vgpr1
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from undef + 1)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p0) :: (load 1 from unknown-address + 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from undef + 2)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p0) :: (load 1 from unknown-address + 2)
     ; GFX9: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from undef + 3)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load 1 from unknown-address + 3)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; GFX9: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from undef + 4)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p0) :: (load 1 from unknown-address + 4)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from undef + 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p0) :: (load 1 from unknown-address + 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from undef + 6)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p0) :: (load 1 from unknown-address + 6)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from undef + 7)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p0) :: (load 1 from unknown-address + 7)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-load-global.mir

bb.0:
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC2]]
     ; CI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; CI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; SI-LABEL: name: test_load_global_s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; SI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; CI-HSA-LABEL: name: test_load_global_s16_align1
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, align 1, addrspace 1)
     ; CI-HSA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-HSA: $vgpr0 = COPY [[COPY1]](s32)
     ; CI-MESA-LABEL: name: test_load_global_s16_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; CI-MESA: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_global_s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-HSA-LABEL: name: test_load_global_s16_align1
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, align 1, addrspace 1)
     ; GFX9-HSA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-HSA: $vgpr0 = COPY [[COPY1]](s32)
     ; GFX9-MESA-LABEL: name: test_load_global_s16_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s32_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: $vgpr0 = COPY [[OR]](s32)
     ; CI-HSA-LABEL: name: test_load_global_s32_align2
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 4, align 2, addrspace 1)
     ; CI-HSA: $vgpr0 = COPY [[LOAD]](s32)
     ; CI-MESA-LABEL: name: test_load_global_s32_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: $vgpr0 = COPY [[OR]](s32)
     ; VI-LABEL: name: test_load_global_s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: $vgpr0 = COPY [[OR]](s32)
     ; GFX9-HSA-LABEL: name: test_load_global_s32_align2
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 4, align 2, addrspace 1)
     ; GFX9-HSA: $vgpr0 = COPY [[LOAD]](s32)
     ; GFX9-MESA-LABEL: name: test_load_global_s32_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s32_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 4, align 1, addrspace 1)
     ; CI-HSA: $vgpr0 = COPY [[LOAD]](s32)
     ; CI-MESA-LABEL: name: test_load_global_s32_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI-MESA: $vgpr0 = COPY [[OR2]](s32)
     ; VI-LABEL: name: test_load_global_s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 4, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0 = COPY [[LOAD]](s32)
     ; GFX9-MESA-LABEL: name: test_load_global_s32_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s24_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, align 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, align 2, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; SI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; CI-HSA-LABEL: name: test_load_global_s24_align2
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[ZEXTLOAD:%[0-9]+]]:_(s32) = G_ZEXTLOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, align 2, addrspace 1)
+    ; CI-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, align 2, addrspace 1)
     ; CI-HSA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-HSA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[LOAD]], [[C1]](s32)
     ; CI-HSA: [[OR:%[0-9]+]]:_(s32) = G_OR [[SHL]], [[ZEXTLOAD]]
     ; CI-HSA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[OR]](s32)
     ; CI-HSA: $vgpr0 = COPY [[COPY1]](s32)
     ; CI-MESA-LABEL: name: test_load_global_s24_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, align 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, align 2, addrspace 1)
     ; CI-MESA: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; CI-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; CI-MESA: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_global_s24_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, align 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, align 2, addrspace 1)
     ; VI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-HSA-LABEL: name: test_load_global_s24_align2
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[ZEXTLOAD:%[0-9]+]]:_(s32) = G_ZEXTLOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, align 2, addrspace 1)
+    ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, align 2, addrspace 1)
     ; GFX9-HSA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-HSA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[LOAD]], [[C1]](s32)
     ; GFX9-HSA: [[OR:%[0-9]+]]:_(s32) = G_OR [[SHL]], [[ZEXTLOAD]]
     ; GFX9-HSA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[OR]](s32)
     ; GFX9-HSA: $vgpr0 = COPY [[COPY1]](s32)
     ; GFX9-MESA-LABEL: name: test_load_global_s24_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, align 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, align 2, addrspace 1)
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; GFX9-MESA: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; GFX9-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; GFX9-MESA: $vgpr0 = COPY [[ANYEXT]](s32)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s24) = G_LOAD %0 :: (load 3, align 2, addrspace 1)
     %2:_(s32) = G_ANYEXT %1
     $vgpr0 = COPY %2
 ...
 
 ---
 name: test_load_global_s24_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s24_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p1) :: (load 2, align 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; SI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; CI-HSA-LABEL: name: test_load_global_s24_align1
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, align 1, addrspace 1)
     ; CI-HSA: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-HSA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-HSA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C]]
     ; CI-HSA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-HSA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-HSA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[LOAD1]], [[C2]](s32)
     ; CI-HSA: [[OR:%[0-9]+]]:_(s32) = G_OR [[SHL]], [[AND]]
     ; CI-HSA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[OR]](s32)
     ; CI-HSA: $vgpr0 = COPY [[COPY2]](s32)
     ; CI-MESA-LABEL: name: test_load_global_s24_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p1) :: (load 2, align 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; CI-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; CI-MESA: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_global_s24_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p1) :: (load 2, align 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-HSA-LABEL: name: test_load_global_s24_align1
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, align 1, addrspace 1)
     ; GFX9-HSA: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9-HSA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-HSA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C]]
     ; GFX9-HSA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-HSA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-HSA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[LOAD1]], [[C2]](s32)
     ; GFX9-HSA: [[OR:%[0-9]+]]:_(s32) = G_OR [[SHL]], [[AND]]
     ; GFX9-HSA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[OR]](s32)
     ; GFX9-HSA: $vgpr0 = COPY [[COPY2]](s32)
     ; GFX9-MESA-LABEL: name: test_load_global_s24_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p1) :: (load 2, align 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; GFX9-MESA: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; GFX9-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; GFX9-MESA: $vgpr0 = COPY [[ANYEXT]](s32)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s24) = G_LOAD %0 :: (load 3, align 1, addrspace 1)
     %2:_(s32) = G_ANYEXT %1
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s64_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[COPY]](p1) :: (load 8, align 2, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](s64)
     ; CI-MESA-LABEL: name: test_load_global_s64_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI-MESA: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; VI-LABEL: name: test_load_global_s64_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[COPY]](p1) :: (load 8, align 2, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](s64)
     ; GFX9-MESA-LABEL: name: test_load_global_s64_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s64_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](s64)
     ; CI-MESA-LABEL: name: test_load_global_s64_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI-MESA: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI-MESA: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; VI-LABEL: name: test_load_global_s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](s64)
     ; GFX9-MESA-LABEL: name: test_load_global_s64_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s96_align8
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[COPY]](p1) :: (load 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 8, align 8, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 8, align 8, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; CI-HSA-LABEL: name: test_load_global_s96_align8
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 8, addrspace 1)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s96_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[COPY]](p1) :: (load 8, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 8, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 8, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; CI-HSA-LABEL: name: test_load_global_s96_align4
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 4, addrspace 1)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s96_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; CI-HSA-LABEL: name: test_load_global_s96_align2
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 2, addrspace 1)
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; CI-MESA-LABEL: name: test_load_global_s96_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_global_s96_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-HSA-LABEL: name: test_load_global_s96_align2
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 2, addrspace 1)
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-MESA-LABEL: name: test_load_global_s96_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s96_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
bb.0:
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 1, addrspace 1)
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; CI-MESA-LABEL: name: test_load_global_s96_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; CI-MESA: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI-MESA: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI-MESA: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI-MESA: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI-MESA: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI-MESA: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_global_s96_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
bb.0:
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 1, addrspace 1)
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-MESA-LABEL: name: test_load_global_s96_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; GFX9-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9-MESA: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
bb.0:
     ; CI: [[LOAD:%[0-9]+]]:_(s256) = G_LOAD [[COPY]](p1) :: (load 20, align 4, addrspace 1)
     ; CI: [[TRUNC:%[0-9]+]]:_(s160) = G_TRUNC [[LOAD]](s256)
     ; CI: S_NOP 0, implicit [[TRUNC]](s160)
     ; SI-LABEL: name: test_load_global_s160_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 16, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 16, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; SI: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; SI: S_NOP 0, implicit [[BITCAST]](s160)
     ; CI-HSA-LABEL: name: test_load_global_s160_align4
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; CI-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 16, addrspace 1)
+    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 16, addrspace 1)
     ; CI-HSA: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; CI-HSA: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; CI-HSA: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; CI-HSA: S_NOP 0, implicit [[BITCAST]](s160)
     ; CI-MESA-LABEL: name: test_load_global_s160_align4
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 16, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 16, addrspace 1)
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; CI-MESA: S_NOP 0, implicit [[BITCAST]](s160)
     ; VI-LABEL: name: test_load_global_s160_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 16, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 16, addrspace 1)
     ; VI: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; VI: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; VI: S_NOP 0, implicit [[BITCAST]](s160)
     ; GFX9-HSA-LABEL: name: test_load_global_s160_align4
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; GFX9-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 16, addrspace 1)
+    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 16, addrspace 1)
     ; GFX9-HSA: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; GFX9-HSA: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; GFX9-HSA: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; GFX9-HSA: S_NOP 0, implicit [[BITCAST]](s160)
     ; GFX9-MESA-LABEL: name: test_load_global_s160_align4
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 16, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 16, addrspace 1)
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<5 x s32>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; GFX9-MESA: [[INSERT1:%[0-9]+]]:_(<5 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 128
     ; GFX9-MESA: [[BITCAST:%[0-9]+]]:_(s160) = G_BITCAST [[INSERT1]](<5 x s32>)
     ; GFX9-MESA: S_NOP 0, implicit [[BITCAST]](s160)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s160) = G_LOAD %0 :: (load 20, align 4, addrspace 1)
     S_NOP 0, implicit %1
 ...
 
 ---
 name: test_load_global_s224_align4
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s224_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from undef + 16, align 4, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from unknown-address + 16, align 4, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 4 from undef + 24, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 4 from unknown-address + 24, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[LOAD1]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD2]](s32), 64
     ; SI: [[DEF1:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT2:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF1]], [[LOAD]](<4 x s32>), 0
     ; SI: [[INSERT3:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT2]], [[INSERT1]](<3 x s32>), 128
     ; SI: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT3]](<7 x s32>)
     ; SI: [[DEF2:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; SI: [[INSERT4:%[0-9]+]]:_(s256) = G_INSERT [[DEF2]], [[BITCAST]](s224), 0
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT4]](s256)
     ; CI-HSA-LABEL: name: test_load_global_s224_align4
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; CI-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 16, align 4, addrspace 1)
+    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 16, align 4, addrspace 1)
     ; CI-HSA: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; CI-HSA: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; CI-HSA: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; CI-HSA: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; CI-HSA: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; CI-HSA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     ; CI-MESA-LABEL: name: test_load_global_s224_align4
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 16, align 4, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 16, align 4, addrspace 1)
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; CI-MESA: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; CI-MESA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     ; VI-LABEL: name: test_load_global_s224_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 16, align 4, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 16, align 4, addrspace 1)
     ; VI: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; VI: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; VI: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; VI: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     ; GFX9-HSA-LABEL: name: test_load_global_s224_align4
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; GFX9-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 16, align 4, addrspace 1)
+    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 16, align 4, addrspace 1)
     ; GFX9-HSA: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; GFX9-HSA: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; GFX9-HSA: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; GFX9-HSA: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; GFX9-HSA: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     ; GFX9-MESA-LABEL: name: test_load_global_s224_align4
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 4, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 16, align 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 16, align 4, addrspace 1)
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<7 x s32>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[DEF]], [[LOAD]](<4 x s32>), 0
     ; GFX9-MESA: [[INSERT1:%[0-9]+]]:_(<7 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](<3 x s32>), 128
     ; GFX9-MESA: [[BITCAST:%[0-9]+]]:_(s224) = G_BITCAST [[INSERT1]](<7 x s32>)
     ; GFX9-MESA: [[DEF1:%[0-9]+]]:_(s256) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[INSERT2:%[0-9]+]]:_(s256) = G_INSERT [[DEF1]], [[BITCAST]](s224), 0
     ; GFX9-MESA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](s256)
     %0:_(p1) = COPY $vgpr0_vgpr1
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_s128_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; SI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; SI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; SI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; SI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; SI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
bb.0:
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 1, addrspace 1)
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[LOAD]](<4 x s32>)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; CI-MESA-LABEL: name: test_load_global_s128_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI-MESA: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI-MESA: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI-MESA: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI-MESA: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI-MESA: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI-MESA: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI-MESA: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; CI-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; CI-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; CI-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; CI-MESA: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI-MESA: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI-MESA: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI-MESA: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI-MESA: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI-MESA: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI-MESA: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI-MESA: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI-MESA: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI-MESA: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI-MESA: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI-MESA: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI-MESA: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI-MESA: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; VI-LABEL: name: test_load_global_s128_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
bb.0:
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 1, addrspace 1)
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[LOAD]](<4 x s32>)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; GFX9-MESA-LABEL: name: test_load_global_s128_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; GFX9-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9-MESA: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9-MESA: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9-MESA: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9-MESA: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9-MESA: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9-MESA: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; GFX9-MESA: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9-MESA: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9-MESA: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9-MESA: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9-MESA: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9-MESA: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9-MESA: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9-MESA: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_p1_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(p1) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](p1)
     ; CI-MESA-LABEL: name: test_load_global_p1_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI-MESA: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI-MESA: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; VI-LABEL: name: test_load_global_p1_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(p1) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](p1)
     ; GFX9-MESA-LABEL: name: test_load_global_p1_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_p4_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(p4) = G_LOAD [[COPY]](p1) :: (load 8, align 2, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](p4)
     ; CI-MESA-LABEL: name: test_load_global_p4_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI-MESA: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[MV]](p4)
     ; VI-LABEL: name: test_load_global_p4_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(p4) = G_LOAD [[COPY]](p1) :: (load 8, align 2, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](p4)
     ; GFX9-MESA-LABEL: name: test_load_global_p4_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_p4_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(p4) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](p4)
     ; CI-MESA-LABEL: name: test_load_global_p4_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI-MESA: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI-MESA: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[MV]](p4)
     ; VI-LABEL: name: test_load_global_p4_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(p4) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](p4)
     ; GFX9-MESA-LABEL: name: test_load_global_p4_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_p5_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR]](s32)
     ; SI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; CI-HSA-LABEL: name: test_load_global_p5_align2
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(p5) = G_LOAD [[COPY]](p1) :: (load 4, align 2, addrspace 1)
     ; CI-HSA: $vgpr0 = COPY [[LOAD]](p5)
     ; CI-MESA-LABEL: name: test_load_global_p5_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR]](s32)
     ; CI-MESA: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; VI-LABEL: name: test_load_global_p5_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR]](s32)
     ; VI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; GFX9-HSA-LABEL: name: test_load_global_p5_align2
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(p5) = G_LOAD [[COPY]](p1) :: (load 4, align 2, addrspace 1)
     ; GFX9-HSA: $vgpr0 = COPY [[LOAD]](p5)
     ; GFX9-MESA-LABEL: name: test_load_global_p5_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_p5_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(p5) = G_LOAD [[COPY]](p1) :: (load 4, align 1, addrspace 1)
     ; CI-HSA: $vgpr0 = COPY [[LOAD]](p5)
     ; CI-MESA-LABEL: name: test_load_global_p5_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI-MESA: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR2]](s32)
     ; CI-MESA: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; VI-LABEL: name: test_load_global_p5_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(p5) = G_LOAD [[COPY]](p1) :: (load 4, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0 = COPY [[LOAD]](p5)
     ; GFX9-MESA-LABEL: name: test_load_global_p5_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v2s8_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
bb.0:
     ; CI-HSA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI-HSA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; CI-HSA: $vgpr0 = COPY [[ANYEXT]](s32)
     ; CI-MESA-LABEL: name: test_load_global_v2s8_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; CI-MESA: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_global_v2s8_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-HSA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9-HSA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9-HSA: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-MESA-LABEL: name: test_load_global_v2s8_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; CI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; SI-LABEL: name: test_load_global_v4s8_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C1]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C2]](s32)
bb.0:
     ; CI-HSA: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; CI-HSA: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; CI-HSA: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; CI-MESA-LABEL: name: test_load_global_v4s8_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI-MESA: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; CI-MESA: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C1]](s32)
     ; CI-MESA: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C2]](s32)
     ; CI-MESA: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C3]](s32)
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; CI-MESA: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; VI-LABEL: name: test_load_global_v4s8_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C1]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C2]](s32)
bb.0:
     ; GFX9-HSA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9-HSA: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-HSA: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; GFX9-MESA-LABEL: name: test_load_global_v4s8_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9-MESA: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9-MESA: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; GFX9-MESA: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C1]](s32)
     ; GFX9-MESA: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[LOAD1]], [[C2]](s32)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v4s8_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; SI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; SI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; CI-HSA-LABEL: name: test_load_global_v4s8_align1
bb.0:
     ; CI-HSA: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; CI-HSA: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; CI-HSA: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; CI-MESA-LABEL: name: test_load_global_v4s8_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; CI-MESA: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; VI-LABEL: name: test_load_global_v4s8_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; VI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; GFX9-HSA-LABEL: name: test_load_global_v4s8_align1
bb.0:
     ; GFX9-HSA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9-HSA: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-HSA: $vgpr0 = COPY [[TRUNC]](<4 x s8>)
     ; GFX9-MESA-LABEL: name: test_load_global_v4s8_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
     ; GFX9-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[CONCAT_VECTORS]](<4 x s16>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v2s16_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; SI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; CI-HSA-LABEL: name: test_load_global_v2s16_align2
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p1) :: (load 4, align 2, addrspace 1)
     ; CI-HSA: $vgpr0 = COPY [[LOAD]](<2 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v2s16_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI-MESA: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; VI-LABEL: name: test_load_global_v2s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; GFX9-HSA-LABEL: name: test_load_global_v2s16_align2
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p1) :: (load 4, align 2, addrspace 1)
     ; GFX9-HSA: $vgpr0 = COPY [[LOAD]](<2 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v2s16_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9-MESA: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x s16>) = G_LOAD %0 :: (load 4, align 2, addrspace 1)
     $vgpr0 = COPY %1
 ...
bb.0:
     ; CI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND3]], [[TRUNC4]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR [[OR]](s16), [[OR1]](s16)
     ; CI: $vgpr0 = COPY [[BUILD_VECTOR]](<2 x s16>)
     ; SI-LABEL: name: test_load_global_v2s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; SI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; SI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; SI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; CI-HSA-LABEL: name: test_load_global_v2s16_align1
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p1) :: (load 4, align 1, addrspace 1)
     ; CI-HSA: $vgpr0 = COPY [[LOAD]](<2 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v2s16_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI-MESA: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI-MESA: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI-MESA: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI-MESA: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; VI-LABEL: name: test_load_global_v2s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; GFX9-HSA-LABEL: name: test_load_global_v2s16_align1
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p1) :: (load 4, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0 = COPY [[LOAD]](<2 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v2s16_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9-MESA: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9-MESA: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v3s16_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; SI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; SI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; SI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; SI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST]](<2 x s16>), 0
     ; SI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
bb.0:
     ; CI-HSA: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI-HSA: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF]], [[LOAD]](<3 x s16>), 0
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[INSERT]](<4 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v3s16_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI-MESA: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI-MESA: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST]](<2 x s16>), 0
     ; CI-MESA: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI-MESA: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; CI-MESA: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; CI-MESA: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; CI-MESA: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI-MESA: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; CI-MESA: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; VI-LABEL: name: test_load_global_v3s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; VI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST]](<2 x s16>), 0
     ; VI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
bb.0:
     ; GFX9-HSA: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9-HSA: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF]], [[LOAD]](<3 x s16>), 0
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[INSERT]](<4 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v3s16_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; GFX9-MESA: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; GFX9-MESA: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BUILD_VECTOR_TRUNC]](<2 x s16>), 0
     ; GFX9-MESA: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v3s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; SI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; SI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; SI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
bb.0:
     ; CI-HSA: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI-HSA: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF]], [[LOAD]](<3 x s16>), 0
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[INSERT]](<4 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v3s16_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI-MESA: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI-MESA: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI-MESA: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; CI-MESA: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
bb.0:
     ; CI-MESA: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; CI-MESA: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; VI-LABEL: name: test_load_global_v3s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; VI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
bb.0:
     ; GFX9-HSA: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9-HSA: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF]], [[LOAD]](<3 x s16>), 0
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[INSERT]](<4 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v3s16_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9-MESA: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9-MESA: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT]](s32), [[ANYEXT1]](s32)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; GFX9-MESA: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL2]]
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v4s16_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<4 x s16>) = G_LOAD [[COPY]](p1) :: (load 8, align 2, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](<4 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v4s16_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI-MESA: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; CI-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; VI-LABEL: name: test_load_global_v4s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<4 x s16>) = G_LOAD [[COPY]](p1) :: (load 8, align 2, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](<4 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v4s16_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
     ; GFX9-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9-MESA: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<4 x s16>) = G_LOAD %0 :: (load 8, align 2, addrspace 1)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_global_v4s16_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v4s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; SI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; SI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; SI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[COPY6]](s32)
     ; SI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[SHL4]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[TRUNC7]]
     ; SI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; SI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C5]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; SI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; SI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; CI-HSA-LABEL: name: test_load_global_v4s16_align1
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<4 x s16>) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](<4 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v4s16_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI-MESA: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI-MESA: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI-MESA: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; CI-MESA: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[COPY6]](s32)
     ; CI-MESA: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[SHL4]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[TRUNC7]]
     ; CI-MESA: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI-MESA: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C5]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI-MESA: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; CI-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; VI-LABEL: name: test_load_global_v4s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; VI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; VI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; VI: [[SHL4:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; VI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C4]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-HSA-LABEL: name: test_load_global_v4s16_align1
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<4 x s16>) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](<4 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v4s16_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9-MESA: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9-MESA: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT]](s32), [[ANYEXT1]](s32)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; GFX9-MESA: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL2]]
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; GFX9-MESA: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; GFX9-MESA: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL3]]
     ; GFX9-MESA: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[OR2]](s16)
     ; GFX9-MESA: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[OR3]](s16)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v5s16_align8
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<4 x s16>) = G_LOAD [[COPY]](p1) :: (load 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 8, align 8, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 8, align 8, addrspace 1)
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; SI: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; SI: [[DEF1:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[DEF]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
     ; SI: [[UV:%[0-9]+]]:_(<5 x s16>), [[UV1:%[0-9]+]]:_(<5 x s16>), [[UV2:%[0-9]+]]:_(<5 x s16>), [[UV3:%[0-9]+]]:_(<5 x s16>), [[UV4:%[0-9]+]]:_(<5 x s16>), [[UV5:%[0-9]+]]:_(<5 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<30 x s16>)
     ; SI: [[INSERT:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[DEF1]], [[UV]](<5 x s16>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[INSERT]], [[LOAD]](<4 x s16>), 0
     ; SI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v5s16_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<4 x s16>) = G_LOAD [[COPY]](p1) :: (load 8, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 8, align 4, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 8, align 4, addrspace 1)
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; SI: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; SI: [[DEF1:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[DEF]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
     ; SI: [[UV:%[0-9]+]]:_(<5 x s16>), [[UV1:%[0-9]+]]:_(<5 x s16>), [[UV2:%[0-9]+]]:_(<5 x s16>), [[UV3:%[0-9]+]]:_(<5 x s16>), [[UV4:%[0-9]+]]:_(<5 x s16>), [[UV5:%[0-9]+]]:_(<5 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<30 x s16>)
     ; SI: [[INSERT:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[DEF1]], [[UV]](<5 x s16>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[INSERT]], [[LOAD]](<4 x s16>), 0
     ; SI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v5s16_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; SI: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; SI: [[DEF1:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; SI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[DEF]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
     ; SI: [[UV:%[0-9]+]]:_(<5 x s16>), [[UV1:%[0-9]+]]:_(<5 x s16>), [[UV2:%[0-9]+]]:_(<5 x s16>), [[UV3:%[0-9]+]]:_(<5 x s16>), [[UV4:%[0-9]+]]:_(<5 x s16>), [[UV5:%[0-9]+]]:_(<5 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<30 x s16>)
     ; SI: [[INSERT:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[DEF1]], [[UV]](<5 x s16>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[INSERT]], [[CONCAT_VECTORS]](<4 x s16>), 0
     ; SI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
bb.0:
     ; CI-HSA: $vgpr0 = COPY [[UV6]](<2 x s16>)
     ; CI-HSA: $vgpr1 = COPY [[UV7]](<2 x s16>)
     ; CI-HSA: $vgpr2 = COPY [[UV8]](<2 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v5s16_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI-MESA: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; CI-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; CI-MESA: [[DEF1:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; CI-MESA: [[CONCAT_VECTORS1:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[DEF]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
     ; CI-MESA: [[UV:%[0-9]+]]:_(<5 x s16>), [[UV1:%[0-9]+]]:_(<5 x s16>), [[UV2:%[0-9]+]]:_(<5 x s16>), [[UV3:%[0-9]+]]:_(<5 x s16>), [[UV4:%[0-9]+]]:_(<5 x s16>), [[UV5:%[0-9]+]]:_(<5 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<30 x s16>)
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[DEF1]], [[UV]](<5 x s16>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[INSERT]], [[CONCAT_VECTORS]](<4 x s16>), 0
     ; CI-MESA: [[CONCAT_VECTORS2:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
bb.0:
     ; CI-MESA: $vgpr0 = COPY [[BITCAST6]](<2 x s16>)
     ; CI-MESA: $vgpr1 = COPY [[BITCAST7]](<2 x s16>)
     ; CI-MESA: $vgpr2 = COPY [[BITCAST8]](<2 x s16>)
     ; VI-LABEL: name: test_load_global_v5s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; VI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[DEF]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
     ; VI: [[UV:%[0-9]+]]:_(<5 x s16>), [[UV1:%[0-9]+]]:_(<5 x s16>), [[UV2:%[0-9]+]]:_(<5 x s16>), [[UV3:%[0-9]+]]:_(<5 x s16>), [[UV4:%[0-9]+]]:_(<5 x s16>), [[UV5:%[0-9]+]]:_(<5 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<30 x s16>)
     ; VI: [[INSERT:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[DEF1]], [[UV]](<5 x s16>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[INSERT]], [[CONCAT_VECTORS]](<4 x s16>), 0
     ; VI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
bb.0:
     ; GFX9-HSA: $vgpr0 = COPY [[UV6]](<2 x s16>)
     ; GFX9-HSA: $vgpr1 = COPY [[UV7]](<2 x s16>)
     ; GFX9-HSA: $vgpr2 = COPY [[UV8]](<2 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v5s16_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
     ; GFX9-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[DEF1:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[CONCAT_VECTORS1:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[DEF]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
     ; GFX9-MESA: [[UV:%[0-9]+]]:_(<5 x s16>), [[UV1:%[0-9]+]]:_(<5 x s16>), [[UV2:%[0-9]+]]:_(<5 x s16>), [[UV3:%[0-9]+]]:_(<5 x s16>), [[UV4:%[0-9]+]]:_(<5 x s16>), [[UV5:%[0-9]+]]:_(<5 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<30 x s16>)
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[DEF1]], [[UV]](<5 x s16>), 0
     ; GFX9-MESA: [[INSERT1:%[0-9]+]]:_(<6 x s16>) = G_INSERT [[INSERT]], [[CONCAT_VECTORS]](<4 x s16>), 0
     ; GFX9-MESA: [[CONCAT_VECTORS2:%[0-9]+]]:_(<30 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>), [[DEF1]](<6 x s16>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v5s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; SI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; SI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; SI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[COPY6]](s32)
     ; SI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[SHL4]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[TRUNC7]]
     ; SI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; SI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C5]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; SI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; SI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C1]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; SI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI-HSA: $vgpr0 = COPY [[UV6]](<2 x s16>)
     ; CI-HSA: $vgpr1 = COPY [[UV7]](<2 x s16>)
     ; CI-HSA: $vgpr2 = COPY [[UV8]](<2 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v5s16_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI-MESA: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI-MESA: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI-MESA: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; CI-MESA: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[COPY6]](s32)
     ; CI-MESA: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[SHL4]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[TRUNC7]]
     ; CI-MESA: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI-MESA: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C5]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI-MESA: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; CI-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI-MESA: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C1]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI-MESA: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI-MESA: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI-MESA: $vgpr0 = COPY [[BITCAST6]](<2 x s16>)
     ; CI-MESA: $vgpr1 = COPY [[BITCAST7]](<2 x s16>)
     ; CI-MESA: $vgpr2 = COPY [[BITCAST8]](<2 x s16>)
     ; VI-LABEL: name: test_load_global_v5s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; VI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; VI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; VI: [[SHL4:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; VI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C4]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C1]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C1]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C2]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
bb.0:
     ; GFX9-HSA: $vgpr0 = COPY [[UV6]](<2 x s16>)
     ; GFX9-HSA: $vgpr1 = COPY [[UV7]](<2 x s16>)
     ; GFX9-HSA: $vgpr2 = COPY [[UV8]](<2 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v5s16_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9-MESA: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9-MESA: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT]](s32), [[ANYEXT1]](s32)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; GFX9-MESA: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL2]]
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; GFX9-MESA: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; GFX9-MESA: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL3]]
     ; GFX9-MESA: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[OR2]](s16)
     ; GFX9-MESA: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[OR3]](s16)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT2]](s32), [[ANYEXT3]](s32)
     ; GFX9-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9-MESA: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C1]]
     ; GFX9-MESA: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C1]]
     ; GFX9-MESA: [[SHL4:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C2]](s16)
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL4]]
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[DEF1:%[0-9]+]]:_(<6 x s16>) = G_IMPLICIT_DEF
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v6s16_align8
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[COPY]](p1) :: (load 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 8, align 8, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 8, align 8, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; SI: [[BITCAST:%[0-9]+]]:_(<6 x s16>) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](<6 x s16>)
     ; CI-HSA-LABEL: name: test_load_global_v6s16_align8
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 8, addrspace 1)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v6s16_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[COPY]](p1) :: (load 8, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 8, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 8, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; SI: [[BITCAST:%[0-9]+]]:_(<6 x s16>) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](<6 x s16>)
     ; CI-HSA-LABEL: name: test_load_global_v6s16_align4
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 4, addrspace 1)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v6s16_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; SI: [[BITCAST:%[0-9]+]]:_(<6 x s16>) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](<6 x s16>)
     ; CI-HSA-LABEL: name: test_load_global_v6s16_align2
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 2, addrspace 1)
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(<6 x s16>) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](<6 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v6s16_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<6 x s16>) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](<6 x s16>)
     ; VI-LABEL: name: test_load_global_v6s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; VI: [[BITCAST:%[0-9]+]]:_(<6 x s16>) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](<6 x s16>)
     ; GFX9-HSA-LABEL: name: test_load_global_v6s16_align2
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 2, addrspace 1)
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(<6 x s16>) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](<6 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v6s16_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v6s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
bb.0:
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 1, addrspace 1)
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(<6 x s16>) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](<6 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v6s16_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; CI-MESA: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI-MESA: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI-MESA: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI-MESA: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI-MESA: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI-MESA: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<6 x s16>) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](<6 x s16>)
     ; VI-LABEL: name: test_load_global_v6s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
bb.0:
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 1, addrspace 1)
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(<6 x s16>) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](<6 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v6s16_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; GFX9-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9-MESA: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v7s16_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; SI: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; SI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; SI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; SI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; SI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; SI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST2]](<2 x s16>), 0
     ; SI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
bb.0:
     ; CI-HSA: $vgpr1 = COPY [[UV9]](<2 x s16>)
     ; CI-HSA: $vgpr2 = COPY [[UV10]](<2 x s16>)
     ; CI-HSA: $vgpr3 = COPY [[UV11]](<2 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v7s16_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI-MESA: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; CI-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI-MESA: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI-MESA: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI-MESA: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI-MESA: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST2]](<2 x s16>), 0
     ; CI-MESA: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
bb.0:
     ; CI-MESA: $vgpr1 = COPY [[BITCAST9]](<2 x s16>)
     ; CI-MESA: $vgpr2 = COPY [[BITCAST10]](<2 x s16>)
     ; CI-MESA: $vgpr3 = COPY [[BITCAST11]](<2 x s16>)
     ; VI-LABEL: name: test_load_global_v7s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; VI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST2]](<2 x s16>), 0
     ; VI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
bb.0:
     ; GFX9-HSA: $vgpr1 = COPY [[UV9]](<2 x s16>)
     ; GFX9-HSA: $vgpr2 = COPY [[UV10]](<2 x s16>)
     ; GFX9-HSA: $vgpr3 = COPY [[UV11]](<2 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v7s16_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
     ; GFX9-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC2:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY5]](s32), [[COPY6]](s32)
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; GFX9-MESA: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; GFX9-MESA: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BUILD_VECTOR_TRUNC2]](<2 x s16>), 0
     ; GFX9-MESA: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v7s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; SI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; SI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; SI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[COPY6]](s32)
     ; SI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[SHL4]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[TRUNC7]]
     ; SI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; SI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C5]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; SI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; SI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C1]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; SI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; SI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C1]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[COPY10]](s32)
     ; SI: [[TRUNC11:%[0-9]+]]:_(s16) = G_TRUNC [[SHL7]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s16) = G_OR [[AND10]], [[TRUNC11]]
     ; SI: [[ZEXT4:%[0-9]+]]:_(s32) = G_ZEXT [[OR6]](s16)
     ; SI: [[ZEXT5:%[0-9]+]]:_(s32) = G_ZEXT [[OR7]](s16)
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[ZEXT5]], [[C5]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL8]]
     ; SI: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR8]](s32)
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; SI: [[TRUNC12:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD12]](s32)
     ; SI: [[AND12:%[0-9]+]]:_(s16) = G_AND [[TRUNC12]], [[C1]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; SI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; SI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[COPY12]](s32)
     ; SI: [[TRUNC13:%[0-9]+]]:_(s16) = G_TRUNC [[SHL9]](s32)
     ; SI: [[OR9:%[0-9]+]]:_(s16) = G_OR [[AND12]], [[TRUNC13]]
bb.0:
     ; CI-HSA: $vgpr1 = COPY [[UV9]](<2 x s16>)
     ; CI-HSA: $vgpr2 = COPY [[UV10]](<2 x s16>)
     ; CI-HSA: $vgpr3 = COPY [[UV11]](<2 x s16>)
     ; CI-MESA-LABEL: name: test_load_global_v7s16_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI-MESA: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI-MESA: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI-MESA: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; CI-MESA: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[COPY6]](s32)
     ; CI-MESA: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[SHL4]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[TRUNC7]]
     ; CI-MESA: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI-MESA: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C5]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI-MESA: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; CI-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI-MESA: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C1]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI-MESA: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI-MESA: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
     ; CI-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; CI-MESA: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; CI-MESA: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C1]]
     ; CI-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI-MESA: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[COPY10]](s32)
     ; CI-MESA: [[TRUNC11:%[0-9]+]]:_(s16) = G_TRUNC [[SHL7]](s32)
     ; CI-MESA: [[OR7:%[0-9]+]]:_(s16) = G_OR [[AND10]], [[TRUNC11]]
     ; CI-MESA: [[ZEXT4:%[0-9]+]]:_(s32) = G_ZEXT [[OR6]](s16)
     ; CI-MESA: [[ZEXT5:%[0-9]+]]:_(s32) = G_ZEXT [[OR7]](s16)
     ; CI-MESA: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[ZEXT5]], [[C5]](s32)
     ; CI-MESA: [[OR8:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL8]]
     ; CI-MESA: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR8]](s32)
     ; CI-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; CI-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; CI-MESA: [[TRUNC12:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD12]](s32)
     ; CI-MESA: [[AND12:%[0-9]+]]:_(s16) = G_AND [[TRUNC12]], [[C1]]
     ; CI-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI-MESA: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI-MESA: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI-MESA: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[COPY12]](s32)
     ; CI-MESA: [[TRUNC13:%[0-9]+]]:_(s16) = G_TRUNC [[SHL9]](s32)
     ; CI-MESA: [[OR9:%[0-9]+]]:_(s16) = G_OR [[AND12]], [[TRUNC13]]
bb.0:
     ; CI-MESA: $vgpr1 = COPY [[BITCAST9]](<2 x s16>)
     ; CI-MESA: $vgpr2 = COPY [[BITCAST10]](<2 x s16>)
     ; CI-MESA: $vgpr3 = COPY [[BITCAST11]](<2 x s16>)
     ; VI-LABEL: name: test_load_global_v7s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; VI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; VI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; VI: [[SHL4:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; VI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C4]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C1]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C1]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C2]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; VI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C1]]
     ; VI: [[TRUNC11:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s16) = G_AND [[TRUNC11]], [[C1]]
     ; VI: [[SHL7:%[0-9]+]]:_(s16) = G_SHL [[AND11]], [[C2]](s16)
     ; VI: [[OR7:%[0-9]+]]:_(s16) = G_OR [[AND10]], [[SHL7]]
     ; VI: [[ZEXT4:%[0-9]+]]:_(s32) = G_ZEXT [[OR6]](s16)
     ; VI: [[ZEXT5:%[0-9]+]]:_(s32) = G_ZEXT [[OR7]](s16)
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[ZEXT5]], [[C4]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL8]]
     ; VI: [[BITCAST2:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR8]](s32)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; VI: [[TRUNC12:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s16) = G_AND [[TRUNC12]], [[C1]]
     ; VI: [[TRUNC13:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s16) = G_AND [[TRUNC13]], [[C1]]
     ; VI: [[SHL9:%[0-9]+]]:_(s16) = G_SHL [[AND13]], [[C2]](s16)
     ; VI: [[OR9:%[0-9]+]]:_(s16) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
bb.0:
     ; GFX9-HSA: $vgpr1 = COPY [[UV9]](<2 x s16>)
     ; GFX9-HSA: $vgpr2 = COPY [[UV10]](<2 x s16>)
     ; GFX9-HSA: $vgpr3 = COPY [[UV11]](<2 x s16>)
     ; GFX9-MESA-LABEL: name: test_load_global_v7s16_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9-MESA: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9-MESA: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9-MESA: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT]](s32), [[ANYEXT1]](s32)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; GFX9-MESA: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL2]]
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; GFX9-MESA: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; GFX9-MESA: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL3]]
     ; GFX9-MESA: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[OR2]](s16)
     ; GFX9-MESA: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[OR3]](s16)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT2]](s32), [[ANYEXT3]](s32)
     ; GFX9-MESA: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9-MESA: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C1]]
     ; GFX9-MESA: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C1]]
     ; GFX9-MESA: [[SHL4:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C2]](s16)
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL4]]
     ; GFX9-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; GFX9-MESA: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; GFX9-MESA: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C1]]
     ; GFX9-MESA: [[TRUNC11:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD11]](s32)
     ; GFX9-MESA: [[AND11:%[0-9]+]]:_(s16) = G_AND [[TRUNC11]], [[C1]]
     ; GFX9-MESA: [[SHL5:%[0-9]+]]:_(s16) = G_SHL [[AND11]], [[C2]](s16)
     ; GFX9-MESA: [[OR5:%[0-9]+]]:_(s16) = G_OR [[AND10]], [[SHL5]]
     ; GFX9-MESA: [[ANYEXT4:%[0-9]+]]:_(s32) = G_ANYEXT [[OR4]](s16)
     ; GFX9-MESA: [[ANYEXT5:%[0-9]+]]:_(s32) = G_ANYEXT [[OR5]](s16)
     ; GFX9-MESA: [[BUILD_VECTOR_TRUNC2:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT4]](s32), [[ANYEXT5]](s32)
     ; GFX9-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; GFX9-MESA: [[TRUNC12:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD12]](s32)
     ; GFX9-MESA: [[AND12:%[0-9]+]]:_(s16) = G_AND [[TRUNC12]], [[C1]]
     ; GFX9-MESA: [[TRUNC13:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD13]](s32)
     ; GFX9-MESA: [[AND13:%[0-9]+]]:_(s16) = G_AND [[TRUNC13]], [[C1]]
     ; GFX9-MESA: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND13]], [[C2]](s16)
     ; GFX9-MESA: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND12]], [[SHL6]]
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v2s32_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; CI-HSA-LABEL: name: test_load_global_v2s32_align2
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[COPY]](p1) :: (load 8, align 2, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](<2 x s32>)
     ; CI-MESA-LABEL: name: test_load_global_v2s32_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; VI-LABEL: name: test_load_global_v2s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; GFX9-HSA-LABEL: name: test_load_global_v2s32_align2
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[COPY]](p1) :: (load 8, align 2, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](<2 x s32>)
     ; GFX9-MESA-LABEL: name: test_load_global_v2s32_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; GFX9-MESA: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x s32>) = G_LOAD %0 :: (load 8, align 2, addrspace 1)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_global_v2s32_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v2s32_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](<2 x s32>)
     ; CI-MESA-LABEL: name: test_load_global_v2s32_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; VI-LABEL: name: test_load_global_v2s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](<2 x s32>)
     ; GFX9-MESA-LABEL: name: test_load_global_v2s32_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v3s32_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[COPY]](p1) :: (load 8, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 8, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 8, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[INSERT1]](<3 x s32>)
     ; CI-HSA-LABEL: name: test_load_global_v3s32_align4
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 4, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[LOAD]](<3 x s32>)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v2s64_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from undef + 14, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from unknown-address + 14, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; SI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR3]](s32)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; CI-HSA-LABEL: name: test_load_global_v2s64_align2
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 2, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[LOAD]](<2 x s64>)
     ; CI-MESA-LABEL: name: test_load_global_v2s64_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI-MESA: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from undef + 14, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from unknown-address + 14, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C4]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; CI-MESA: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR3]](s32)
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; VI-LABEL: name: test_load_global_v2s64_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from undef + 14, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from unknown-address + 14, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR3]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; GFX9-HSA-LABEL: name: test_load_global_v2s64_align2
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 2, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[LOAD]](<2 x s64>)
     ; GFX9-MESA-LABEL: name: test_load_global_v2s64_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C4]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9-MESA: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from undef + 14, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from unknown-address + 14, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v2s64_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; SI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; SI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; SI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; SI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; SI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 1, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[LOAD]](<2 x s64>)
     ; CI-MESA-LABEL: name: test_load_global_v2s64_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI-MESA: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; CI-MESA: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; CI-MESA: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI-MESA: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI-MESA: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; CI-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; CI-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; CI-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; CI-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; CI-MESA: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; CI-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI-MESA: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI-MESA: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI-MESA: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; VI-LABEL: name: test_load_global_v2s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[LOAD]](<2 x s64>)
     ; GFX9-MESA-LABEL: name: test_load_global_v2s64_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; GFX9-MESA: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; GFX9-MESA: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; GFX9-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; GFX9-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; GFX9-MESA: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; GFX9-MESA: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; GFX9-MESA: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; GFX9-MESA: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; GFX9-MESA: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; GFX9-MESA: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; GFX9-MESA: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; GFX9-MESA: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v3s64_align8
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from undef + 16, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from unknown-address + 16, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; SI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; SI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; CI-HSA-LABEL: name: test_load_global_v3s64_align8
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 8, addrspace 1)
     ; CI-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from undef + 16, addrspace 1)
+    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from unknown-address + 16, addrspace 1)
     ; CI-HSA: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; CI-HSA: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; CI-HSA: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; CI-HSA: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; CI-HSA: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; CI-HSA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; CI-MESA-LABEL: name: test_load_global_v3s64_align8
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 8, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from undef + 16, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from unknown-address + 16, addrspace 1)
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; CI-MESA: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; CI-MESA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; VI-LABEL: name: test_load_global_v3s64_align8
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 8, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from undef + 16, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from unknown-address + 16, addrspace 1)
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; GFX9-HSA-LABEL: name: test_load_global_v3s64_align8
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 8, addrspace 1)
     ; GFX9-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from undef + 16, addrspace 1)
+    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from unknown-address + 16, addrspace 1)
     ; GFX9-HSA: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; GFX9-HSA: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; GFX9-HSA: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; GFX9-HSA: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; GFX9-HSA: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; GFX9-MESA-LABEL: name: test_load_global_v3s64_align8
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 8, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from undef + 16, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from unknown-address + 16, addrspace 1)
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; GFX9-MESA: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; GFX9-MESA: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; GFX9-MESA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s64>) = G_LOAD %0 :: (load 24, align 8, addrspace 1)
     %2:_(<4 x s64>) = G_IMPLICIT_DEF
     %3:_(<4 x s64>) = G_INSERT %2, %1, 0
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %3
 ...
 
 ---
 name: test_load_global_v3s64_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v3s64_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; SI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; SI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; SI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; SI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; SI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; SI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; SI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; SI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C10]](s32)
     ; SI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; SI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; SI: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; SI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; SI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; SI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; SI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; SI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; SI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; SI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; SI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; SI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; SI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; SI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; SI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; SI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; SI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; SI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; SI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; SI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; SI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; SI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; SI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; SI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; SI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; SI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; SI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C9]]
     ; SI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[COPY16]](s32)
     ; SI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[SHL12]](s32)
     ; SI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[TRUNC17]]
bb.0:
     ; SI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; SI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; CI-HSA-LABEL: name: test_load_global_v3s64_align1
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 1, addrspace 1)
     ; CI-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from undef + 16, align 1, addrspace 1)
+    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from unknown-address + 16, align 1, addrspace 1)
     ; CI-HSA: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; CI-HSA: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; CI-HSA: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; CI-HSA: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; CI-HSA: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; CI-HSA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; CI-MESA-LABEL: name: test_load_global_v3s64_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI-MESA: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; CI-MESA: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; CI-MESA: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI-MESA: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI-MESA: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; CI-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; CI-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; CI-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; CI-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; CI-MESA: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; CI-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI-MESA: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI-MESA: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI-MESA: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; CI-MESA: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; CI-MESA: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C10]](s32)
     ; CI-MESA: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; CI-MESA: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI-MESA: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI-MESA: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; CI-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; CI-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; CI-MESA: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; CI-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; CI-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; CI-MESA: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; CI-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; CI-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; CI-MESA: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; CI-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; CI-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; CI-MESA: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; CI-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; CI-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; CI-MESA: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; CI-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; CI-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; CI-MESA: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; CI-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; CI-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; CI-MESA: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; CI-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; CI-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; CI-MESA: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; CI-MESA: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; CI-MESA: [[COPY16:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; CI-MESA: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C9]]
     ; CI-MESA: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[COPY16]](s32)
     ; CI-MESA: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[SHL12]](s32)
     ; CI-MESA: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[TRUNC17]]
bb.0:
     ; CI-MESA: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; CI-MESA: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; CI-MESA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; VI-LABEL: name: test_load_global_v3s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; VI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; VI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; VI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; VI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; VI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; VI: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; VI: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; VI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; VI: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; VI: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
bb.0:
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; GFX9-HSA-LABEL: name: test_load_global_v3s64_align1
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<2 x s64>) = G_LOAD [[COPY]](p1) :: (load 16, align 1, addrspace 1)
     ; GFX9-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from undef + 16, align 1, addrspace 1)
+    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from unknown-address + 16, align 1, addrspace 1)
     ; GFX9-HSA: [[DEF:%[0-9]+]]:_(<3 x s64>) = G_IMPLICIT_DEF
     ; GFX9-HSA: [[INSERT:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[DEF]], [[LOAD]](<2 x s64>), 0
     ; GFX9-HSA: [[INSERT1:%[0-9]+]]:_(<3 x s64>) = G_INSERT [[INSERT]], [[LOAD1]](s64), 128
     ; GFX9-HSA: [[DEF1:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; GFX9-HSA: [[INSERT2:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF1]], [[INSERT1]](<3 x s64>), 0
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT2]](<4 x s64>)
     ; GFX9-MESA-LABEL: name: test_load_global_v3s64_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; GFX9-MESA: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; GFX9-MESA: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; GFX9-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; GFX9-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; GFX9-MESA: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; GFX9-MESA: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; GFX9-MESA: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; GFX9-MESA: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; GFX9-MESA: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; GFX9-MESA: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; GFX9-MESA: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; GFX9-MESA: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; GFX9-MESA: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; GFX9-MESA: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; GFX9-MESA: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; GFX9-MESA: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; GFX9-MESA: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; GFX9-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; GFX9-MESA: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9-MESA: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; GFX9-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; GFX9-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; GFX9-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; GFX9-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; GFX9-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; GFX9-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; GFX9-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; GFX9-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; GFX9-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; GFX9-MESA: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; GFX9-MESA: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; GFX9-MESA: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; GFX9-MESA: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; GFX9-MESA: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; GFX9-MESA: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; GFX9-MESA: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; GFX9-MESA: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v4s64_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; SI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; SI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; SI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; SI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; SI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; SI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL10]]
     ; SI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; SI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; SI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C10]](s32)
     ; SI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; SI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; SI: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; SI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; SI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; SI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; SI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; SI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; SI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; SI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; SI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; SI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; SI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; SI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; SI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; SI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; SI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; SI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; SI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; SI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; SI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; SI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; SI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; SI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; SI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; SI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; SI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C9]]
     ; SI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[COPY16]](s32)
     ; SI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[SHL12]](s32)
     ; SI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[TRUNC17]]
bb.0:
     ; SI: [[OR16:%[0-9]+]]:_(s32) = G_OR [[ZEXT8]], [[SHL16]]
     ; SI: [[ZEXT10:%[0-9]+]]:_(s32) = G_ZEXT [[OR14]](s16)
     ; SI: [[ZEXT11:%[0-9]+]]:_(s32) = G_ZEXT [[OR15]](s16)
     ; SI: [[SHL17:%[0-9]+]]:_(s32) = G_SHL [[ZEXT11]], [[C10]](s32)
     ; SI: [[OR17:%[0-9]+]]:_(s32) = G_OR [[ZEXT10]], [[SHL17]]
     ; SI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR16]](s32), [[OR17]](s32)
     ; SI: [[C13:%[0-9]+]]:_(s64) = G_CONSTANT i64 24
     ; SI: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C13]](s64)
-    ; SI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p1) :: (load 1 from undef + 24, addrspace 1)
+    ; SI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p1) :: (load 1 from unknown-address + 24, addrspace 1)
     ; SI: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C]](s64)
-    ; SI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p1) :: (load 1 from undef + 25, addrspace 1)
+    ; SI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p1) :: (load 1 from unknown-address + 25, addrspace 1)
     ; SI: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C1]](s64)
-    ; SI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p1) :: (load 1 from undef + 26, addrspace 1)
+    ; SI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p1) :: (load 1 from unknown-address + 26, addrspace 1)
     ; SI: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C2]](s64)
-    ; SI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p1) :: (load 1 from undef + 27, addrspace 1)
+    ; SI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p1) :: (load 1 from unknown-address + 27, addrspace 1)
     ; SI: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
-    ; SI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p1) :: (load 1 from undef + 28, addrspace 1)
+    ; SI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p1) :: (load 1 from unknown-address + 28, addrspace 1)
     ; SI: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
-    ; SI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p1) :: (load 1 from undef + 29, addrspace 1)
+    ; SI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p1) :: (load 1 from unknown-address + 29, addrspace 1)
     ; SI: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
-    ; SI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p1) :: (load 1 from undef + 30, addrspace 1)
+    ; SI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p1) :: (load 1 from unknown-address + 30, addrspace 1)
     ; SI: [[PTR_ADD30:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C6]](s64)
-    ; SI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p1) :: (load 1 from undef + 31, addrspace 1)
+    ; SI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p1) :: (load 1 from unknown-address + 31, addrspace 1)
     ; SI: [[TRUNC24:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD24]](s32)
     ; SI: [[AND24:%[0-9]+]]:_(s16) = G_AND [[TRUNC24]], [[C7]]
     ; SI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; SI: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LOAD25]](s32)
     ; SI: [[AND25:%[0-9]+]]:_(s32) = G_AND [[COPY25]], [[C9]]
     ; SI: [[SHL18:%[0-9]+]]:_(s32) = G_SHL [[AND25]], [[COPY24]](s32)
     ; SI: [[TRUNC25:%[0-9]+]]:_(s16) = G_TRUNC [[SHL18]](s32)
     ; SI: [[OR18:%[0-9]+]]:_(s16) = G_OR [[AND24]], [[TRUNC25]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<4 x s64>) = G_LOAD [[COPY]](p1) :: (load 32, align 1, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[LOAD]](<4 x s64>)
     ; CI-MESA-LABEL: name: test_load_global_v4s64_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; CI-MESA: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[C9:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C9]]
bb.0:
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; CI-MESA: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; CI-MESA: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C10]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI-MESA: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; CI-MESA: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; CI-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; CI-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; CI-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; CI-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; CI-MESA: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C9]]
     ; CI-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[COPY8]](s32)
     ; CI-MESA: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[SHL6]](s32)
     ; CI-MESA: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[TRUNC9]]
bb.0:
     ; CI-MESA: [[OR10:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL10]]
     ; CI-MESA: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; CI-MESA: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; CI-MESA: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C10]](s32)
     ; CI-MESA: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; CI-MESA: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; CI-MESA: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI-MESA: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; CI-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; CI-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; CI-MESA: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; CI-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; CI-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; CI-MESA: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; CI-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; CI-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; CI-MESA: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; CI-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; CI-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; CI-MESA: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; CI-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; CI-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; CI-MESA: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; CI-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; CI-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; CI-MESA: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; CI-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; CI-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; CI-MESA: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; CI-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; CI-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; CI-MESA: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; CI-MESA: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; CI-MESA: [[COPY16:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; CI-MESA: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C9]]
     ; CI-MESA: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[COPY16]](s32)
     ; CI-MESA: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[SHL12]](s32)
     ; CI-MESA: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[TRUNC17]]
bb.0:
     ; CI-MESA: [[OR16:%[0-9]+]]:_(s32) = G_OR [[ZEXT8]], [[SHL16]]
     ; CI-MESA: [[ZEXT10:%[0-9]+]]:_(s32) = G_ZEXT [[OR14]](s16)
     ; CI-MESA: [[ZEXT11:%[0-9]+]]:_(s32) = G_ZEXT [[OR15]](s16)
     ; CI-MESA: [[SHL17:%[0-9]+]]:_(s32) = G_SHL [[ZEXT11]], [[C10]](s32)
     ; CI-MESA: [[OR17:%[0-9]+]]:_(s32) = G_OR [[ZEXT10]], [[SHL17]]
     ; CI-MESA: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR16]](s32), [[OR17]](s32)
     ; CI-MESA: [[C13:%[0-9]+]]:_(s64) = G_CONSTANT i64 24
     ; CI-MESA: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C13]](s64)
-    ; CI-MESA: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p1) :: (load 1 from undef + 24, addrspace 1)
+    ; CI-MESA: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p1) :: (load 1 from unknown-address + 24, addrspace 1)
     ; CI-MESA: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C]](s64)
-    ; CI-MESA: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p1) :: (load 1 from undef + 25, addrspace 1)
+    ; CI-MESA: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p1) :: (load 1 from unknown-address + 25, addrspace 1)
     ; CI-MESA: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C1]](s64)
-    ; CI-MESA: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p1) :: (load 1 from undef + 26, addrspace 1)
+    ; CI-MESA: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p1) :: (load 1 from unknown-address + 26, addrspace 1)
     ; CI-MESA: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C2]](s64)
-    ; CI-MESA: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p1) :: (load 1 from undef + 27, addrspace 1)
+    ; CI-MESA: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p1) :: (load 1 from unknown-address + 27, addrspace 1)
     ; CI-MESA: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
-    ; CI-MESA: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p1) :: (load 1 from undef + 28, addrspace 1)
+    ; CI-MESA: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p1) :: (load 1 from unknown-address + 28, addrspace 1)
     ; CI-MESA: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
-    ; CI-MESA: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p1) :: (load 1 from undef + 29, addrspace 1)
+    ; CI-MESA: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p1) :: (load 1 from unknown-address + 29, addrspace 1)
     ; CI-MESA: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
-    ; CI-MESA: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p1) :: (load 1 from undef + 30, addrspace 1)
+    ; CI-MESA: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p1) :: (load 1 from unknown-address + 30, addrspace 1)
     ; CI-MESA: [[PTR_ADD30:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C6]](s64)
-    ; CI-MESA: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p1) :: (load 1 from undef + 31, addrspace 1)
+    ; CI-MESA: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p1) :: (load 1 from unknown-address + 31, addrspace 1)
     ; CI-MESA: [[TRUNC24:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD24]](s32)
     ; CI-MESA: [[AND24:%[0-9]+]]:_(s16) = G_AND [[TRUNC24]], [[C7]]
     ; CI-MESA: [[COPY24:%[0-9]+]]:_(s32) = COPY [[C8]](s32)
     ; CI-MESA: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LOAD25]](s32)
     ; CI-MESA: [[AND25:%[0-9]+]]:_(s32) = G_AND [[COPY25]], [[C9]]
     ; CI-MESA: [[SHL18:%[0-9]+]]:_(s32) = G_SHL [[AND25]], [[COPY24]](s32)
     ; CI-MESA: [[TRUNC25:%[0-9]+]]:_(s16) = G_TRUNC [[SHL18]](s32)
     ; CI-MESA: [[OR18:%[0-9]+]]:_(s16) = G_OR [[AND24]], [[TRUNC25]]
bb.0:
     ; CI-MESA: [[MV3:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR22]](s32), [[OR23]](s32)
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64), [[MV3]](s64)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BUILD_VECTOR]](<4 x s64>)
     ; VI-LABEL: name: test_load_global_v4s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; VI: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; VI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; VI: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; VI: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; VI: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; VI: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL10]]
     ; VI: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; VI: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; VI: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; VI: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; VI: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; VI: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; VI: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; VI: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; VI: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; VI: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; VI: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
bb.0:
     ; VI: [[OR16:%[0-9]+]]:_(s32) = G_OR [[ZEXT8]], [[SHL16]]
     ; VI: [[ZEXT10:%[0-9]+]]:_(s32) = G_ZEXT [[OR14]](s16)
     ; VI: [[ZEXT11:%[0-9]+]]:_(s32) = G_ZEXT [[OR15]](s16)
     ; VI: [[SHL17:%[0-9]+]]:_(s32) = G_SHL [[ZEXT11]], [[C9]](s32)
     ; VI: [[OR17:%[0-9]+]]:_(s32) = G_OR [[ZEXT10]], [[SHL17]]
     ; VI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR16]](s32), [[OR17]](s32)
     ; VI: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 24
     ; VI: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; VI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p1) :: (load 1 from undef + 24, addrspace 1)
+    ; VI: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p1) :: (load 1 from unknown-address + 24, addrspace 1)
     ; VI: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C]](s64)
-    ; VI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p1) :: (load 1 from undef + 25, addrspace 1)
+    ; VI: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p1) :: (load 1 from unknown-address + 25, addrspace 1)
     ; VI: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C1]](s64)
-    ; VI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p1) :: (load 1 from undef + 26, addrspace 1)
+    ; VI: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p1) :: (load 1 from unknown-address + 26, addrspace 1)
     ; VI: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C2]](s64)
-    ; VI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p1) :: (load 1 from undef + 27, addrspace 1)
+    ; VI: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p1) :: (load 1 from unknown-address + 27, addrspace 1)
     ; VI: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
-    ; VI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p1) :: (load 1 from undef + 28, addrspace 1)
+    ; VI: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p1) :: (load 1 from unknown-address + 28, addrspace 1)
     ; VI: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
-    ; VI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p1) :: (load 1 from undef + 29, addrspace 1)
+    ; VI: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p1) :: (load 1 from unknown-address + 29, addrspace 1)
     ; VI: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
-    ; VI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p1) :: (load 1 from undef + 30, addrspace 1)
+    ; VI: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p1) :: (load 1 from unknown-address + 30, addrspace 1)
     ; VI: [[PTR_ADD30:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C6]](s64)
-    ; VI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p1) :: (load 1 from undef + 31, addrspace 1)
+    ; VI: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p1) :: (load 1 from unknown-address + 31, addrspace 1)
     ; VI: [[TRUNC24:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD24]](s32)
     ; VI: [[AND24:%[0-9]+]]:_(s16) = G_AND [[TRUNC24]], [[C7]]
     ; VI: [[TRUNC25:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD25]](s32)
     ; VI: [[AND25:%[0-9]+]]:_(s16) = G_AND [[TRUNC25]], [[C7]]
     ; VI: [[SHL18:%[0-9]+]]:_(s16) = G_SHL [[AND25]], [[C8]](s16)
     ; VI: [[OR18:%[0-9]+]]:_(s16) = G_OR [[AND24]], [[SHL18]]
     ; VI: [[TRUNC26:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD26]](s32)
     ; VI: [[AND26:%[0-9]+]]:_(s16) = G_AND [[TRUNC26]], [[C7]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<4 x s64>) = G_LOAD [[COPY]](p1) :: (load 32, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[LOAD]](<4 x s64>)
     ; GFX9-MESA-LABEL: name: test_load_global_v4s64_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9-MESA: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C7]]
     ; GFX9-MESA: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C7]]
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C8]](s16)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
bb.0:
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL4]]
     ; GFX9-MESA: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR2]](s16)
     ; GFX9-MESA: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; GFX9-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C9]](s32)
     ; GFX9-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; GFX9-MESA: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR4]](s32), [[OR5]](s32)
     ; GFX9-MESA: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C10]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; GFX9-MESA: [[TRUNC8:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s16) = G_AND [[TRUNC8]], [[C7]]
     ; GFX9-MESA: [[TRUNC9:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s16) = G_AND [[TRUNC9]], [[C7]]
     ; GFX9-MESA: [[SHL6:%[0-9]+]]:_(s16) = G_SHL [[AND9]], [[C8]](s16)
     ; GFX9-MESA: [[OR6:%[0-9]+]]:_(s16) = G_OR [[AND8]], [[SHL6]]
     ; GFX9-MESA: [[TRUNC10:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD10]](s32)
     ; GFX9-MESA: [[AND10:%[0-9]+]]:_(s16) = G_AND [[TRUNC10]], [[C7]]
bb.0:
     ; GFX9-MESA: [[OR10:%[0-9]+]]:_(s32) = G_OR [[ZEXT4]], [[SHL10]]
     ; GFX9-MESA: [[ZEXT6:%[0-9]+]]:_(s32) = G_ZEXT [[OR8]](s16)
     ; GFX9-MESA: [[ZEXT7:%[0-9]+]]:_(s32) = G_ZEXT [[OR9]](s16)
     ; GFX9-MESA: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[ZEXT7]], [[C9]](s32)
     ; GFX9-MESA: [[OR11:%[0-9]+]]:_(s32) = G_OR [[ZEXT6]], [[SHL11]]
     ; GFX9-MESA: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR10]](s32), [[OR11]](s32)
     ; GFX9-MESA: [[C11:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9-MESA: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C11]](s64)
-    ; GFX9-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; GFX9-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; GFX9-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; GFX9-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; GFX9-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; GFX9-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; GFX9-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; GFX9-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; GFX9-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; GFX9-MESA: [[TRUNC16:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD16]](s32)
     ; GFX9-MESA: [[AND16:%[0-9]+]]:_(s16) = G_AND [[TRUNC16]], [[C7]]
     ; GFX9-MESA: [[TRUNC17:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD17]](s32)
     ; GFX9-MESA: [[AND17:%[0-9]+]]:_(s16) = G_AND [[TRUNC17]], [[C7]]
     ; GFX9-MESA: [[SHL12:%[0-9]+]]:_(s16) = G_SHL [[AND17]], [[C8]](s16)
     ; GFX9-MESA: [[OR12:%[0-9]+]]:_(s16) = G_OR [[AND16]], [[SHL12]]
     ; GFX9-MESA: [[TRUNC18:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD18]](s32)
     ; GFX9-MESA: [[AND18:%[0-9]+]]:_(s16) = G_AND [[TRUNC18]], [[C7]]
bb.0:
     ; GFX9-MESA: [[OR16:%[0-9]+]]:_(s32) = G_OR [[ZEXT8]], [[SHL16]]
     ; GFX9-MESA: [[ZEXT10:%[0-9]+]]:_(s32) = G_ZEXT [[OR14]](s16)
     ; GFX9-MESA: [[ZEXT11:%[0-9]+]]:_(s32) = G_ZEXT [[OR15]](s16)
     ; GFX9-MESA: [[SHL17:%[0-9]+]]:_(s32) = G_SHL [[ZEXT11]], [[C9]](s32)
     ; GFX9-MESA: [[OR17:%[0-9]+]]:_(s32) = G_OR [[ZEXT10]], [[SHL17]]
     ; GFX9-MESA: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR16]](s32), [[OR17]](s32)
     ; GFX9-MESA: [[C12:%[0-9]+]]:_(s64) = G_CONSTANT i64 24
     ; GFX9-MESA: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C12]](s64)
-    ; GFX9-MESA: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p1) :: (load 1 from undef + 24, addrspace 1)
+    ; GFX9-MESA: [[LOAD24:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD23]](p1) :: (load 1 from unknown-address + 24, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p1) :: (load 1 from undef + 25, addrspace 1)
+    ; GFX9-MESA: [[LOAD25:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD24]](p1) :: (load 1 from unknown-address + 25, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p1) :: (load 1 from undef + 26, addrspace 1)
+    ; GFX9-MESA: [[LOAD26:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD25]](p1) :: (load 1 from unknown-address + 26, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p1) :: (load 1 from undef + 27, addrspace 1)
+    ; GFX9-MESA: [[LOAD27:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD26]](p1) :: (load 1 from unknown-address + 27, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p1) :: (load 1 from undef + 28, addrspace 1)
+    ; GFX9-MESA: [[LOAD28:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD27]](p1) :: (load 1 from unknown-address + 28, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p1) :: (load 1 from undef + 29, addrspace 1)
+    ; GFX9-MESA: [[LOAD29:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD28]](p1) :: (load 1 from unknown-address + 29, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p1) :: (load 1 from undef + 30, addrspace 1)
+    ; GFX9-MESA: [[LOAD30:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD29]](p1) :: (load 1 from unknown-address + 30, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD30:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C6]](s64)
-    ; GFX9-MESA: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p1) :: (load 1 from undef + 31, addrspace 1)
+    ; GFX9-MESA: [[LOAD31:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD30]](p1) :: (load 1 from unknown-address + 31, addrspace 1)
     ; GFX9-MESA: [[TRUNC24:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD24]](s32)
     ; GFX9-MESA: [[AND24:%[0-9]+]]:_(s16) = G_AND [[TRUNC24]], [[C7]]
     ; GFX9-MESA: [[TRUNC25:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD25]](s32)
     ; GFX9-MESA: [[AND25:%[0-9]+]]:_(s16) = G_AND [[TRUNC25]], [[C7]]
     ; GFX9-MESA: [[SHL18:%[0-9]+]]:_(s16) = G_SHL [[AND25]], [[C8]](s16)
     ; GFX9-MESA: [[OR18:%[0-9]+]]:_(s16) = G_OR [[AND24]], [[SHL18]]
     ; GFX9-MESA: [[TRUNC26:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD26]](s32)
     ; GFX9-MESA: [[AND26:%[0-9]+]]:_(s16) = G_AND [[TRUNC26]], [[C7]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v2p1_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; SI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; SI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; SI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; SI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; SI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
bb.0:
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 1, addrspace 1)
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[LOAD]](<4 x s32>)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     ; CI-MESA-LABEL: name: test_load_global_v2p1_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI-MESA: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI-MESA: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI-MESA: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI-MESA: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI-MESA: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI-MESA: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI-MESA: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; CI-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; CI-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; CI-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; CI-MESA: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI-MESA: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI-MESA: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI-MESA: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI-MESA: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI-MESA: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI-MESA: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI-MESA: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI-MESA: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI-MESA: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI-MESA: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI-MESA: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI-MESA: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI-MESA: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     ; VI-LABEL: name: test_load_global_v2p1_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
bb.0:
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, align 1, addrspace 1)
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[LOAD]](<4 x s32>)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     ; GFX9-MESA-LABEL: name: test_load_global_v2p1_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; GFX9-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9-MESA: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9-MESA: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9-MESA: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9-MESA: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9-MESA: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9-MESA: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; GFX9-MESA: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9-MESA: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9-MESA: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9-MESA: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9-MESA: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9-MESA: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9-MESA: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9-MESA: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_load_global_v2p3_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
bb.0:
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<2 x p3>) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; CI-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](<2 x p3>)
     ; CI-MESA-LABEL: name: test_load_global_v2p3_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI-MESA: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; CI-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI-MESA: [[INTTOPTR1:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR5]](s32)
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[INTTOPTR]](p3), [[INTTOPTR1]](p3)
     ; CI-MESA: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
     ; VI-LABEL: name: test_load_global_v2p3_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
bb.0:
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<2 x p3>) = G_LOAD [[COPY]](p1) :: (load 8, align 1, addrspace 1)
     ; GFX9-HSA: $vgpr0_vgpr1 = COPY [[LOAD]](<2 x p3>)
     ; GFX9-MESA-LABEL: name: test_load_global_v2p3_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9-MESA: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_extload_global_v2s96_from_24_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[COPY13:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY13]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; SI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; SI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; SI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; SI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; SI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; SI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; SI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; SI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; SI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; SI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s64)
-    ; SI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; SI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; SI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; SI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; SI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; SI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; SI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; SI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; SI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; SI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; SI: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; SI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; SI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; SI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; SI: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; SI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; SI: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; SI: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; SI: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; SI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; SI: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; SI: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; SI: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; SI: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR11]](s32), [[OR14]](s32)
     ; SI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C8]](s64)
-    ; SI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; SI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; SI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C]](s64)
-    ; SI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; SI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; SI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s64)
-    ; SI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; SI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; SI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s64)
-    ; SI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; SI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; SI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; SI: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; SI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; SI: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
     ; SI: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; SI: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; SI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; SI: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY24]], [[C3]]
bb.0:
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY26]](s96)
     ; SI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY27]](s96)
     ; CI-HSA-LABEL: name: test_extload_global_v2s96_from_24_align1
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 1, addrspace 1)
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 1, addrspace 1)
+    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 1, addrspace 1)
     ; CI-HSA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; CI-HSA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI-HSA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; CI-HSA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; CI-MESA-LABEL: name: test_extload_global_v2s96_from_24_align1
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; CI-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; CI-MESA: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; CI-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI-MESA: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI-MESA: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI-MESA: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI-MESA: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI-MESA: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI-MESA: [[COPY13:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY13]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI-MESA: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; CI-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; CI-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; CI-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; CI-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; CI-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; CI-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; CI-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; CI-MESA: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI-MESA: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI-MESA: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI-MESA: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI-MESA: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI-MESA: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI-MESA: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI-MESA: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI-MESA: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI-MESA: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI-MESA: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI-MESA: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; CI-MESA: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI-MESA: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI-MESA: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s64)
-    ; CI-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; CI-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; CI-MESA: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; CI-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; CI-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; CI-MESA: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; CI-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; CI-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; CI-MESA: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; CI-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; CI-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; CI-MESA: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; CI-MESA: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; CI-MESA: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; CI-MESA: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; CI-MESA: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; CI-MESA: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; CI-MESA: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; CI-MESA: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; CI-MESA: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; CI-MESA: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; CI-MESA: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; CI-MESA: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; CI-MESA: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; CI-MESA: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; CI-MESA: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR11]](s32), [[OR14]](s32)
     ; CI-MESA: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C8]](s64)
-    ; CI-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; CI-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; CI-MESA: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C]](s64)
-    ; CI-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; CI-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; CI-MESA: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s64)
-    ; CI-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; CI-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; CI-MESA: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s64)
-    ; CI-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; CI-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; CI-MESA: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; CI-MESA: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; CI-MESA: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; CI-MESA: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
     ; CI-MESA: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; CI-MESA: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; CI-MESA: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; CI-MESA: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY24]], [[C3]]
bb.0:
     ; CI-MESA: [[COPY27:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY26]](s96)
     ; CI-MESA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY27]](s96)
     ; VI-LABEL: name: test_extload_global_v2s96_from_24_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; VI: [[COPY13:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY13]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s64)
-    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; VI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; VI: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; VI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; VI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; VI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; VI: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; VI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; VI: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; VI: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; VI: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; VI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; VI: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; VI: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; VI: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; VI: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR11]](s32), [[OR14]](s32)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C8]](s64)
-    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C]](s64)
-    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s64)
-    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s64)
-    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; VI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; VI: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; VI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; VI: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
     ; VI: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; VI: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; VI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; VI: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY24]], [[C3]]
bb.0:
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY26]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY27]](s96)
     ; GFX9-HSA-LABEL: name: test_extload_global_v2s96_from_24_align1
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 1, addrspace 1)
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 1, addrspace 1)
+    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 1, addrspace 1)
     ; GFX9-HSA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; GFX9-HSA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; GFX9-HSA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; GFX9-HSA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; GFX9-MESA-LABEL: name: test_extload_global_v2s96_from_24_align1
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 1 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from undef + 3, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 1 from unknown-address + 3, addrspace 1)
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9-MESA: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9-MESA: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 1 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from undef + 5, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 1 from unknown-address + 5, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 1 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from undef + 7, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 1 from unknown-address + 7, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9-MESA: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; GFX9-MESA: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 1 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from undef + 9, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 1 from unknown-address + 9, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 1 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from undef + 11, addrspace 1)
+    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 1 from unknown-address + 11, addrspace 1)
     ; GFX9-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9-MESA: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9-MESA: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9-MESA: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9-MESA: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9-MESA: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9-MESA: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[COPY13:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY13]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; GFX9-MESA: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR8]](s32), 64
     ; GFX9-MESA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; GFX9-MESA: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9-MESA: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
-    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from undef + 12, addrspace 1)
+    ; GFX9-MESA: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p1) :: (load 1 from unknown-address + 12, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from undef + 13, addrspace 1)
+    ; GFX9-MESA: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p1) :: (load 1 from unknown-address + 13, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from undef + 14, addrspace 1)
+    ; GFX9-MESA: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p1) :: (load 1 from unknown-address + 14, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from undef + 15, addrspace 1)
+    ; GFX9-MESA: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p1) :: (load 1 from unknown-address + 15, addrspace 1)
     ; GFX9-MESA: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9-MESA: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9-MESA: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9-MESA: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; GFX9-MESA: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9-MESA: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9-MESA: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9-MESA: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; GFX9-MESA: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; GFX9-MESA: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; GFX9-MESA: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; GFX9-MESA: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; GFX9-MESA: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; GFX9-MESA: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; GFX9-MESA: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s64)
-    ; GFX9-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from undef + 16, addrspace 1)
+    ; GFX9-MESA: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p1) :: (load 1 from unknown-address + 16, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from undef + 17, addrspace 1)
+    ; GFX9-MESA: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p1) :: (load 1 from unknown-address + 17, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from undef + 18, addrspace 1)
+    ; GFX9-MESA: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p1) :: (load 1 from unknown-address + 18, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from undef + 19, addrspace 1)
+    ; GFX9-MESA: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p1) :: (load 1 from unknown-address + 19, addrspace 1)
     ; GFX9-MESA: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; GFX9-MESA: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; GFX9-MESA: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; GFX9-MESA: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; GFX9-MESA: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; GFX9-MESA: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; GFX9-MESA: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; GFX9-MESA: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; GFX9-MESA: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; GFX9-MESA: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; GFX9-MESA: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; GFX9-MESA: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; GFX9-MESA: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; GFX9-MESA: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; GFX9-MESA: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR11]](s32), [[OR14]](s32)
     ; GFX9-MESA: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C8]](s64)
-    ; GFX9-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from undef + 20, addrspace 1)
+    ; GFX9-MESA: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p1) :: (load 1 from unknown-address + 20, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from undef + 21, addrspace 1)
+    ; GFX9-MESA: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p1) :: (load 1 from unknown-address + 21, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s64)
-    ; GFX9-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from undef + 22, addrspace 1)
+    ; GFX9-MESA: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p1) :: (load 1 from unknown-address + 22, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s64)
-    ; GFX9-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from undef + 23, addrspace 1)
+    ; GFX9-MESA: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p1) :: (load 1 from unknown-address + 23, addrspace 1)
     ; GFX9-MESA: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; GFX9-MESA: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; GFX9-MESA: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; GFX9-MESA: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
     ; GFX9-MESA: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; GFX9-MESA: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; GFX9-MESA: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; GFX9-MESA: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY24]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_extload_global_v2s96_from_24_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[COPY7:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY7]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from undef + 14, addrspace 1)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from unknown-address + 14, addrspace 1)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s64)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 2 from undef + 16, addrspace 1)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 2 from unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 2 from undef + 18, addrspace 1)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 2 from unknown-address + 18, addrspace 1)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; SI: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s64)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 2 from undef + 20, addrspace 1)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 2 from unknown-address + 20, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 2 from undef + 22, addrspace 1)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 2 from unknown-address + 22, addrspace 1)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C1]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; SI: [[INSERT2:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR1]](<2 x s32>), 0
     ; SI: [[INSERT3:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT2]], [[OR5]](s32), 64
     ; SI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT3]](<3 x s32>)
     ; SI: [[COPY14:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; SI: [[COPY15:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY14]](s96)
     ; SI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY15]](s96)
     ; CI-HSA-LABEL: name: test_extload_global_v2s96_from_24_align2
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 2, addrspace 1)
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 2, addrspace 1)
+    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 2, addrspace 1)
     ; CI-HSA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; CI-HSA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI-HSA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; CI-HSA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; CI-MESA-LABEL: name: test_extload_global_v2s96_from_24_align2
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; CI-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; CI-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; CI-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; CI-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; CI-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; CI-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; CI-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; CI-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; CI-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; CI-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; CI-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; CI-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; CI-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; CI-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI-MESA: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; CI-MESA: [[COPY7:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; CI-MESA: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY7]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; CI-MESA: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; CI-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; CI-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; CI-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from undef + 14, addrspace 1)
+    ; CI-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from unknown-address + 14, addrspace 1)
     ; CI-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; CI-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; CI-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; CI-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; CI-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s64)
-    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 2 from undef + 16, addrspace 1)
+    ; CI-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 2 from unknown-address + 16, addrspace 1)
     ; CI-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 2 from undef + 18, addrspace 1)
+    ; CI-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 2 from unknown-address + 18, addrspace 1)
     ; CI-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; CI-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; CI-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; CI-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; CI-MESA: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32)
     ; CI-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s64)
-    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 2 from undef + 20, addrspace 1)
+    ; CI-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 2 from unknown-address + 20, addrspace 1)
     ; CI-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 2 from undef + 22, addrspace 1)
+    ; CI-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 2 from unknown-address + 22, addrspace 1)
     ; CI-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; CI-MESA: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C1]]
     ; CI-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; CI-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; CI-MESA: [[INSERT2:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR1]](<2 x s32>), 0
     ; CI-MESA: [[INSERT3:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT2]], [[OR5]](s32), 64
     ; CI-MESA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT3]](<3 x s32>)
     ; CI-MESA: [[COPY14:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI-MESA: [[COPY15:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY14]](s96)
     ; CI-MESA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY15]](s96)
     ; VI-LABEL: name: test_extload_global_v2s96_from_24_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; VI: [[COPY7:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; VI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY7]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from undef + 14, addrspace 1)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from unknown-address + 14, addrspace 1)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s64)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 2 from undef + 16, addrspace 1)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 2 from unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 2 from undef + 18, addrspace 1)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 2 from unknown-address + 18, addrspace 1)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; VI: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s64)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 2 from undef + 20, addrspace 1)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 2 from unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 2 from undef + 22, addrspace 1)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 2 from unknown-address + 22, addrspace 1)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C1]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; VI: [[INSERT2:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR1]](<2 x s32>), 0
     ; VI: [[INSERT3:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT2]], [[OR5]](s32), 64
     ; VI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT3]](<3 x s32>)
     ; VI: [[COPY14:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; VI: [[COPY15:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY14]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY15]](s96)
     ; GFX9-HSA-LABEL: name: test_extload_global_v2s96_from_24_align2
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 2, addrspace 1)
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 2, addrspace 1)
+    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 2, addrspace 1)
     ; GFX9-HSA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; GFX9-HSA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; GFX9-HSA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; GFX9-HSA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; GFX9-MESA-LABEL: name: test_extload_global_v2s96_from_24_align2
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 2, addrspace 1)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from undef + 2, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 2 from unknown-address + 2, addrspace 1)
     ; GFX9-MESA: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9-MESA: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9-MESA: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9-MESA: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9-MESA: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9-MESA: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9-MESA: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9-MESA: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from undef + 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 2 from unknown-address + 4, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from undef + 6, addrspace 1)
+    ; GFX9-MESA: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 2 from unknown-address + 6, addrspace 1)
     ; GFX9-MESA: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9-MESA: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9-MESA: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9-MESA: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9-MESA: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9-MESA: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9-MESA: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; GFX9-MESA: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; GFX9-MESA: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from undef + 8, addrspace 1)
+    ; GFX9-MESA: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p1) :: (load 2 from unknown-address + 8, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from undef + 10, addrspace 1)
+    ; GFX9-MESA: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p1) :: (load 2 from unknown-address + 10, addrspace 1)
     ; GFX9-MESA: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9-MESA: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; GFX9-MESA: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9-MESA: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; GFX9-MESA: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; GFX9-MESA: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9-MESA: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; GFX9-MESA: [[COPY7:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; GFX9-MESA: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY7]], [[BUILD_VECTOR]](<2 x s32>), 0
     ; GFX9-MESA: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[OR2]](s32), 64
     ; GFX9-MESA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; GFX9-MESA: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9-MESA: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
-    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from undef + 12, addrspace 1)
+    ; GFX9-MESA: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p1) :: (load 2 from unknown-address + 12, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from undef + 14, addrspace 1)
+    ; GFX9-MESA: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p1) :: (load 2 from unknown-address + 14, addrspace 1)
     ; GFX9-MESA: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9-MESA: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; GFX9-MESA: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9-MESA: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; GFX9-MESA: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; GFX9-MESA: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; GFX9-MESA: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s64)
-    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 2 from undef + 16, addrspace 1)
+    ; GFX9-MESA: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p1) :: (load 2 from unknown-address + 16, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 2 from undef + 18, addrspace 1)
+    ; GFX9-MESA: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p1) :: (load 2 from unknown-address + 18, addrspace 1)
     ; GFX9-MESA: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9-MESA: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; GFX9-MESA: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9-MESA: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; GFX9-MESA: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; GFX9-MESA: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; GFX9-MESA: [[BUILD_VECTOR1:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32)
     ; GFX9-MESA: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s64)
-    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 2 from undef + 20, addrspace 1)
+    ; GFX9-MESA: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p1) :: (load 2 from unknown-address + 20, addrspace 1)
     ; GFX9-MESA: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 2 from undef + 22, addrspace 1)
+    ; GFX9-MESA: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p1) :: (load 2 from unknown-address + 22, addrspace 1)
     ; GFX9-MESA: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9-MESA: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; GFX9-MESA: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9-MESA: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C1]]
     ; GFX9-MESA: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; GFX9-MESA: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; GFX9-MESA: [[INSERT2:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[BUILD_VECTOR1]](<2 x s32>), 0
     ; GFX9-MESA: [[INSERT3:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT2]], [[OR5]](s32), 64
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; SI-LABEL: name: test_extload_global_v2s96_from_24_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[COPY]](p1) :: (load 8, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from undef + 8, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 4 from unknown-address + 8, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY [[DEF]](<3 x s32>)
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[COPY1]], [[LOAD]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 8 from undef + 12, align 4, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[PTR_ADD1]](p1) :: (load 8 from unknown-address + 12, align 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C]](s64)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 4 from undef + 20, addrspace 1)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p1) :: (load 4 from unknown-address + 20, addrspace 1)
     ; SI: [[INSERT2:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[LOAD2]](<2 x s32>), 0
     ; SI: [[INSERT3:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT2]], [[LOAD3]](s32), 64
     ; SI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT3]](<3 x s32>)
     ; SI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; SI: [[COPY3:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY2]](s96)
     ; SI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY3]](s96)
     ; CI-HSA-LABEL: name: test_extload_global_v2s96_from_24_align4
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 4, addrspace 1)
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; CI-HSA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; CI-HSA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI-HSA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; CI-HSA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; CI-MESA-LABEL: name: test_extload_global_v2s96_from_24_align4
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 4, addrspace 1)
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; CI-MESA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; CI-MESA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; VI-LABEL: name: test_extload_global_v2s96_from_24_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 4, addrspace 1)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; VI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; VI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; GFX9-HSA-LABEL: name: test_extload_global_v2s96_from_24_align4
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 4, addrspace 1)
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; GFX9-HSA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; GFX9-HSA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; GFX9-HSA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; GFX9-HSA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; GFX9-MESA-LABEL: name: test_extload_global_v2s96_from_24_align4
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 4, addrspace 1)
     ; GFX9-MESA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; GFX9-MESA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; GFX9-MESA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; GFX9-MESA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x s96>) = G_LOAD %0 :: (load 24, align 4, addrspace 1)
     %2:_(s96) = G_EXTRACT %1, 0
bb.0:
 
     ; SI-LABEL: name: test_extload_global_v2s96_from_24_align16
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[LOAD:%[0-9]+]]:_(<4 x s32>) = G_LOAD [[COPY]](p1) :: (load 16, addrspace 1)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<3 x s32>) = G_EXTRACT [[LOAD]](<4 x s32>), 0
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[EXTRACT]](<3 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from undef + 12, align 4, addrspace 1)
+    ; SI: [[LOAD1:%[0-9]+]]:_(<2 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 8 from unknown-address + 12, align 4, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD]], [[C1]](s64)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 4 from undef + 20, addrspace 1)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p1) :: (load 4 from unknown-address + 20, addrspace 1)
     ; SI: [[DEF:%[0-9]+]]:_(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[DEF]], [[LOAD1]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD2]](s32), 64
     ; SI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[INSERT1]](<3 x s32>)
     ; SI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; SI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; SI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; CI-HSA-LABEL: name: test_extload_global_v2s96_from_24_align16
     ; CI-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 16, addrspace 1)
     ; CI-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; CI-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; CI-HSA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; CI-HSA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI-HSA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; CI-HSA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; CI-MESA-LABEL: name: test_extload_global_v2s96_from_24_align16
     ; CI-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI-MESA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 16, addrspace 1)
     ; CI-MESA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; CI-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; CI-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; CI-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; CI-MESA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; CI-MESA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI-MESA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI-MESA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; CI-MESA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; VI-LABEL: name: test_extload_global_v2s96_from_24_align16
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 16, addrspace 1)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; VI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; VI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; GFX9-HSA-LABEL: name: test_extload_global_v2s96_from_24_align16
     ; GFX9-HSA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-HSA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 16, addrspace 1)
     ; GFX9-HSA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9-HSA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9-HSA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; GFX9-HSA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; GFX9-HSA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; GFX9-HSA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; GFX9-HSA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; GFX9-HSA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; GFX9-HSA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; GFX9-MESA-LABEL: name: test_extload_global_v2s96_from_24_align16
     ; GFX9-MESA: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9-MESA: [[LOAD:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[COPY]](p1) :: (load 12, align 16, addrspace 1)
     ; GFX9-MESA: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD]](<3 x s32>)
     ; GFX9-MESA: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; GFX9-MESA: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from undef + 12, align 4, addrspace 1)
+    ; GFX9-MESA: [[LOAD1:%[0-9]+]]:_(<3 x s32>) = G_LOAD [[PTR_ADD]](p1) :: (load 12 from unknown-address + 12, align 4, addrspace 1)
     ; GFX9-MESA: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[LOAD1]](<3 x s32>)
     ; GFX9-MESA: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; GFX9-MESA: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; GFX9-MESA: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; GFX9-MESA: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x s96>) = G_LOAD %0 :: (load 24, align 16, addrspace 1)
     %2:_(s96) = G_EXTRACT %1, 0

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-load-private.mir

body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; SI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; CI-LABEL: name: test_load_private_s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; CI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_private_s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-LABEL: name: test_load_private_s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s32_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: $vgpr0 = COPY [[OR]](s32)
     ; CI-LABEL: name: test_load_private_s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: $vgpr0 = COPY [[OR]](s32)
     ; VI-LABEL: name: test_load_private_s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: $vgpr0 = COPY [[OR]](s32)
     ; GFX9-LABEL: name: test_load_private_s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s32_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: $vgpr0 = COPY [[OR2]](s32)
     ; CI-LABEL: name: test_load_private_s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: $vgpr0 = COPY [[OR2]](s32)
     ; VI-LABEL: name: test_load_private_s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: $vgpr0 = COPY [[OR2]](s32)
     ; GFX9-LABEL: name: test_load_private_s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s24_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 2, align 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 2, align 2, addrspace 5)
     ; SI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; SI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; CI-LABEL: name: test_load_private_s24_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 2, align 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 2, align 2, addrspace 5)
     ; CI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; CI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; CI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_private_s24_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 2, align 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 2, align 2, addrspace 5)
     ; VI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-LABEL: name: test_load_private_s24_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 2, align 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 2, align 2, addrspace 5)
     ; GFX9: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; GFX9: $vgpr0 = COPY [[ANYEXT]](s32)
     %0:_(p5) = COPY $vgpr0
     %1:_(s24) = G_LOAD %0 :: (load 3, align 2, addrspace 5)
     %2:_(s32) = G_ANYEXT %1
     $vgpr0 = COPY %2
 ...
 
 ---
 name: test_load_private_s24_align1
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s24_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p5) :: (load 2, align 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; SI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; CI-LABEL: name: test_load_private_s24_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p5) :: (load 2, align 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; CI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; CI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; VI-LABEL: name: test_load_private_s24_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p5) :: (load 2, align 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; VI: $vgpr0 = COPY [[ANYEXT]](s32)
     ; GFX9-LABEL: name: test_load_private_s24_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[COPY]](p5) :: (load 2, align 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[DEF:%[0-9]+]]:_(s24) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(s24) = G_INSERT [[DEF]], [[LOAD]](s16), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(s24) = G_INSERT [[INSERT]], [[LOAD1]](s8), 16
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[INSERT1]](s24)
     ; GFX9: $vgpr0 = COPY [[ANYEXT]](s32)
     %0:_(p5) = COPY $vgpr0
     %1:_(s24) = G_LOAD %0 :: (load 3, align 1, addrspace 5)
     %2:_(s32) = G_ANYEXT %1
     $vgpr0 = COPY %2
 ...
 
 ---
 name: test_load_private_s48_align8
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s48_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 4, align 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 4, align 4, addrspace 5)
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; SI: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
     ; SI: [[COPY1:%[0-9]+]]:_(s64) = COPY [[DEF]](s64)
     ; SI: [[INSERT:%[0-9]+]]:_(s64) = G_INSERT [[COPY1]], [[LOAD]](s32), 0
     ; SI: [[COPY2:%[0-9]+]]:_(s64) = COPY [[INSERT]](s64)
     ; SI: [[INSERT1:%[0-9]+]]:_(s64) = G_INSERT [[COPY2]], [[TRUNC]](s16), 32
     ; SI: [[COPY3:%[0-9]+]]:_(s64) = COPY [[INSERT1]](s64)
     ; SI: $vgpr0_vgpr1 = COPY [[COPY3]](s64)
     ; CI-LABEL: name: test_load_private_s48_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 4, align 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 4, align 4, addrspace 5)
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; CI: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
     ; CI: [[COPY1:%[0-9]+]]:_(s64) = COPY [[DEF]](s64)
     ; CI: [[INSERT:%[0-9]+]]:_(s64) = G_INSERT [[COPY1]], [[LOAD]](s32), 0
     ; CI: [[COPY2:%[0-9]+]]:_(s64) = COPY [[INSERT]](s64)
     ; CI: [[INSERT1:%[0-9]+]]:_(s64) = G_INSERT [[COPY2]], [[TRUNC]](s16), 32
     ; CI: [[COPY3:%[0-9]+]]:_(s64) = COPY [[INSERT1]](s64)
     ; CI: $vgpr0_vgpr1 = COPY [[COPY3]](s64)
     ; VI-LABEL: name: test_load_private_s48_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 4, align 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 4, align 4, addrspace 5)
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
     ; VI: [[COPY1:%[0-9]+]]:_(s64) = COPY [[DEF]](s64)
     ; VI: [[INSERT:%[0-9]+]]:_(s64) = G_INSERT [[COPY1]], [[LOAD]](s32), 0
     ; VI: [[COPY2:%[0-9]+]]:_(s64) = COPY [[INSERT]](s64)
     ; VI: [[INSERT1:%[0-9]+]]:_(s64) = G_INSERT [[COPY2]], [[TRUNC]](s16), 32
     ; VI: [[COPY3:%[0-9]+]]:_(s64) = COPY [[INSERT1]](s64)
     ; VI: $vgpr0_vgpr1 = COPY [[COPY3]](s64)
     ; GFX9-LABEL: name: test_load_private_s48_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 4, align 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 4, align 4, addrspace 5)
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[DEF:%[0-9]+]]:_(s64) = G_IMPLICIT_DEF
     ; GFX9: [[COPY1:%[0-9]+]]:_(s64) = COPY [[DEF]](s64)
     ; GFX9: [[INSERT:%[0-9]+]]:_(s64) = G_INSERT [[COPY1]], [[LOAD]](s32), 0
     ; GFX9: [[COPY2:%[0-9]+]]:_(s64) = COPY [[INSERT]](s64)
     ; GFX9: [[INSERT1:%[0-9]+]]:_(s64) = G_INSERT [[COPY2]], [[TRUNC]](s16), 32
     ; GFX9: [[COPY3:%[0-9]+]]:_(s64) = COPY [[INSERT1]](s64)
     ; GFX9: $vgpr0_vgpr1 = COPY [[COPY3]](s64)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s64_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; CI-LABEL: name: test_load_private_s64_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; VI-LABEL: name: test_load_private_s64_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; GFX9-LABEL: name: test_load_private_s64_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[MV]](s64)
     %0:_(p5) = COPY $vgpr0
     %1:_(s64) = G_LOAD %0 :: (load 8, align 8, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_s64_align4
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s64_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; CI-LABEL: name: test_load_private_s64_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; VI-LABEL: name: test_load_private_s64_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; GFX9-LABEL: name: test_load_private_s64_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[MV]](s64)
     %0:_(p5) = COPY $vgpr0
     %1:_(s64) = G_LOAD %0 :: (load 8, align 4, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_s64_align2
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s64_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; CI-LABEL: name: test_load_private_s64_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; VI-LABEL: name: test_load_private_s64_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; GFX9-LABEL: name: test_load_private_s64_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[MV]](s64)
     %0:_(p5) = COPY $vgpr0
     %1:_(s64) = G_LOAD %0 :: (load 8, align 2, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_s64_align1
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s64_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR5]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; CI-LABEL: name: test_load_private_s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR5]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; VI-LABEL: name: test_load_private_s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR5]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](s64)
     ; GFX9-LABEL: name: test_load_private_s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s96_align16
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; CI-LABEL: name: test_load_private_s96_align16
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_private_s96_align16
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-LABEL: name: test_load_private_s96_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s96_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; CI-LABEL: name: test_load_private_s96_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_private_s96_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-LABEL: name: test_load_private_s96_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; GFX9: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     %0:_(p5) = COPY $vgpr0
     %1:_(s96) = G_LOAD %0 :: (load 12, align 8, addrspace 5)
     $vgpr0_vgpr1_vgpr2 = COPY %1
 ...
 
 ---
 name: test_load_private_s96_align4
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s96_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; CI-LABEL: name: test_load_private_s96_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_private_s96_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-LABEL: name: test_load_private_s96_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; GFX9: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     %0:_(p5) = COPY $vgpr0
     %1:_(s96) = G_LOAD %0 :: (load 12, align 4, addrspace 5)
     $vgpr0_vgpr1_vgpr2 = COPY %1
 ...
 
 ---
 name: test_load_private_s96_align2
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s96_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; CI-LABEL: name: test_load_private_s96_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_private_s96_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-LABEL: name: test_load_private_s96_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s96_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; CI-LABEL: name: test_load_private_s96_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; VI-LABEL: name: test_load_private_s96_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BITCAST]](s96)
     ; GFX9-LABEL: name: test_load_private_s96_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s128_align16
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; SI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; SI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; SI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; SI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; SI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; SI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; SI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; SI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; SI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; SI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; CI-LABEL: name: test_load_private_s128_align16
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; VI-LABEL: name: test_load_private_s128_align16
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; GFX9-LABEL: name: test_load_private_s128_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s128_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; CI-LABEL: name: test_load_private_s128_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; VI-LABEL: name: test_load_private_s128_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; GFX9-LABEL: name: test_load_private_s128_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     %0:_(p5) = COPY $vgpr0
     %1:_(s128) = G_LOAD %0 :: (load 16, align 8, addrspace 5)
     $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
 ...
 
 ---
 name: test_load_private_s128_align4
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s128_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; CI-LABEL: name: test_load_private_s128_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; VI-LABEL: name: test_load_private_s128_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; GFX9-LABEL: name: test_load_private_s128_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     %0:_(p5) = COPY $vgpr0
     %1:_(s128) = G_LOAD %0 :: (load 16, align 4, addrspace 5)
     $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
 ...
 
 ---
 name: test_load_private_s128_align2
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s128_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32), [[OR3]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; CI-LABEL: name: test_load_private_s128_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32), [[OR3]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; VI-LABEL: name: test_load_private_s128_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32), [[OR3]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; GFX9-LABEL: name: test_load_private_s128_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32), [[OR3]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_s128_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; SI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; SI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; SI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; SI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; SI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; SI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; SI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; SI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; SI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; SI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; CI-LABEL: name: test_load_private_s128_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; VI-LABEL: name: test_load_private_s128_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s128) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](s128)
     ; GFX9-LABEL: name: test_load_private_s128_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_p1_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; CI-LABEL: name: test_load_private_p1_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; VI-LABEL: name: test_load_private_p1_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; GFX9-LABEL: name: test_load_private_p1_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[MV]](p1)
     %0:_(p5) = COPY $vgpr0
     %1:_(p1) = G_LOAD %0 :: (load 8, align 8, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_p1_align4
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_p1_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; CI-LABEL: name: test_load_private_p1_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; VI-LABEL: name: test_load_private_p1_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; GFX9-LABEL: name: test_load_private_p1_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[MV]](p1)
     %0:_(p5) = COPY $vgpr0
     %1:_(p1) = G_LOAD %0 :: (load 8, align 4, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_p1_align2
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_p1_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; CI-LABEL: name: test_load_private_p1_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; VI-LABEL: name: test_load_private_p1_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; GFX9-LABEL: name: test_load_private_p1_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[MV]](p1)
     %0:_(p5) = COPY $vgpr0
     %1:_(p1) = G_LOAD %0 :: (load 8, align 2, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_p1_align1
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_p1_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR2]](s32), [[OR5]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; CI-LABEL: name: test_load_private_p1_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR2]](s32), [[OR5]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; VI-LABEL: name: test_load_private_p1_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(p1) = G_MERGE_VALUES [[OR2]](s32), [[OR5]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[MV]](p1)
     ; GFX9-LABEL: name: test_load_private_p1_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_p3_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR]](s32)
     ; SI: $vgpr0 = COPY [[INTTOPTR]](p3)
     ; CI-LABEL: name: test_load_private_p3_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR]](s32)
     ; CI: $vgpr0 = COPY [[INTTOPTR]](p3)
     ; VI-LABEL: name: test_load_private_p3_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR]](s32)
     ; VI: $vgpr0 = COPY [[INTTOPTR]](p3)
     ; GFX9-LABEL: name: test_load_private_p3_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_p3_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; SI: $vgpr0 = COPY [[INTTOPTR]](p3)
     ; CI-LABEL: name: test_load_private_p3_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; CI: $vgpr0 = COPY [[INTTOPTR]](p3)
     ; VI-LABEL: name: test_load_private_p3_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p3) = G_INTTOPTR [[OR2]](s32)
     ; VI: $vgpr0 = COPY [[INTTOPTR]](p3)
     ; GFX9-LABEL: name: test_load_private_p3_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_p5_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR]](s32)
     ; SI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; CI-LABEL: name: test_load_private_p5_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR]](s32)
     ; CI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; VI-LABEL: name: test_load_private_p5_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR]](s32)
     ; VI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; GFX9-LABEL: name: test_load_private_p5_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_p5_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR2]](s32)
     ; SI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; CI-LABEL: name: test_load_private_p5_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR2]](s32)
     ; CI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; VI-LABEL: name: test_load_private_p5_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[INTTOPTR:%[0-9]+]]:_(p5) = G_INTTOPTR [[OR2]](s32)
     ; VI: $vgpr0 = COPY [[INTTOPTR]](p5)
     ; GFX9-LABEL: name: test_load_private_p5_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2s8_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[COPY3]](s32), [[COPY4]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; CI-LABEL: name: test_load_private_v2s8_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[COPY3]](s32), [[COPY4]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; VI-LABEL: name: test_load_private_v2s8_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[COPY3]](s32), [[COPY4]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; GFX9-LABEL: name: test_load_private_v2s8_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<2 x s8>) = G_LOAD %0 :: (load 2, align 1, addrspace 5)
     %2:_(<2 x s32>) = G_ANYEXT %1
     $vgpr0_vgpr1 = COPY %2
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v8s8_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
bb.0:
     ; SI: [[TRUNC1:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR1]](<4 x s32>)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s8>) = G_CONCAT_VECTORS [[TRUNC]](<4 x s8>), [[TRUNC1]](<4 x s8>)
     ; SI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<8 x s8>)
     ; CI-LABEL: name: test_load_private_v8s8_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
bb.0:
     ; CI: [[TRUNC1:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR1]](<4 x s32>)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s8>) = G_CONCAT_VECTORS [[TRUNC]](<4 x s8>), [[TRUNC1]](<4 x s8>)
     ; CI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<8 x s8>)
     ; VI-LABEL: name: test_load_private_v8s8_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
bb.0:
     ; VI: [[TRUNC1:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR1]](<4 x s32>)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s8>) = G_CONCAT_VECTORS [[TRUNC]](<4 x s8>), [[TRUNC1]](<4 x s8>)
     ; VI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<8 x s8>)
     ; GFX9-LABEL: name: test_load_private_v8s8_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C1]](s32)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C2]](s32)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[LOAD]], [[C3]](s32)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v16s8_align16
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; SI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
bb.0:
     ; SI: [[TRUNC3:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR3]](<4 x s32>)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<16 x s8>) = G_CONCAT_VECTORS [[TRUNC]](<4 x s8>), [[TRUNC1]](<4 x s8>), [[TRUNC2]](<4 x s8>), [[TRUNC3]](<4 x s8>)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[CONCAT_VECTORS]](<16 x s8>)
     ; CI-LABEL: name: test_load_private_v16s8_align16
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; CI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
bb.0:
     ; CI: [[TRUNC3:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR3]](<4 x s32>)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<16 x s8>) = G_CONCAT_VECTORS [[TRUNC]](<4 x s8>), [[TRUNC1]](<4 x s8>), [[TRUNC2]](<4 x s8>), [[TRUNC3]](<4 x s8>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[CONCAT_VECTORS]](<16 x s8>)
     ; VI-LABEL: name: test_load_private_v16s8_align16
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32), [[COPY4]](s32)
     ; VI: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR]](<4 x s32>)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
bb.0:
     ; VI: [[TRUNC3:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[BUILD_VECTOR3]](<4 x s32>)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<16 x s8>) = G_CONCAT_VECTORS [[TRUNC]](<4 x s8>), [[TRUNC1]](<4 x s8>), [[TRUNC2]](<4 x s8>), [[TRUNC3]](<4 x s8>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[CONCAT_VECTORS]](<16 x s8>)
     ; GFX9-LABEL: name: test_load_private_v16s8_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9: [[TRUNC:%[0-9]+]]:_(<4 x s8>) = G_TRUNC [[CONCAT_VECTORS]](<4 x s16>)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2s16_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; SI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; CI-LABEL: name: test_load_private_v2s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; VI-LABEL: name: test_load_private_v2s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; GFX9-LABEL: name: test_load_private_v2s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: $vgpr0 = COPY [[BUILD_VECTOR_TRUNC]](<2 x s16>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<2 x s16>) = G_LOAD %0 :: (load 4, align 2, addrspace 5)
     $vgpr0 = COPY %1
 ...
 
 ---
 name: test_load_private_v2s16_align1
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; SI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; SI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; SI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; CI-LABEL: name: test_load_private_v2s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; VI-LABEL: name: test_load_private_v2s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: $vgpr0 = COPY [[BITCAST]](<2 x s16>)
     ; GFX9-LABEL: name: test_load_private_v2s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v3s16_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 4, align 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 4, align 4, addrspace 5)
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; SI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; SI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; SI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; SI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[LOAD]](<2 x s16>), 0
     ; SI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; SI: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; SI: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; SI: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; SI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; SI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; SI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; SI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; CI-LABEL: name: test_load_private_v3s16_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 4, align 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 4, align 4, addrspace 5)
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; CI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; CI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[LOAD]](<2 x s16>), 0
     ; CI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; CI: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; CI: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; CI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; CI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; CI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; VI-LABEL: name: test_load_private_v3s16_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 4, align 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 4, align 4, addrspace 5)
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; VI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[LOAD]](<2 x s16>), 0
     ; VI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; VI: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; VI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; VI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; VI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_private_v3s16_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 4, align 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 4, align 4, addrspace 5)
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; GFX9: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; GFX9: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[LOAD]](<2 x s16>), 0
     ; GFX9: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v3s16_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; SI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; SI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; SI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; SI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; SI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST]](<2 x s16>), 0
     ; SI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; SI: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; SI: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; SI: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; SI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; SI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; SI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; SI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; CI-LABEL: name: test_load_private_v3s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; CI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; CI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST]](<2 x s16>), 0
     ; CI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; CI: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; CI: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; CI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; CI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; CI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; CI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; VI-LABEL: name: test_load_private_v3s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; VI: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; VI: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BITCAST]](<2 x s16>), 0
     ; VI: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV4:%[0-9]+]]:_(<3 x s16>), [[UV5:%[0-9]+]]:_(<3 x s16>), [[UV6:%[0-9]+]]:_(<3 x s16>), [[UV7:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS1]](<12 x s16>)
     ; VI: [[INSERT2:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV4]](<3 x s16>), 0
     ; VI: [[INSERT3:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT2]], [[TRUNC]](s16), 32
     ; VI: [[CONCAT_VECTORS2:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT3]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; VI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; VI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; VI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_private_v3s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[DEF]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
     ; GFX9: [[UV:%[0-9]+]]:_(<3 x s16>), [[UV1:%[0-9]+]]:_(<3 x s16>), [[UV2:%[0-9]+]]:_(<3 x s16>), [[UV3:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<12 x s16>)
     ; GFX9: [[INSERT:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV]](<3 x s16>), 0
     ; GFX9: [[INSERT1:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[INSERT]], [[BUILD_VECTOR_TRUNC]](<2 x s16>), 0
     ; GFX9: [[CONCAT_VECTORS1:%[0-9]+]]:_(<12 x s16>) = G_CONCAT_VECTORS [[INSERT1]](<4 x s16>), [[DEF1]](<4 x s16>), [[DEF1]](<4 x s16>)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v3s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; SI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; SI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C6]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; SI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; SI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
bb.0:
     ; SI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; SI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; SI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; CI-LABEL: name: test_load_private_v3s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C6]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; CI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; CI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
bb.0:
     ; CI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; CI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; CI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; VI-LABEL: name: test_load_private_v3s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; VI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; VI: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
bb.0:
     ; VI: [[UV8:%[0-9]+]]:_(<3 x s16>), [[UV9:%[0-9]+]]:_(<3 x s16>), [[UV10:%[0-9]+]]:_(<3 x s16>), [[UV11:%[0-9]+]]:_(<3 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS2]](<12 x s16>)
     ; VI: [[INSERT4:%[0-9]+]]:_(<4 x s16>) = G_INSERT [[DEF1]], [[UV8]](<3 x s16>), 0
     ; VI: $vgpr0_vgpr1 = COPY [[INSERT4]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_private_v3s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT]](s32), [[ANYEXT1]](s32)
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; GFX9: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; GFX9: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; GFX9: [[OR2:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[DEF:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[DEF1:%[0-9]+]]:_(<4 x s16>) = G_IMPLICIT_DEF

 body: |
   bb.0:
     liveins: $vgpr0
     ; SI-LABEL: name: test_load_private_v4s16_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[LOAD]](<2 x s16>), [[LOAD1]](<2 x s16>)
     ; SI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; CI-LABEL: name: test_load_private_v4s16_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[LOAD]](<2 x s16>), [[LOAD1]](<2 x s16>)
     ; CI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; VI-LABEL: name: test_load_private_v4s16_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[LOAD]](<2 x s16>), [[LOAD1]](<2 x s16>)
     ; VI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_private_v4s16_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[LOAD]](<2 x s16>), [[LOAD1]](<2 x s16>)
     ; GFX9: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<4 x s16>) = G_LOAD %0 :: (load 8, align 8, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_v4s16_align4
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v4s16_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[LOAD]](<2 x s16>), [[LOAD1]](<2 x s16>)
     ; SI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; CI-LABEL: name: test_load_private_v4s16_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[LOAD]](<2 x s16>), [[LOAD1]](<2 x s16>)
     ; CI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; VI-LABEL: name: test_load_private_v4s16_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[LOAD]](<2 x s16>), [[LOAD1]](<2 x s16>)
     ; VI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_private_v4s16_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(<2 x s16>) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[LOAD]](<2 x s16>), [[LOAD1]](<2 x s16>)
     ; GFX9: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<4 x s16>) = G_LOAD %0 :: (load 8, align 4, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_v4s16_align2
 body: |
   bb.0:
     liveins: $vgpr0
     ; SI-LABEL: name: test_load_private_v4s16_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; SI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; CI-LABEL: name: test_load_private_v4s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; VI-LABEL: name: test_load_private_v4s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR1]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_private_v4s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY1]](s32), [[COPY2]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[BUILD_VECTOR_TRUNC1:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[COPY3]](s32), [[COPY4]](s32)
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BUILD_VECTOR_TRUNC]](<2 x s16>), [[BUILD_VECTOR_TRUNC1]](<2 x s16>)
     ; GFX9: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<4 x s16>) = G_LOAD %0 :: (load 8, align 2, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_v4s16_align1
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v4s16_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; SI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; SI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; SI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C6]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; SI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; SI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; SI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[COPY6]](s32)
     ; SI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[SHL4]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[TRUNC7]]
     ; SI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; SI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C5]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; SI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; SI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; CI-LABEL: name: test_load_private_v4s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[COPY2]](s32)
     ; CI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; CI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C5]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C6]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; CI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[COPY4]](s32)
     ; CI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[SHL3]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[TRUNC5]]
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; CI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[C2]](s32)
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[COPY6]](s32)
     ; CI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[SHL4]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[TRUNC7]]
     ; CI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; CI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C5]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; CI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; CI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; VI-LABEL: name: test_load_private_v4s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; VI: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[OR1]](s16)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C4]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR2]](s32)
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; VI: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; VI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; VI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; VI: [[SHL4:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; VI: [[OR4:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL4]]
     ; VI: [[ZEXT2:%[0-9]+]]:_(s32) = G_ZEXT [[OR3]](s16)
     ; VI: [[ZEXT3:%[0-9]+]]:_(s32) = G_ZEXT [[OR4]](s16)
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[ZEXT3]], [[C4]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[ZEXT2]], [[SHL5]]
     ; VI: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR5]](s32)
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[BITCAST]](<2 x s16>), [[BITCAST1]](<2 x s16>)
     ; VI: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
     ; GFX9-LABEL: name: test_load_private_v4s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX9: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C1]]
     ; GFX9: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C2]](s16)
     ; GFX9: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; GFX9: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
     ; GFX9: [[BUILD_VECTOR_TRUNC:%[0-9]+]]:_(<2 x s16>) = G_BUILD_VECTOR_TRUNC [[ANYEXT]](s32), [[ANYEXT1]](s32)
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; GFX9: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s16) = G_AND [[TRUNC4]], [[C1]]
     ; GFX9: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s16) = G_AND [[TRUNC5]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s16) = G_SHL [[AND5]], [[C2]](s16)
     ; GFX9: [[OR2:%[0-9]+]]:_(s16) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; GFX9: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s16) = G_AND [[TRUNC6]], [[C1]]
     ; GFX9: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s16) = G_AND [[TRUNC7]], [[C1]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s16) = G_SHL [[AND7]], [[C2]](s16)
     ; GFX9: [[OR3:%[0-9]+]]:_(s16) = G_OR [[AND6]], [[SHL3]]
     ; GFX9: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[OR2]](s16)
     ; GFX9: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[OR3]](s16)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2s32_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; CI-LABEL: name: test_load_private_v2s32_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; VI-LABEL: name: test_load_private_v2s32_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; GFX9-LABEL: name: test_load_private_v2s32_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<2 x s32>) = G_LOAD %0 :: (load 8, align 8, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_v2s32_align4
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2s32_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; CI-LABEL: name: test_load_private_v2s32_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; VI-LABEL: name: test_load_private_v2s32_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; GFX9-LABEL: name: test_load_private_v2s32_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<2 x s32>) = G_LOAD %0 :: (load 8, align 4, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_v2s32_align2
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2s32_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; CI-LABEL: name: test_load_private_v2s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; VI-LABEL: name: test_load_private_v2s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; GFX9-LABEL: name: test_load_private_v2s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
     ; GFX9: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<2 x s32>) = G_LOAD %0 :: (load 8, align 2, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
 name: test_load_private_v2s32_align1
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2s32_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; SI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; CI-LABEL: name: test_load_private_v2s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; CI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; VI-LABEL: name: test_load_private_v2s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
     ; GFX9-LABEL: name: test_load_private_v2s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v3s32_align16
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
     ; CI-LABEL: name: test_load_private_v3s32_align16
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
     ; VI-LABEL: name: test_load_private_v3s32_align16
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
     ; GFX9-LABEL: name: test_load_private_v3s32_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v3s32_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
     ; CI-LABEL: name: test_load_private_v3s32_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
     ; VI-LABEL: name: test_load_private_v3s32_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
     ; GFX9-LABEL: name: test_load_private_v3s32_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; GFX9: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<3 x s32>) = G_LOAD %0 :: (load 12, align 4, addrspace 5)
     $vgpr0_vgpr1_vgpr2 = COPY %1
 ...
 
 ---
 name: test_load_private_v4s32_align16
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v4s32_align16
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; SI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; SI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; SI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; SI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; SI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; SI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; SI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; SI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; SI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; SI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; CI-LABEL: name: test_load_private_v4s32_align16
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; VI-LABEL: name: test_load_private_v4s32_align16
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; GFX9-LABEL: name: test_load_private_v4s32_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 56)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 56)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 56)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 56)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 56)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 56)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 56)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 56)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 56)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 56)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 56)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 56)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 56)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 56)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 56)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 56)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 56)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 56)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 56)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 56)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 56)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 56)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 56)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 56)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 56)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 56)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 56)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 56)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 56)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 56)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 56)
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v4s32_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; CI-LABEL: name: test_load_private_v4s32_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; VI-LABEL: name: test_load_private_v4s32_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; GFX9-LABEL: name: test_load_private_v4s32_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<4 x s32>) = G_LOAD %0 :: (load 16, align 8, addrspace 5)
     $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
 ...
 
 ---
 name: test_load_private_v4s32_align4
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v4s32_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; CI-LABEL: name: test_load_private_v4s32_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; VI-LABEL: name: test_load_private_v4s32_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; GFX9-LABEL: name: test_load_private_v4s32_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<4 x s32>) = G_LOAD %0 :: (load 16, align 4, addrspace 5)
     $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
 ...
 
 ---
 name: test_load_private_v4s32_align2
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v4s32_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32), [[OR3]](s32)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; CI-LABEL: name: test_load_private_v4s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32), [[OR3]](s32)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; VI-LABEL: name: test_load_private_v4s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32), [[OR3]](s32)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; GFX9-LABEL: name: test_load_private_v4s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32), [[OR3]](s32)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<4 x s32>) = G_LOAD %0 :: (load 16, align 2, addrspace 5)
     $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
 ...
 
 ---
 name: test_load_private_v4s32_align1
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v4s32_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; SI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; SI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; SI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; SI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; SI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; SI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; SI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; SI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; SI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; SI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; CI-LABEL: name: test_load_private_v4s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; VI-LABEL: name: test_load_private_v4s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32), [[OR11]](s32)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<4 x s32>)
     ; GFX9-LABEL: name: test_load_private_v4s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2s64_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; CI-LABEL: name: test_load_private_v2s64_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; VI-LABEL: name: test_load_private_v2s64_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; GFX9-LABEL: name: test_load_private_v2s64_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<2 x s64>) = G_LOAD %0 :: (load 16, align 4, addrspace 5)
     $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
 ...
 
 ---
 name: test_load_private_v2s64_align16
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2s64_align16
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR5]](s32)
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C7]](s32)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; SI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; SI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; SI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; SI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; SI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; SI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; SI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; SI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; SI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; SI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; SI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR8]](s32), [[OR11]](s32)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; CI-LABEL: name: test_load_private_v2s64_align16
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR5]](s32)
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C7]](s32)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR8]](s32), [[OR11]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; VI-LABEL: name: test_load_private_v2s64_align16
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR5]](s32)
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C7]](s32)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR8]](s32), [[OR11]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BUILD_VECTOR]](<2 x s64>)
     ; GFX9-LABEL: name: test_load_private_v2s64_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR5]](s32)
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C7]](s32)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v3s64_align32
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 32, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 16, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 16, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; SI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD4]](s32), [[LOAD5]](s32)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64)
     ; SI: [[DEF:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<3 x s64>), 0
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT]](<4 x s64>)
     ; CI-LABEL: name: test_load_private_v3s64_align32
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 32, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 16, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 16, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; CI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD4]](s32), [[LOAD5]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64)
     ; CI: [[DEF:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; CI: [[INSERT:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<3 x s64>), 0
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT]](<4 x s64>)
     ; VI-LABEL: name: test_load_private_v3s64_align32
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 32, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 16, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 16, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; VI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD4]](s32), [[LOAD5]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64)
     ; VI: [[DEF:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; VI: [[INSERT:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<3 x s64>), 0
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_private_v3s64_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 32, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 16, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 16, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; GFX9: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD4]](s32), [[LOAD5]](s32)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64)
     ; GFX9: [[DEF:%[0-9]+]]:_(<4 x s64>) = G_IMPLICIT_DEF
     ; GFX9: [[INSERT:%[0-9]+]]:_(<4 x s64>) = G_INSERT [[DEF]], [[BUILD_VECTOR]](<3 x s64>), 0
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[INSERT]](<4 x s64>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<3 x s64>) = G_LOAD %0 :: (load 24, align 32, addrspace 5)
     %2:_(<4 x s64>) = G_IMPLICIT_DEF
     %3:_(<4 x s64>) = G_INSERT %2, %1, 0
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %3
 ...
 
 ---
 name: test_load_private_v4s64_align32
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v4s64_align32
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 32, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 16, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 16, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; SI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD4]](s32), [[LOAD5]](s32)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from undef + 24, align 8, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from unknown-address + 24, align 8, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from undef + 28, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from unknown-address + 28, addrspace 5)
     ; SI: [[MV3:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD6]](s32), [[LOAD7]](s32)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64), [[MV3]](s64)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BUILD_VECTOR]](<4 x s64>)
     ; CI-LABEL: name: test_load_private_v4s64_align32
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 32, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 16, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 16, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; CI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD4]](s32), [[LOAD5]](s32)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from undef + 24, align 8, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from unknown-address + 24, align 8, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from undef + 28, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from unknown-address + 28, addrspace 5)
     ; CI: [[MV3:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD6]](s32), [[LOAD7]](s32)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64), [[MV3]](s64)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BUILD_VECTOR]](<4 x s64>)
     ; VI-LABEL: name: test_load_private_v4s64_align32
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 32, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 16, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 16, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; VI: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD4]](s32), [[LOAD5]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from undef + 24, align 8, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from unknown-address + 24, align 8, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from undef + 28, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from unknown-address + 28, addrspace 5)
     ; VI: [[MV3:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD6]](s32), [[LOAD7]](s32)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64), [[MV3]](s64)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BUILD_VECTOR]](<4 x s64>)
     ; GFX9-LABEL: name: test_load_private_v4s64_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 32, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[MV:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD]](s32), [[LOAD1]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[MV1:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD2]](s32), [[LOAD3]](s32)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 16, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 16, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; GFX9: [[MV2:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD4]](s32), [[LOAD5]](s32)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from undef + 24, align 8, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from unknown-address + 24, align 8, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from undef + 28, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from unknown-address + 28, addrspace 5)
     ; GFX9: [[MV3:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[LOAD6]](s32), [[LOAD7]](s32)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s64>) = G_BUILD_VECTOR [[MV]](s64), [[MV1]](s64), [[MV2]](s64), [[MV3]](s64)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BUILD_VECTOR]](<4 x s64>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<4 x s64>) = G_LOAD %0 :: (load 32, align 32, addrspace 5)
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
 ...
 
 ---
 name: test_load_private_v2p1_align4
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2p1_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     ; CI-LABEL: name: test_load_private_v2p1_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     ; VI-LABEL: name: test_load_private_v2p1_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     ; GFX9-LABEL: name: test_load_private_v2p1_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<2 x p1>) = G_BITCAST [[BUILD_VECTOR]](<4 x s32>)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[BITCAST]](<2 x p1>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<2 x p1>) = G_LOAD %0 :: (load 16, align 4, addrspace 5)
     $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %1
 ...
 
 ---
 name: test_load_private_v4p1_align8
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v4p1_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 8, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 8, addrspace 5)
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 20
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from undef + 24, align 8, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from unknown-address + 24, align 8, addrspace 5)
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 28
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C6]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from undef + 28, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from unknown-address + 28, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<8 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32), [[LOAD6]](s32), [[LOAD7]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(<4 x p1>) = G_BITCAST [[BUILD_VECTOR]](<8 x s32>)
     ; SI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BITCAST]](<4 x p1>)
     ; CI-LABEL: name: test_load_private_v4p1_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 8, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 8, addrspace 5)
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 20
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from undef + 24, align 8, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from unknown-address + 24, align 8, addrspace 5)
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 28
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C6]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from undef + 28, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from unknown-address + 28, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<8 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32), [[LOAD6]](s32), [[LOAD7]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(<4 x p1>) = G_BITCAST [[BUILD_VECTOR]](<8 x s32>)
     ; CI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BITCAST]](<4 x p1>)
     ; VI-LABEL: name: test_load_private_v4p1_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 8, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 8, addrspace 5)
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 20
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from undef + 24, align 8, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from unknown-address + 24, align 8, addrspace 5)
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 28
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C6]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from undef + 28, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from unknown-address + 28, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<8 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32), [[LOAD6]](s32), [[LOAD7]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(<4 x p1>) = G_BITCAST [[BUILD_VECTOR]](<8 x s32>)
     ; VI: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BITCAST]](<4 x p1>)
     ; GFX9-LABEL: name: test_load_private_v4p1_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, align 8, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, align 8, addrspace 5)
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 20
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from undef + 24, align 8, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 4 from unknown-address + 24, align 8, addrspace 5)
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 28
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C6]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from undef + 28, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 4 from unknown-address + 28, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<8 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32), [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32), [[LOAD6]](s32), [[LOAD7]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<4 x p1>) = G_BITCAST [[BUILD_VECTOR]](<8 x s32>)
     ; GFX9: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[BITCAST]](<4 x p1>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<4 x p1>) = G_LOAD %0 :: (load 32, align 8, addrspace 5)
     $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %1
 ...
 
 ---
 name: test_load_private_v2p3_align8
 body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_load_private_v2p3_align8
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(p3) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(p3) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(p3) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[LOAD]](p3), [[LOAD1]](p3)
     ; SI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
     ; CI-LABEL: name: test_load_private_v2p3_align8
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(p3) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(p3) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(p3) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[LOAD]](p3), [[LOAD1]](p3)
     ; CI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
     ; VI-LABEL: name: test_load_private_v2p3_align8
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(p3) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(p3) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(p3) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[LOAD]](p3), [[LOAD1]](p3)
     ; VI: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
     ; GFX9-LABEL: name: test_load_private_v2p3_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(p3) = G_LOAD [[COPY]](p5) :: (load 4, align 8, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(p3) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(p3) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x p3>) = G_BUILD_VECTOR [[LOAD]](p3), [[LOAD1]](p3)
     ; GFX9: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x p3>)
     %0:_(p5) = COPY $vgpr0
     %1:_(<2 x p3>) = G_LOAD %0 :: (load 8, align 8, addrspace 5)
     $vgpr0_vgpr1 = COPY %1
 ...
 
 ---
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_extload_private_v2s96_from_24_align1
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; SI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; SI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; SI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; SI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; SI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; SI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; SI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; SI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; SI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; SI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; SI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; SI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; SI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; SI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; SI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; SI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; SI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; SI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; SI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; SI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; SI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; SI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; SI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s32)
-    ; SI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p5) :: (load 1 from undef + 16, addrspace 5)
+    ; SI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p5) :: (load 1 from unknown-address + 16, addrspace 5)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C]](s32)
-    ; SI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p5) :: (load 1 from undef + 17, addrspace 5)
+    ; SI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p5) :: (load 1 from unknown-address + 17, addrspace 5)
     ; SI: [[PTR_ADD17:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s32)
-    ; SI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p5) :: (load 1 from undef + 18, addrspace 5)
+    ; SI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p5) :: (load 1 from unknown-address + 18, addrspace 5)
     ; SI: [[PTR_ADD18:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s32)
-    ; SI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p5) :: (load 1 from undef + 19, addrspace 5)
+    ; SI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p5) :: (load 1 from unknown-address + 19, addrspace 5)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; SI: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; SI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; SI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; SI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; SI: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; SI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; SI: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; SI: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; SI: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; SI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; SI: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; SI: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; SI: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; SI: [[PTR_ADD19:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s32)
-    ; SI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p5) :: (load 1 from undef + 20, addrspace 5)
+    ; SI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p5) :: (load 1 from unknown-address + 20, addrspace 5)
     ; SI: [[PTR_ADD20:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C]](s32)
-    ; SI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p5) :: (load 1 from undef + 21, addrspace 5)
+    ; SI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p5) :: (load 1 from unknown-address + 21, addrspace 5)
     ; SI: [[PTR_ADD21:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s32)
-    ; SI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p5) :: (load 1 from undef + 22, addrspace 5)
+    ; SI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p5) :: (load 1 from unknown-address + 22, addrspace 5)
     ; SI: [[PTR_ADD22:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s32)
-    ; SI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p5) :: (load 1 from undef + 23, addrspace 5)
+    ; SI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p5) :: (load 1 from unknown-address + 23, addrspace 5)
     ; SI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; SI: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; SI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; SI: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; SI: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; SI: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; SI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; SI: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
bb.0:
     ; SI: [[COPY26:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY25]](s96)
     ; SI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY26]](s96)
     ; CI-LABEL: name: test_extload_private_v2s96_from_24_align1
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; CI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; CI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; CI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; CI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; CI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; CI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; CI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; CI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; CI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; CI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; CI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; CI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; CI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; CI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; CI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; CI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; CI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; CI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; CI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; CI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; CI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; CI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; CI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; CI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; CI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; CI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; CI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; CI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; CI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; CI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; CI: [[PTR_ADD15:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s32)
-    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p5) :: (load 1 from undef + 16, addrspace 5)
+    ; CI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p5) :: (load 1 from unknown-address + 16, addrspace 5)
     ; CI: [[PTR_ADD16:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C]](s32)
-    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p5) :: (load 1 from undef + 17, addrspace 5)
+    ; CI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p5) :: (load 1 from unknown-address + 17, addrspace 5)
     ; CI: [[PTR_ADD17:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s32)
-    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p5) :: (load 1 from undef + 18, addrspace 5)
+    ; CI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p5) :: (load 1 from unknown-address + 18, addrspace 5)
     ; CI: [[PTR_ADD18:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s32)
-    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p5) :: (load 1 from undef + 19, addrspace 5)
+    ; CI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p5) :: (load 1 from unknown-address + 19, addrspace 5)
     ; CI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; CI: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; CI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; CI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; CI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; CI: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; CI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; CI: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; CI: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; CI: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; CI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; CI: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; CI: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; CI: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; CI: [[PTR_ADD19:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s32)
-    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p5) :: (load 1 from undef + 20, addrspace 5)
+    ; CI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p5) :: (load 1 from unknown-address + 20, addrspace 5)
     ; CI: [[PTR_ADD20:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C]](s32)
-    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p5) :: (load 1 from undef + 21, addrspace 5)
+    ; CI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p5) :: (load 1 from unknown-address + 21, addrspace 5)
     ; CI: [[PTR_ADD21:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s32)
-    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p5) :: (load 1 from undef + 22, addrspace 5)
+    ; CI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p5) :: (load 1 from unknown-address + 22, addrspace 5)
     ; CI: [[PTR_ADD22:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s32)
-    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p5) :: (load 1 from undef + 23, addrspace 5)
+    ; CI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p5) :: (load 1 from unknown-address + 23, addrspace 5)
     ; CI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; CI: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; CI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; CI: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; CI: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; CI: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; CI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; CI: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
bb.0:
     ; CI: [[COPY26:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY25]](s96)
     ; CI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY26]](s96)
     ; VI-LABEL: name: test_extload_private_v2s96_from_24_align1
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; VI: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; VI: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; VI: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; VI: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; VI: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; VI: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; VI: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; VI: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; VI: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; VI: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; VI: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; VI: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; VI: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; VI: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; VI: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; VI: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; VI: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; VI: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; VI: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; VI: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; VI: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; VI: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; VI: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s32)
-    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p5) :: (load 1 from undef + 16, addrspace 5)
+    ; VI: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p5) :: (load 1 from unknown-address + 16, addrspace 5)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C]](s32)
-    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p5) :: (load 1 from undef + 17, addrspace 5)
+    ; VI: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p5) :: (load 1 from unknown-address + 17, addrspace 5)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s32)
-    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p5) :: (load 1 from undef + 18, addrspace 5)
+    ; VI: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p5) :: (load 1 from unknown-address + 18, addrspace 5)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s32)
-    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p5) :: (load 1 from undef + 19, addrspace 5)
+    ; VI: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p5) :: (load 1 from unknown-address + 19, addrspace 5)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; VI: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; VI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; VI: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; VI: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; VI: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; VI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; VI: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; VI: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; VI: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; VI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; VI: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; VI: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; VI: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s32)
-    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p5) :: (load 1 from undef + 20, addrspace 5)
+    ; VI: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p5) :: (load 1 from unknown-address + 20, addrspace 5)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C]](s32)
-    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p5) :: (load 1 from undef + 21, addrspace 5)
+    ; VI: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p5) :: (load 1 from unknown-address + 21, addrspace 5)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s32)
-    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p5) :: (load 1 from undef + 22, addrspace 5)
+    ; VI: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p5) :: (load 1 from unknown-address + 22, addrspace 5)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s32)
-    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p5) :: (load 1 from undef + 23, addrspace 5)
+    ; VI: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p5) :: (load 1 from unknown-address + 23, addrspace 5)
     ; VI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; VI: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; VI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; VI: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; VI: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; VI: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; VI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; VI: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
bb.0:
     ; VI: [[COPY26:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY25]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY26]](s96)
     ; GFX9-LABEL: name: test_extload_private_v2s96_from_24_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 1, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from undef + 1, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 1 from unknown-address + 1, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 1 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from undef + 3, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 1 from unknown-address + 3, addrspace 5)
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C3]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C4]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C3]]
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND2]], [[C5]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[OR]], [[SHL1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C3]]
     ; GFX9: [[C6:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C6]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[OR1]], [[SHL2]]
     ; GFX9: [[C7:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C7]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 1 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from undef + 5, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 1 from unknown-address + 5, addrspace 5)
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 1 from unknown-address + 6, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from undef + 7, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 1 from unknown-address + 7, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C3]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C4]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL3]]
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C3]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND6]], [[C5]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[OR3]], [[SHL4]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C3]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C6]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[OR4]], [[SHL5]]
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 1 from unknown-address + 8, addrspace 5)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from undef + 9, addrspace 5)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 1 from unknown-address + 9, addrspace 5)
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from undef + 10, addrspace 5)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 1 from unknown-address + 10, addrspace 5)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from undef + 11, addrspace 5)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 1 from unknown-address + 11, addrspace 5)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C3]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C3]]
     ; GFX9: [[SHL6:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C4]](s32)
     ; GFX9: [[OR6:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL6]]
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C3]]
     ; GFX9: [[SHL7:%[0-9]+]]:_(s32) = G_SHL [[AND10]], [[C5]](s32)
     ; GFX9: [[OR7:%[0-9]+]]:_(s32) = G_OR [[OR6]], [[SHL7]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C3]]
     ; GFX9: [[SHL8:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C6]](s32)
     ; GFX9: [[OR8:%[0-9]+]]:_(s32) = G_OR [[OR7]], [[SHL8]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR2]](s32), [[OR5]](s32), [[OR8]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; GFX9: [[C8:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD11:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C8]](s32)
-    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD12:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD11]](p5) :: (load 1 from unknown-address + 12, addrspace 5)
     ; GFX9: [[PTR_ADD12:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C]](s32)
-    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from undef + 13, addrspace 5)
+    ; GFX9: [[LOAD13:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD12]](p5) :: (load 1 from unknown-address + 13, addrspace 5)
     ; GFX9: [[PTR_ADD13:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s32)
-    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from undef + 14, addrspace 5)
+    ; GFX9: [[LOAD14:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD13]](p5) :: (load 1 from unknown-address + 14, addrspace 5)
     ; GFX9: [[PTR_ADD14:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s32)
-    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from undef + 15, addrspace 5)
+    ; GFX9: [[LOAD15:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD14]](p5) :: (load 1 from unknown-address + 15, addrspace 5)
     ; GFX9: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LOAD12]](s32)
     ; GFX9: [[AND12:%[0-9]+]]:_(s32) = G_AND [[COPY13]], [[C3]]
     ; GFX9: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LOAD13]](s32)
     ; GFX9: [[AND13:%[0-9]+]]:_(s32) = G_AND [[COPY14]], [[C3]]
     ; GFX9: [[SHL9:%[0-9]+]]:_(s32) = G_SHL [[AND13]], [[C4]](s32)
     ; GFX9: [[OR9:%[0-9]+]]:_(s32) = G_OR [[AND12]], [[SHL9]]
     ; GFX9: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LOAD14]](s32)
     ; GFX9: [[AND14:%[0-9]+]]:_(s32) = G_AND [[COPY15]], [[C3]]
     ; GFX9: [[SHL10:%[0-9]+]]:_(s32) = G_SHL [[AND14]], [[C5]](s32)
     ; GFX9: [[OR10:%[0-9]+]]:_(s32) = G_OR [[OR9]], [[SHL10]]
     ; GFX9: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LOAD15]](s32)
     ; GFX9: [[AND15:%[0-9]+]]:_(s32) = G_AND [[COPY16]], [[C3]]
     ; GFX9: [[SHL11:%[0-9]+]]:_(s32) = G_SHL [[AND15]], [[C6]](s32)
     ; GFX9: [[OR11:%[0-9]+]]:_(s32) = G_OR [[OR10]], [[SHL11]]
     ; GFX9: [[PTR_ADD15:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C7]](s32)
-    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p5) :: (load 1 from undef + 16, addrspace 5)
+    ; GFX9: [[LOAD16:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD15]](p5) :: (load 1 from unknown-address + 16, addrspace 5)
     ; GFX9: [[PTR_ADD16:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C]](s32)
-    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p5) :: (load 1 from undef + 17, addrspace 5)
+    ; GFX9: [[LOAD17:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD16]](p5) :: (load 1 from unknown-address + 17, addrspace 5)
     ; GFX9: [[PTR_ADD17:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s32)
-    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p5) :: (load 1 from undef + 18, addrspace 5)
+    ; GFX9: [[LOAD18:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD17]](p5) :: (load 1 from unknown-address + 18, addrspace 5)
     ; GFX9: [[PTR_ADD18:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD15]], [[C2]](s32)
-    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p5) :: (load 1 from undef + 19, addrspace 5)
+    ; GFX9: [[LOAD19:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD18]](p5) :: (load 1 from unknown-address + 19, addrspace 5)
     ; GFX9: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LOAD16]](s32)
     ; GFX9: [[AND16:%[0-9]+]]:_(s32) = G_AND [[COPY17]], [[C3]]
     ; GFX9: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LOAD17]](s32)
     ; GFX9: [[AND17:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C3]]
     ; GFX9: [[SHL12:%[0-9]+]]:_(s32) = G_SHL [[AND17]], [[C4]](s32)
     ; GFX9: [[OR12:%[0-9]+]]:_(s32) = G_OR [[AND16]], [[SHL12]]
     ; GFX9: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LOAD18]](s32)
     ; GFX9: [[AND18:%[0-9]+]]:_(s32) = G_AND [[COPY19]], [[C3]]
     ; GFX9: [[SHL13:%[0-9]+]]:_(s32) = G_SHL [[AND18]], [[C5]](s32)
     ; GFX9: [[OR13:%[0-9]+]]:_(s32) = G_OR [[OR12]], [[SHL13]]
     ; GFX9: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LOAD19]](s32)
     ; GFX9: [[AND19:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C3]]
     ; GFX9: [[SHL14:%[0-9]+]]:_(s32) = G_SHL [[AND19]], [[C6]](s32)
     ; GFX9: [[OR14:%[0-9]+]]:_(s32) = G_OR [[OR13]], [[SHL14]]
     ; GFX9: [[PTR_ADD19:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s32)
-    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p5) :: (load 1 from undef + 20, addrspace 5)
+    ; GFX9: [[LOAD20:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD19]](p5) :: (load 1 from unknown-address + 20, addrspace 5)
     ; GFX9: [[PTR_ADD20:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C]](s32)
-    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p5) :: (load 1 from undef + 21, addrspace 5)
+    ; GFX9: [[LOAD21:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD20]](p5) :: (load 1 from unknown-address + 21, addrspace 5)
     ; GFX9: [[PTR_ADD21:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C1]](s32)
-    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p5) :: (load 1 from undef + 22, addrspace 5)
+    ; GFX9: [[LOAD22:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD21]](p5) :: (load 1 from unknown-address + 22, addrspace 5)
     ; GFX9: [[PTR_ADD22:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD19]], [[C2]](s32)
-    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p5) :: (load 1 from undef + 23, addrspace 5)
+    ; GFX9: [[LOAD23:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD22]](p5) :: (load 1 from unknown-address + 23, addrspace 5)
     ; GFX9: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LOAD20]](s32)
     ; GFX9: [[AND20:%[0-9]+]]:_(s32) = G_AND [[COPY21]], [[C3]]
     ; GFX9: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LOAD21]](s32)
     ; GFX9: [[AND21:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C3]]
     ; GFX9: [[SHL15:%[0-9]+]]:_(s32) = G_SHL [[AND21]], [[C4]](s32)
     ; GFX9: [[OR15:%[0-9]+]]:_(s32) = G_OR [[AND20]], [[SHL15]]
     ; GFX9: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LOAD22]](s32)
     ; GFX9: [[AND22:%[0-9]+]]:_(s32) = G_AND [[COPY23]], [[C3]]
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_extload_private_v2s96_from_24_align2
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; SI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; SI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; SI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; SI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; SI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; SI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; SI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s32)
-    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 2 from undef + 16, addrspace 5)
+    ; SI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 2 from unknown-address + 16, addrspace 5)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 2 from undef + 18, addrspace 5)
+    ; SI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 2 from unknown-address + 18, addrspace 5)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; SI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; SI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; SI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; SI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s32)
-    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 2 from undef + 20, addrspace 5)
+    ; SI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 2 from unknown-address + 20, addrspace 5)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD9]], [[C]](s32)
-    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 2 from undef + 22, addrspace 5)
+    ; SI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 2 from unknown-address + 22, addrspace 5)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; SI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; SI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; SI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; SI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; SI: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32), [[OR5]](s32)
     ; SI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; SI: [[COPY13:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; SI: [[COPY14:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY13]](s96)
     ; SI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY14]](s96)
     ; CI-LABEL: name: test_extload_private_v2s96_from_24_align2
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; CI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; CI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; CI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; CI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; CI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; CI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; CI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; CI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; CI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; CI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; CI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; CI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; CI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; CI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; CI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; CI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; CI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; CI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; CI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; CI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; CI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; CI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s32)
-    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 2 from undef + 16, addrspace 5)
+    ; CI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 2 from unknown-address + 16, addrspace 5)
     ; CI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 2 from undef + 18, addrspace 5)
+    ; CI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 2 from unknown-address + 18, addrspace 5)
     ; CI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; CI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; CI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; CI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; CI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; CI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; CI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s32)
-    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 2 from undef + 20, addrspace 5)
+    ; CI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 2 from unknown-address + 20, addrspace 5)
     ; CI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD9]], [[C]](s32)
-    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 2 from undef + 22, addrspace 5)
+    ; CI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 2 from unknown-address + 22, addrspace 5)
     ; CI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; CI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; CI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; CI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; CI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; CI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; CI: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32), [[OR5]](s32)
     ; CI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; CI: [[COPY13:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI: [[COPY14:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY13]](s96)
     ; CI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY14]](s96)
     ; VI-LABEL: name: test_extload_private_v2s96_from_24_align2
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; VI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; VI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; VI: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; VI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; VI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; VI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; VI: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; VI: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; VI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; VI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; VI: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; VI: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s32)
-    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 2 from undef + 16, addrspace 5)
+    ; VI: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 2 from unknown-address + 16, addrspace 5)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 2 from undef + 18, addrspace 5)
+    ; VI: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 2 from unknown-address + 18, addrspace 5)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; VI: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; VI: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; VI: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; VI: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s32)
-    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 2 from undef + 20, addrspace 5)
+    ; VI: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 2 from unknown-address + 20, addrspace 5)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD9]], [[C]](s32)
-    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 2 from undef + 22, addrspace 5)
+    ; VI: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 2 from unknown-address + 22, addrspace 5)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; VI: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; VI: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; VI: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; VI: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; VI: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32), [[OR5]](s32)
     ; VI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; VI: [[COPY13:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; VI: [[COPY14:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY13]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY14]](s96)
     ; GFX9-LABEL: name: test_extload_private_v2s96_from_24_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 2, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from undef + 2, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 2 from unknown-address + 2, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; GFX9: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C1]]
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX9: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C1]]
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
     ; GFX9: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
     ; GFX9: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C3]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 2 from unknown-address + 4, addrspace 5)
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD1]], [[C]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from undef + 6, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 2 from unknown-address + 6, addrspace 5)
     ; GFX9: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LOAD2]](s32)
     ; GFX9: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; GFX9: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LOAD3]](s32)
     ; GFX9: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; GFX9: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C2]](s32)
     ; GFX9: [[OR1:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[SHL1]]
     ; GFX9: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C4]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 2 from unknown-address + 8, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD3]], [[C]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from undef + 10, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 2 from unknown-address + 10, addrspace 5)
     ; GFX9: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LOAD4]](s32)
     ; GFX9: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C1]]
     ; GFX9: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LOAD5]](s32)
     ; GFX9: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY6]], [[C1]]
     ; GFX9: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[AND5]], [[C2]](s32)
     ; GFX9: [[OR2:%[0-9]+]]:_(s32) = G_OR [[AND4]], [[SHL2]]
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32), [[OR2]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; GFX9: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD5:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C5]](s32)
-    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD6:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD5]](p5) :: (load 2 from unknown-address + 12, addrspace 5)
     ; GFX9: [[PTR_ADD6:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C]](s32)
-    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from undef + 14, addrspace 5)
+    ; GFX9: [[LOAD7:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD6]](p5) :: (load 2 from unknown-address + 14, addrspace 5)
     ; GFX9: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LOAD6]](s32)
     ; GFX9: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY7]], [[C1]]
     ; GFX9: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LOAD7]](s32)
     ; GFX9: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C1]]
     ; GFX9: [[SHL3:%[0-9]+]]:_(s32) = G_SHL [[AND7]], [[C2]](s32)
     ; GFX9: [[OR3:%[0-9]+]]:_(s32) = G_OR [[AND6]], [[SHL3]]
     ; GFX9: [[PTR_ADD7:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s32)
-    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 2 from undef + 16, addrspace 5)
+    ; GFX9: [[LOAD8:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD7]](p5) :: (load 2 from unknown-address + 16, addrspace 5)
     ; GFX9: [[PTR_ADD8:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD7]], [[C]](s32)
-    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 2 from undef + 18, addrspace 5)
+    ; GFX9: [[LOAD9:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD8]](p5) :: (load 2 from unknown-address + 18, addrspace 5)
     ; GFX9: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LOAD8]](s32)
     ; GFX9: [[AND8:%[0-9]+]]:_(s32) = G_AND [[COPY9]], [[C1]]
     ; GFX9: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LOAD9]](s32)
     ; GFX9: [[AND9:%[0-9]+]]:_(s32) = G_AND [[COPY10]], [[C1]]
     ; GFX9: [[SHL4:%[0-9]+]]:_(s32) = G_SHL [[AND9]], [[C2]](s32)
     ; GFX9: [[OR4:%[0-9]+]]:_(s32) = G_OR [[AND8]], [[SHL4]]
     ; GFX9: [[PTR_ADD9:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD5]], [[C4]](s32)
-    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 2 from undef + 20, addrspace 5)
+    ; GFX9: [[LOAD10:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD9]](p5) :: (load 2 from unknown-address + 20, addrspace 5)
     ; GFX9: [[PTR_ADD10:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD9]], [[C]](s32)
-    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 2 from undef + 22, addrspace 5)
+    ; GFX9: [[LOAD11:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD10]](p5) :: (load 2 from unknown-address + 22, addrspace 5)
     ; GFX9: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LOAD10]](s32)
     ; GFX9: [[AND10:%[0-9]+]]:_(s32) = G_AND [[COPY11]], [[C1]]
     ; GFX9: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LOAD11]](s32)
     ; GFX9: [[AND11:%[0-9]+]]:_(s32) = G_AND [[COPY12]], [[C1]]
     ; GFX9: [[SHL5:%[0-9]+]]:_(s32) = G_SHL [[AND11]], [[C2]](s32)
     ; GFX9: [[OR5:%[0-9]+]]:_(s32) = G_OR [[AND10]], [[SHL5]]
     ; GFX9: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[OR3]](s32), [[OR4]](s32), [[OR5]](s32)
     ; GFX9: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_extload_private_v2s96_from_24_align4
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C1]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; SI: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32)
     ; SI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; SI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; SI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; SI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; CI-LABEL: name: test_extload_private_v2s96_from_24_align4
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C1]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; CI: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32)
     ; CI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; CI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; CI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; VI-LABEL: name: test_extload_private_v2s96_from_24_align4
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C1]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; VI: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32)
     ; VI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; VI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; GFX9-LABEL: name: test_extload_private_v2s96_from_24_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C1]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; GFX9: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32)
     ; GFX9: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; GFX9: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; GFX9: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     %0:_(p5) = COPY $vgpr0
     %1:_(<2 x s96>) = G_LOAD %0 :: (load 24, align 4, addrspace 5)
body: |
   bb.0:
     liveins: $vgpr0
 
     ; SI-LABEL: name: test_extload_private_v2s96_from_24_align16
     ; SI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; SI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 16, addrspace 5)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; SI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; SI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; SI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; SI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; SI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; SI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C]](s32)
-    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, addrspace 5)
+    ; SI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, addrspace 5)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C1]](s32)
-    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; SI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; SI: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32)
     ; SI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; SI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; SI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; SI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; SI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; CI-LABEL: name: test_extload_private_v2s96_from_24_align16
     ; CI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 16, addrspace 5)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; CI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; CI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; CI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; CI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C]](s32)
-    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, addrspace 5)
+    ; CI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, addrspace 5)
     ; CI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C1]](s32)
-    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; CI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; CI: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32)
     ; CI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; CI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; CI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; CI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; CI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; VI-LABEL: name: test_extload_private_v2s96_from_24_align16
     ; VI: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; VI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 16, addrspace 5)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; VI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; VI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; VI: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; VI: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; VI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C]](s32)
-    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, addrspace 5)
+    ; VI: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, addrspace 5)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C1]](s32)
-    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; VI: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; VI: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32)
     ; VI: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; VI: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; VI: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; VI: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     ; GFX9-LABEL: name: test_extload_private_v2s96_from_24_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p5) = COPY $vgpr0
     ; GFX9: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p5) :: (load 4, align 16, addrspace 5)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C]](s32)
-    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from undef + 4, addrspace 5)
+    ; GFX9: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p5) :: (load 4 from unknown-address + 4, addrspace 5)
     ; GFX9: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C1]](s32)
-    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from undef + 8, align 8, addrspace 5)
+    ; GFX9: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p5) :: (load 4 from unknown-address + 8, align 8, addrspace 5)
     ; GFX9: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD]](s32), [[LOAD1]](s32), [[LOAD2]](s32)
     ; GFX9: [[BITCAST:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR]](<3 x s32>)
     ; GFX9: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 12
     ; GFX9: [[PTR_ADD2:%[0-9]+]]:_(p5) = G_PTR_ADD [[COPY]], [[C2]](s32)
-    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from undef + 12, addrspace 5)
+    ; GFX9: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p5) :: (load 4 from unknown-address + 12, addrspace 5)
     ; GFX9: [[PTR_ADD3:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C]](s32)
-    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from undef + 16, addrspace 5)
+    ; GFX9: [[LOAD4:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD3]](p5) :: (load 4 from unknown-address + 16, addrspace 5)
     ; GFX9: [[PTR_ADD4:%[0-9]+]]:_(p5) = G_PTR_ADD [[PTR_ADD2]], [[C1]](s32)
-    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from undef + 20, addrspace 5)
+    ; GFX9: [[LOAD5:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD4]](p5) :: (load 4 from unknown-address + 20, addrspace 5)
     ; GFX9: [[BUILD_VECTOR1:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[LOAD3]](s32), [[LOAD4]](s32), [[LOAD5]](s32)
     ; GFX9: [[BITCAST1:%[0-9]+]]:_(s96) = G_BITCAST [[BUILD_VECTOR1]](<3 x s32>)
     ; GFX9: [[COPY1:%[0-9]+]]:_(s96) = COPY [[BITCAST]](s96)
     ; GFX9: [[COPY2:%[0-9]+]]:_(s96) = COPY [[BITCAST1]](s96)
     ; GFX9: $vgpr0_vgpr1_vgpr2 = COPY [[COPY1]](s96)
     ; GFX9: $vgpr3_vgpr4_vgpr5 = COPY [[COPY2]](s96)
     %0:_(p5) = COPY $vgpr0
     %1:_(<2 x s96>) = G_LOAD %0 :: (load 24, align 16, addrspace 5)
     %2:_(s96) = G_EXTRACT %1, 0
     %3:_(s96) = G_EXTRACT %1, 96
     $vgpr0_vgpr1_vgpr2 = COPY %2
     $vgpr3_vgpr4_vgpr5 = COPY %3
 ...

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sextload-constant-32bit.mir

bb.0:
 
     ; CI-LABEL: name: test_sextload_constant32bit_s64_s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p6) = COPY $sgpr0
     ; CI: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[MV]](p4) :: (load 2, addrspace 6)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C1]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 6)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 6)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C2]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C3]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
 
     ; CI-LABEL: name: test_sextload_constant32bit_s64_s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p6) = COPY $sgpr0
     ; CI: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[MV]](p4) :: (load 1, addrspace 6)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C1]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 6)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 6)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C2]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 6)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 6)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C3]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 6)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 6)
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C4]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C4]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C5]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
 
     ; CI-LABEL: name: test_sextload_constant32bit_s32_s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p6) = COPY $sgpr0
     ; CI: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[MV]](p4) :: (load 1, addrspace 6)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C1]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 6)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 6)
     ; CI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C2]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C4]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C3]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[OR]](s16)
     ; CI: $vgpr0 = COPY [[SEXT]](s32)
     %0:_(p6) = COPY $sgpr0
     %1:_(s32) = G_SEXTLOAD %0 :: (load 2, align 1, addrspace 6)
     $vgpr0 = COPY %1
 ...

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-sextload-global.mir

body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; GFX8-LABEL: name: test_sextload_global_s32_from_2_align1
     ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX8: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX8: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX8: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX8: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX8: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX8: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX8: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX8: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX8: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX8: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX8: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[OR]](s16)
     ; GFX8: $vgpr0 = COPY [[SEXT]](s32)
     ; GFX6-LABEL: name: test_sextload_global_s32_from_2_align1
     ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX6: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX6: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX6: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX6: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX6: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX6: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX6: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX6: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX6: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX6: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; GFX8-LABEL: name: test_sextload_global_s64_from_2_align1
     ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX8: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX8: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX8: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX8: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX8: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX8: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX8: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX8: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX8: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX8: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX8: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[OR]](s16)
     ; GFX8: $vgpr0_vgpr1 = COPY [[SEXT]](s64)
     ; GFX6-LABEL: name: test_sextload_global_s64_from_2_align1
     ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX6: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX6: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX6: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX6: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX6: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX6: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX6: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX6: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX6: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX6: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store-global.mir

bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; CI-LABEL: name: test_store_global_s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; CI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; GFX9: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s32) = COPY $vgpr2
     %2:_(s16) = G_TRUNC %1
bb.0:
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, align 4, addrspace 1)
-    ; SI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; SI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     ; CI-LABEL: name: test_store_global_s24_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; CI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, align 4, addrspace 1)
-    ; CI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; CI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s24_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, align 4, addrspace 1)
-    ; VI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; VI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s24_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; GFX9: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, align 4, addrspace 1)
-    ; GFX9: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; GFX9: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s32) = COPY $vgpr2
     %2:_(s24) = G_TRUNC %1
     G_STORE %2, %0 :: (store 3, align 4, addrspace 1)
 ...
 
 ---
 name: test_store_global_s24_align2
bb.0:
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; SI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[AND1]], [[AND]](s32)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; SI: G_STORE [[COPY5]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     ; CI-LABEL: name: test_store_global_s24_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; CI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
-    ; CI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; CI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s24_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16777215
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[C]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[AND1]], [[AND]](s32)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; VI: G_STORE [[COPY5]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s24_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; GFX9: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
-    ; GFX9: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; GFX9: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s32) = COPY $vgpr2
     %2:_(s24) = G_TRUNC %1
     G_STORE %2, %0 :: (store 3, align 2, addrspace 1)
 ...
 
 ---
 name: test_store_global_s24_align1
bb.0:
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; SI: [[AND2:%[0-9]+]]:_(s32) = G_AND [[COPY5]], [[C3]]
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[AND2]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; SI: G_STORE [[COPY6]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; CI-LABEL: name: test_store_global_s24_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; CI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, align 1, addrspace 1)
-    ; CI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; CI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s24_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY2]](s32)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16777215
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[C]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY3]], [[C1]]
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY4]], [[C1]]
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[AND1]], [[AND]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[LSHR1:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC]], [[C2]](s16)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[COPY2]](s32)
     ; VI: G_STORE [[COPY5]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR1]](s16)
-    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s24_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; GFX9: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; GFX9: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; GFX9: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, align 1, addrspace 1)
-    ; GFX9: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; GFX9: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s32) = COPY $vgpr2
     %2:_(s24) = G_TRUNC %1
     G_STORE %2, %0 :: (store 3, align 1, addrspace 1)
 ...
 
 ---
 name: test_store_global_s25_align4
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; CI-LABEL: name: test_store_global_s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; CI: G_STORE [[COPY1]](s32), [[COPY]](p1) :: (store 4, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; GFX9: G_STORE [[COPY1]](s32), [[COPY]](p1) :: (store 4, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s32) = COPY $vgpr2
     G_STORE %1, %0 :: (store 4, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; CI-LABEL: name: test_store_global_s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; CI: G_STORE [[COPY1]](s32), [[COPY]](p1) :: (store 4, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY1]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[COPY1]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
     ; GFX9: G_STORE [[COPY1]](s32), [[COPY]](p1) :: (store 4, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s32) = COPY $vgpr2
     G_STORE %1, %0 :: (store 4, align 2, addrspace 1)
 ...
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[PTRTOINT]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; CI-LABEL: name: test_store_global_p3_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(p3) = COPY $vgpr2
     ; CI: G_STORE [[COPY1]](p3), [[COPY]](p1) :: (store 4, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_p3_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(p3) = COPY $vgpr2
     ; VI: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[COPY1]](p3)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[PTRTOINT]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_p3_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(p3) = COPY $vgpr2
     ; GFX9: G_STORE [[COPY1]](p3), [[COPY]](p1) :: (store 4, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(p3) = COPY $vgpr2
     G_STORE %1, %0 :: (store 4, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[COPY1]](p3)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[PTRTOINT]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; CI-LABEL: name: test_store_global_p3_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(p3) = COPY $vgpr2
     ; CI: G_STORE [[COPY1]](p3), [[COPY]](p1) :: (store 4, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_p3_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(p3) = COPY $vgpr2
     ; VI: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[COPY1]](p3)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[PTRTOINT]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_p3_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(p3) = COPY $vgpr2
     ; GFX9: G_STORE [[COPY1]](p3), [[COPY]](p1) :: (store 4, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(p3) = COPY $vgpr2
     G_STORE %1, %0 :: (store 4, align 2, addrspace 1)
 ...
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C2]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[EXTRACT]](s32)
     ; SI: G_STORE [[COPY4]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[C]](s32)
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[EXTRACT1]](s16)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[ZEXT]], [[COPY8]](s32)
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[EXTRACT1]](s16)
-    ; SI: G_STORE [[ANYEXT]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[ANYEXT]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; CI-LABEL: name: test_store_global_s48_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; CI: [[COPY2:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
     ; CI: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY2]], [[C]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; CI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY2]](s64)
     ; CI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 4, align 1, addrspace 1)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
-    ; CI: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 4, align 1, addrspace 1)
+    ; CI: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 4, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_s48_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; VI: [[COPY2:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
     ; VI: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY2]](s64), 0
     ; VI: [[COPY3:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s16) = G_EXTRACT [[COPY3]](s64), 32
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C2]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[EXTRACT]](s32)
     ; VI: G_STORE [[COPY4]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[C7:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[LSHR3:%[0-9]+]]:_(s16) = G_LSHR [[EXTRACT1]], [[C7]](s16)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[EXTRACT1]](s16)
-    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR3]](s16)
-    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s48_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; GFX9: [[COPY2:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
     ; GFX9: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY2]], [[C]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY2]](s64)
     ; GFX9: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 4, align 1, addrspace 1)
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
-    ; GFX9: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 4, align 1, addrspace 1)
+    ; GFX9: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 4, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s64) = COPY $vgpr2_vgpr3
     %2:_(s48) = G_TRUNC %1
     G_STORE %2, %0 :: (store 6, align 1, addrspace 1)
 ...
 
 ---
 name: test_store_global_s48_align2
bb.0:
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s16) = G_EXTRACT [[COPY3]](s64), 32
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[EXTRACT]](s32)
     ; SI: G_STORE [[COPY4]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[EXTRACT1]](s16)
-    ; SI: G_STORE [[ANYEXT]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[ANYEXT]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; CI-LABEL: name: test_store_global_s48_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; CI: [[COPY2:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
     ; CI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
     ; CI: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY2]], [[C]](s32)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; CI: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY2]](s64)
     ; CI: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 4, align 2, addrspace 1)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
-    ; CI: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; CI: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI-LABEL: name: test_store_global_s48_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; VI: [[COPY2:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
     ; VI: [[EXTRACT:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY2]](s64), 0
     ; VI: [[COPY3:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s16) = G_EXTRACT [[COPY3]](s64), 32
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[EXTRACT]](s32)
     ; VI: G_STORE [[COPY4]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[EXTRACT1]](s16)
-    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s48_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; GFX9: [[COPY2:%[0-9]+]]:_(s64) = COPY [[COPY1]](s64)
     ; GFX9: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 32
     ; GFX9: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[COPY2]], [[C]](s32)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; GFX9: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY2]](s64)
     ; GFX9: G_STORE [[TRUNC]](s32), [[COPY]](p1) :: (store 4, align 2, addrspace 1)
     ; GFX9: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64)
-    ; GFX9: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; GFX9: G_STORE [[TRUNC1]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s64) = COPY $vgpr2_vgpr3
     %2:_(s48) = G_TRUNC %1
     G_STORE %2, %0 :: (store 6, align 2, addrspace 1)
 ...
 
 # ---
 # name: test_store_global_s48_align4
bb.0:
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C2]]
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[AND3]], [[C1]](s32)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY9]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; CI-LABEL: name: test_store_global_s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](s64), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
bb.0:
     ; VI: [[LSHR3:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC1]], [[C1]](s16)
     ; VI: [[LSHR4:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC2]], [[C1]](s16)
     ; VI: [[LSHR5:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC3]], [[C1]](s16)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR2]](s16)
-    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR3]](s16)
-    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR4]](s16)
-    ; VI: G_STORE [[ANYEXT2]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[ANYEXT2]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR5]](s16)
-    ; VI: G_STORE [[ANYEXT3]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[ANYEXT3]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](s64), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s64) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; CI-LABEL: name: test_store_global_s64_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](s64), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s64_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s64_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s64) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](s64), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s64) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 2, addrspace 1)
 ...
bb.0:
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C2]]
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[AND3]], [[C1]](s32)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY9]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; CI-LABEL: name: test_store_global_p0_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(p0) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](p0), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_p0_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(p0) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](p0)
bb.0:
     ; VI: [[LSHR3:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC1]], [[C1]](s16)
     ; VI: [[LSHR4:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC2]], [[C1]](s16)
     ; VI: [[LSHR5:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC3]], [[C1]](s16)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR2]](s16)
-    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR3]](s16)
-    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR4]](s16)
-    ; VI: G_STORE [[ANYEXT2]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[ANYEXT2]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR5]](s16)
-    ; VI: G_STORE [[ANYEXT3]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[ANYEXT3]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_p0_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(p0) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](p0), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(p0) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; CI-LABEL: name: test_store_global_p0_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(p0) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](p0), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_p0_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(p0) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](p0)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_p0_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(p0) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](p0), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(p0) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 2, addrspace 1)
 ...
bb.0:
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C2]]
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[AND3]], [[C1]](s32)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY9]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; CI-LABEL: name: test_store_global_p999_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(p999) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](p999), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_p999_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(p999) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](p999)
bb.0:
     ; VI: [[LSHR3:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC1]], [[C1]](s16)
     ; VI: [[LSHR4:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC2]], [[C1]](s16)
     ; VI: [[LSHR5:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC3]], [[C1]](s16)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR2]](s16)
-    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR3]](s16)
-    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR4]](s16)
-    ; VI: G_STORE [[ANYEXT2]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[ANYEXT2]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR5]](s16)
-    ; VI: G_STORE [[ANYEXT3]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[ANYEXT3]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_p999_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(p999) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](p999), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(p999) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; CI-LABEL: name: test_store_global_p999_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(p999) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](p999), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_p999_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(p999) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](p999)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_p999_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(p999) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](p999), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(p999) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 2, addrspace 1)
 ...
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; CI-LABEL: name: test_store_global_v2s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](<2 x s32>), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v2s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v2s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](<2 x s32>), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; CI-LABEL: name: test_store_global_v2s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](<2 x s32>), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v2s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v2s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](<2 x s32>), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 2, addrspace 1)
 ...
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[PTRTOINT]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[PTRTOINT1:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV1]](p3)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[PTRTOINT1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; CI-LABEL: name: test_store_global_v2p3_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<2 x p3>) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](<2 x p3>), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v2p3_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<2 x p3>) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(p3), [[UV1:%[0-9]+]]:_(p3) = G_UNMERGE_VALUES [[COPY1]](<2 x p3>)
     ; VI: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV]](p3)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[PTRTOINT]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[PTRTOINT1:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV1]](p3)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[PTRTOINT1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v2p3_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x p3>) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](<2 x p3>), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x p3>) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV]](p3)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[PTRTOINT]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[PTRTOINT1:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV1]](p3)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT1]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[PTRTOINT1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; CI-LABEL: name: test_store_global_v2p3_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<2 x p3>) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](<2 x p3>), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v2p3_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<2 x p3>) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(p3), [[UV1:%[0-9]+]]:_(p3) = G_UNMERGE_VALUES [[COPY1]](<2 x p3>)
     ; VI: [[PTRTOINT:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV]](p3)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[PTRTOINT]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[PTRTOINT1:%[0-9]+]]:_(s32) = G_PTRTOINT [[UV1]](p3)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[PTRTOINT1]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[PTRTOINT1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v2p3_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x p3>) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](<2 x p3>), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x p3>) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 2, addrspace 1)
 ...
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C2]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C3]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[BITCAST2:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[BITCAST2]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[BITCAST3:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C2]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; CI-LABEL: name: test_store_global_v4s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](<4 x s16>), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v4s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
     ; VI: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C2]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C3]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[BITCAST2:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST2]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[BITCAST2]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[BITCAST3:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST3]], [[C2]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C3]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v4s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](<4 x s16>), [[COPY]](p1) :: (store 8, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<4 x s16>) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
     ; SI: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[BITCAST1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; CI-LABEL: name: test_store_global_v4s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
     ; CI: G_STORE [[COPY1]](<4 x s16>), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v4s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
     ; VI: [[UV:%[0-9]+]]:_(<2 x s16>), [[UV1:%[0-9]+]]:_(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
     ; VI: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[UV]](<2 x s16>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
     ; VI: [[BITCAST1:%[0-9]+]]:_(s32) = G_BITCAST [[UV1]](<2 x s16>)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST1]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[BITCAST]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[BITCAST1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v4s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
     ; GFX9: G_STORE [[COPY1]](<4 x s16>), [[COPY]](p1) :: (store 8, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<4 x s16>) = COPY $vgpr2_vgpr3
     G_STORE %1, %0 :: (store 8, align 2, addrspace 1)
 ...
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; CI-LABEL: name: test_store_global_v3s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v3s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[COPY1]](<3 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<3 x s32>), 64
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v3s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; GFX9: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     G_STORE %1, %0 :: (store 12, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; CI-LABEL: name: test_store_global_v3s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v3s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[COPY1]](<3 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<3 x s32>), 64
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v3s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; GFX9: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     G_STORE %1, %0 :: (store 12, align 2, addrspace 1)
 ...
 
 ---
 name: test_store_global_v3s32_align4
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4
 
     ; SI-LABEL: name: test_store_global_v3s32_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; SI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[COPY1]](<3 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<2 x s32>), [[COPY]](p1) :: (store 8, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_v3s32_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 4, addrspace 1)
     ; VI-LABEL: name: test_store_global_v3s32_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 4, addrspace 1)
bb.0:
     ; SI-LABEL: name: test_store_global_v3s32_align8
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; SI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[COPY1]](<3 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<2 x s32>), [[COPY]](p1) :: (store 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 8, align 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 8, align 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_v3s32_align8
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 8, addrspace 1)
     ; VI-LABEL: name: test_store_global_v3s32_align8
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 8, addrspace 1)
bb.0:
     ; SI-LABEL: name: test_store_global_v3s32_align16
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; SI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[COPY1]](<3 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<2 x s32>), [[COPY]](p1) :: (store 8, align 16, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 8, align 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 8, align 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_v3s32_align16
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_v3s32_align16
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 16, addrspace 1)
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; CI-LABEL: name: test_store_global_v4s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; CI: G_STORE [[COPY1]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v4s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v4s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; GFX9: G_STORE [[COPY1]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     G_STORE %1, %0 :: (store 16, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; CI-LABEL: name: test_store_global_v4s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; CI: G_STORE [[COPY1]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v4s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[COPY1]](<4 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v4s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; GFX9: G_STORE [[COPY1]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     G_STORE %1, %0 :: (store 16, align 2, addrspace 1)
 ...
bb.0:
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
     ; SI: [[AND3:%[0-9]+]]:_(s32) = G_AND [[COPY8]], [[C2]]
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[AND3]], [[C1]](s32)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY9]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C10]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
     ; SI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
     ; SI: [[AND4:%[0-9]+]]:_(s32) = G_AND [[COPY18]], [[C2]]
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[AND4]], [[COPY17]](s32)
     ; SI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
     ; SI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
     ; SI: [[AND5:%[0-9]+]]:_(s32) = G_AND [[COPY20]], [[C2]]
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[AND5]], [[COPY19]](s32)
     ; SI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
     ; SI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
     ; SI: [[AND6:%[0-9]+]]:_(s32) = G_AND [[COPY22]], [[C2]]
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[AND6]], [[COPY21]](s32)
     ; SI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
     ; SI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
     ; SI: [[AND7:%[0-9]+]]:_(s32) = G_AND [[COPY24]], [[C2]]
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[AND7]], [[COPY23]](s32)
     ; SI: [[COPY25:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY25]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY25]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY26:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY26]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY26]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY27:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY27]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY27]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY28:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY28]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY28]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
     ; SI: [[COPY29:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY29]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY29]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C7]](s64)
     ; SI: [[COPY30:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY30]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY30]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C8]](s64)
     ; SI: [[COPY31:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY31]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY31]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C9]](s64)
     ; SI: [[COPY32:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY32]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY32]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; CI-LABEL: name: test_store_global_v2s64_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; CI: G_STORE [[COPY1]](<2 x s64>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v2s64_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>)
bb.0:
     ; VI: [[LSHR3:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC1]], [[C1]](s16)
     ; VI: [[LSHR4:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC2]], [[C1]](s16)
     ; VI: [[LSHR5:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC3]], [[C1]](s16)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR2]](s16)
-    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[ANYEXT]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR3]](s16)
-    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 5
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR4]](s16)
-    ; VI: G_STORE [[ANYEXT2]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[ANYEXT2]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 7
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[ANYEXT3:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR5]](s16)
-    ; VI: G_STORE [[ANYEXT3]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[ANYEXT3]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](s64)
     ; VI: [[TRUNC4:%[0-9]+]]:_(s16) = G_TRUNC [[UV4]](s32)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[TRUNC5:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR6]](s32)
     ; VI: [[TRUNC6:%[0-9]+]]:_(s16) = G_TRUNC [[UV5]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[TRUNC7:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR7]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC4]], [[C1]](s16)
     ; VI: [[LSHR9:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC5]], [[C1]](s16)
     ; VI: [[LSHR10:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC6]], [[C1]](s16)
     ; VI: [[LSHR11:%[0-9]+]]:_(s16) = G_LSHR [[TRUNC7]], [[C1]](s16)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
     ; VI: [[ANYEXT4:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR8]](s16)
-    ; VI: G_STORE [[ANYEXT4]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[ANYEXT4]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[ANYEXT5:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR9]](s16)
-    ; VI: G_STORE [[ANYEXT5]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[ANYEXT5]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C6]](s64)
     ; VI: [[ANYEXT6:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR10]](s16)
-    ; VI: G_STORE [[ANYEXT6]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[ANYEXT6]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C7]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C8]](s64)
     ; VI: [[ANYEXT7:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR11]](s16)
-    ; VI: G_STORE [[ANYEXT7]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[ANYEXT7]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v2s64_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; GFX9: G_STORE [[COPY1]](<2 x s64>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     G_STORE %1, %0 :: (store 16, align 1, addrspace 1)
 ...
bb.0:
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](s64)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; CI-LABEL: name: test_store_global_v2s64_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; CI: G_STORE [[COPY1]](<2 x s64>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v2s64_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](s64)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 6
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](s64)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v2s64_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; GFX9: G_STORE [[COPY1]](<2 x s64>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x s64>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     G_STORE %1, %0 :: (store 16, align 2, addrspace 1)
 ...
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; CI-LABEL: name: test_store_global_v8s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<8 x s16>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; CI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<8 x s16>)
     ; CI: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v8s16_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<8 x s16>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<8 x s16>)
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[BITCAST]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v8s16_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<8 x s16>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<8 x s16>)
     ; GFX9: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<8 x s16>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     G_STORE %1, %0 :: (store 16, align 1, addrspace 1)
bb.0:
     ; SI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; CI-LABEL: name: test_store_global_v8s16_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<8 x s16>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; CI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<8 x s16>)
     ; CI: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v8s16_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<8 x s16>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<8 x s16>)
     ; VI: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<4 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v8s16_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<8 x s16>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<8 x s16>)
     ; GFX9: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<8 x s16>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     G_STORE %1, %0 :: (store 16, align 2, addrspace 1)
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; CI-LABEL: name: test_store_global_v2p0_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; CI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<2 x p0>)
     ; CI: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v2p0_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<2 x p0>)
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[BITCAST]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v2p0_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<2 x p0>)
     ; GFX9: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x p0>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     G_STORE %1, %0 :: (store 16, align 1, addrspace 1)
bb.0:
     ; SI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; CI-LABEL: name: test_store_global_v2p0_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; CI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<2 x p0>)
     ; CI: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v2p0_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<2 x p0>)
     ; VI: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<4 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v2p0_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x p0>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](<2 x p0>)
     ; GFX9: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x p0>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     G_STORE %1, %0 :: (store 16, align 2, addrspace 1)
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; CI-LABEL: name: test_store_global_s96_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; CI: G_STORE [[BITCAST]](<3 x s32>), [[COPY]](p1) :: (store 12, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_s96_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[BITCAST]](<3 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<3 x s32>), 64
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s96_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; GFX9: G_STORE [[BITCAST]](<3 x s32>), [[COPY]](p1) :: (store 12, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     G_STORE %1, %0 :: (store 12, align 1, addrspace 1)
bb.0:
     ; SI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; CI-LABEL: name: test_store_global_s96_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; CI: G_STORE [[BITCAST]](<3 x s32>), [[COPY]](p1) :: (store 12, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s96_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[BITCAST]](<3 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<3 x s32>), 64
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s96_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; GFX9: G_STORE [[BITCAST]](<3 x s32>), [[COPY]](p1) :: (store 12, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     G_STORE %1, %0 :: (store 12, align 2, addrspace 1)
bb.0:
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; SI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[BITCAST]](<3 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<2 x s32>), [[COPY]](p1) :: (store 8, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_s96_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; CI: G_STORE [[BITCAST]](<3 x s32>), [[COPY]](p1) :: (store 12, align 4, addrspace 1)
     ; VI-LABEL: name: test_store_global_s96_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
bb.0:
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; SI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[BITCAST]](<3 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<2 x s32>), [[COPY]](p1) :: (store 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 8, align 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 8, align 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_s96_align8
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; CI: G_STORE [[BITCAST]](<3 x s32>), [[COPY]](p1) :: (store 12, align 8, addrspace 1)
     ; VI-LABEL: name: test_store_global_s96_align8
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
bb.0:
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; SI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[BITCAST]](<3 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<2 x s32>), [[COPY]](p1) :: (store 8, align 16, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 8, align 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 8, align 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_s96_align16
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY1]](s96)
     ; CI: G_STORE [[BITCAST]](<3 x s32>), [[COPY]](p1) :: (store 12, align 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_s96_align16
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s96) = COPY $vgpr2_vgpr3_vgpr4
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; CI-LABEL: name: test_store_global_s128_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; CI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](s128)
     ; CI: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_s128_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](s128)
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[BITCAST]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s128_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](s128)
     ; GFX9: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     G_STORE %1, %0 :: (store 16, align 1, addrspace 1)
bb.0:
     ; SI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; CI-LABEL: name: test_store_global_s128_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; CI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](s128)
     ; CI: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s128_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](s128)
     ; VI: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<4 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s128_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<4 x s32>) = G_BITCAST [[COPY1]](s128)
     ; GFX9: G_STORE [[BITCAST]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s128) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     G_STORE %1, %0 :: (store 16, align 2, addrspace 1)
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; SI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; SI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C1]](s32)
     ; SI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C2]](s32)
     ; SI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; SI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; SI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; SI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; SI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; CI-LABEL: name: test_store_global_v5s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 1, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v5s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; VI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; VI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C1]](s32)
     ; VI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C2]](s32)
     ; VI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; VI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; VI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; VI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v5s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 1, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 1, addrspace 1)
 ...
 
 ---
 name: test_store_global_v5s32_align2
 body: |
bb.0:
     ; SI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; CI-LABEL: name: test_store_global_v5s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 2, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v5s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; VI: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[EXTRACT]](<4 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v5s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 2, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 2, addrspace 1)
 ...
 
 ---
 name: test_store_global_v5s32_align4
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
 
     ; SI-LABEL: name: test_store_global_v5s32_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_v5s32_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_v5s32_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v5s32_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 4, addrspace 1)
 ...
 
 ---
 name: test_store_global_v5s32_align8
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
 
     ; SI-LABEL: name: test_store_global_v5s32_align8
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_v5s32_align8
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     ; VI-LABEL: name: test_store_global_v5s32_align8
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v5s32_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 8, addrspace 1)
 ...
 
 ---
 name: test_store_global_v5s32_align16
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
 
     ; SI-LABEL: name: test_store_global_v5s32_align16
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_v5s32_align16
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_v5s32_align16
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v5s32_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[COPY1]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<5 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 16, addrspace 1)
 ...
 
 ---
 name: test_store_global_v5p3_align1
 body: |
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; SI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; SI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C1]](s32)
     ; SI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C2]](s32)
     ; SI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; SI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; SI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; SI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; SI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; CI-LABEL: name: test_store_global_v5p3_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 1, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v5p3_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; VI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; VI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C1]](s32)
     ; VI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C2]](s32)
     ; VI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; VI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; VI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; VI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v5p3_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 1, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 1, addrspace 1)
 ...
 
 ---
 name: test_store_global_v5p3_align2
 body: |
bb.0:
     ; SI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; CI-LABEL: name: test_store_global_v5p3_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 2, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v5p3_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[EXTRACT]](<4 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v5p3_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 2, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 2, addrspace 1)
 ...
 
 ---
 name: test_store_global_v5p3_align4
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
 
     ; SI-LABEL: name: test_store_global_v5p3_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; SI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_v5p3_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_v5p3_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v5p3_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 4, addrspace 1)
 ...
 
 ---
 name: test_store_global_v5p3_align8
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
 
     ; SI-LABEL: name: test_store_global_v5p3_align8
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; SI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_v5p3_align8
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     ; VI-LABEL: name: test_store_global_v5p3_align8
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v5p3_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 8, addrspace 1)
 ...
 
 ---
 name: test_store_global_v5p3_align16
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
 
     ; SI-LABEL: name: test_store_global_v5p3_align16
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; SI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_v5p3_align16
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_v5p3_align16
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v5p3_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](<5 x p3>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<5 x p3>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 16, addrspace 1)
 ...
 
 ---
 name: test_store_global_v10s16_align4
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
 
     ; SI-LABEL: name: test_store_global_v10s16_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[DEF:%[0-9]+]]:_(<10 x s16>) = G_IMPLICIT_DEF
     ; SI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[DEF]](<10 x s16>)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_v10s16_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[DEF:%[0-9]+]]:_(<10 x s16>) = G_IMPLICIT_DEF
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[DEF]](<10 x s16>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_v10s16_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[DEF:%[0-9]+]]:_(<10 x s16>) = G_IMPLICIT_DEF
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[DEF]](<10 x s16>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v10s16_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[DEF:%[0-9]+]]:_(<10 x s16>) = G_IMPLICIT_DEF
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[DEF]](<10 x s16>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<10 x s16>) = G_IMPLICIT_DEF
     G_STORE %1, %0 :: (store 20, align 16, addrspace 1)
 ...
 
 ---
 name: test_store_global_v11s16_align4
 body: |
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; SI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; SI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C1]](s32)
     ; SI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C2]](s32)
     ; SI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; SI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; SI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; SI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; SI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; CI-LABEL: name: test_store_global_s160_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 1, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_s160_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; VI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; VI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C1]](s32)
     ; VI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C2]](s32)
     ; VI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; VI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; VI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; VI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s160_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 1, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 1, addrspace 1)
 ...
 
 ---
 name: test_store_global_s160_align2
 body: |
bb.0:
     ; SI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; CI-LABEL: name: test_store_global_s160_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 2, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s160_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[EXTRACT]](<4 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT1]], [[C]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[EXTRACT1]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s160_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 2, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 2, addrspace 1)
 ...
 
 ---
 name: test_store_global_s160_align4
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
 
     ; SI-LABEL: name: test_store_global_s160_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; SI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_s160_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_s160_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s160_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 4, addrspace 1)
 ...
 
 ---
 name: test_store_global_s160_align8
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
 
     ; SI-LABEL: name: test_store_global_s160_align8
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; SI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_s160_align8
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     ; VI-LABEL: name: test_store_global_s160_align8
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s160_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 8, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 8, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 8, addrspace 1)
 ...
 
 ---
 name: test_store_global_s160_align16
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
 
     ; SI-LABEL: name: test_store_global_s160_align16
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; SI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_s160_align16
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; CI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_s160_align16
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; VI: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s160_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<5 x s32>) = G_BITCAST [[COPY1]](s160)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[BITCAST]](<5 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<5 x s32>), 128
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 16, align 16, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 16, align 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s160) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6
     G_STORE %1, %0 :: (store 20, align 16, addrspace 1)
 ...
 
 ---
 name: test_store_global_v8s32_align1
 body: |
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C2]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; SI: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32), [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<4 x s32>)
     ; SI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C]](s32)
     ; SI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C1]](s32)
     ; SI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C2]](s32)
     ; SI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[UV6]](s32)
-    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; SI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; SI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; SI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; SI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; SI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
     ; SI: [[LSHR15:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C]](s32)
     ; SI: [[LSHR16:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C1]](s32)
     ; SI: [[LSHR17:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C2]](s32)
     ; SI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[UV7]](s32)
-    ; SI: G_STORE [[COPY22]](s32), [[PTR_ADD19]](p1) :: (store 1 into undef + 20, addrspace 1)
+    ; SI: G_STORE [[COPY22]](s32), [[PTR_ADD19]](p1) :: (store 1 into unknown-address + 20, addrspace 1)
     ; SI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C3]](s64)
     ; SI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LSHR15]](s32)
-    ; SI: G_STORE [[COPY23]](s32), [[PTR_ADD20]](p1) :: (store 1 into undef + 21, addrspace 1)
+    ; SI: G_STORE [[COPY23]](s32), [[PTR_ADD20]](p1) :: (store 1 into unknown-address + 21, addrspace 1)
     ; SI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C4]](s64)
     ; SI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LSHR16]](s32)
-    ; SI: G_STORE [[COPY24]](s32), [[PTR_ADD21]](p1) :: (store 1 into undef + 22, addrspace 1)
+    ; SI: G_STORE [[COPY24]](s32), [[PTR_ADD21]](p1) :: (store 1 into unknown-address + 22, addrspace 1)
     ; SI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C5]](s64)
     ; SI: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LSHR17]](s32)
-    ; SI: G_STORE [[COPY25]](s32), [[PTR_ADD22]](p1) :: (store 1 into undef + 23, addrspace 1)
+    ; SI: G_STORE [[COPY25]](s32), [[PTR_ADD22]](p1) :: (store 1 into unknown-address + 23, addrspace 1)
     ; SI: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C7]](s64)
     ; SI: [[LSHR18:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C]](s32)
     ; SI: [[LSHR19:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C1]](s32)
     ; SI: [[LSHR20:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C2]](s32)
     ; SI: [[COPY26:%[0-9]+]]:_(s32) = COPY [[UV8]](s32)
-    ; SI: G_STORE [[COPY26]](s32), [[PTR_ADD23]](p1) :: (store 1 into undef + 24, addrspace 1)
+    ; SI: G_STORE [[COPY26]](s32), [[PTR_ADD23]](p1) :: (store 1 into unknown-address + 24, addrspace 1)
     ; SI: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
     ; SI: [[COPY27:%[0-9]+]]:_(s32) = COPY [[LSHR18]](s32)
-    ; SI: G_STORE [[COPY27]](s32), [[PTR_ADD24]](p1) :: (store 1 into undef + 25, addrspace 1)
+    ; SI: G_STORE [[COPY27]](s32), [[PTR_ADD24]](p1) :: (store 1 into unknown-address + 25, addrspace 1)
     ; SI: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
     ; SI: [[COPY28:%[0-9]+]]:_(s32) = COPY [[LSHR19]](s32)
-    ; SI: G_STORE [[COPY28]](s32), [[PTR_ADD25]](p1) :: (store 1 into undef + 26, addrspace 1)
+    ; SI: G_STORE [[COPY28]](s32), [[PTR_ADD25]](p1) :: (store 1 into unknown-address + 26, addrspace 1)
     ; SI: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
     ; SI: [[COPY29:%[0-9]+]]:_(s32) = COPY [[LSHR20]](s32)
-    ; SI: G_STORE [[COPY29]](s32), [[PTR_ADD26]](p1) :: (store 1 into undef + 27, addrspace 1)
+    ; SI: G_STORE [[COPY29]](s32), [[PTR_ADD26]](p1) :: (store 1 into unknown-address + 27, addrspace 1)
     ; SI: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C8]](s64)
     ; SI: [[LSHR21:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C]](s32)
     ; SI: [[LSHR22:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C1]](s32)
     ; SI: [[LSHR23:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C2]](s32)
     ; SI: [[COPY30:%[0-9]+]]:_(s32) = COPY [[UV9]](s32)
-    ; SI: G_STORE [[COPY30]](s32), [[PTR_ADD27]](p1) :: (store 1 into undef + 28, addrspace 1)
+    ; SI: G_STORE [[COPY30]](s32), [[PTR_ADD27]](p1) :: (store 1 into unknown-address + 28, addrspace 1)
     ; SI: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C3]](s64)
     ; SI: [[COPY31:%[0-9]+]]:_(s32) = COPY [[LSHR21]](s32)
-    ; SI: G_STORE [[COPY31]](s32), [[PTR_ADD28]](p1) :: (store 1 into undef + 29, addrspace 1)
+    ; SI: G_STORE [[COPY31]](s32), [[PTR_ADD28]](p1) :: (store 1 into unknown-address + 29, addrspace 1)
     ; SI: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C4]](s64)
     ; SI: [[COPY32:%[0-9]+]]:_(s32) = COPY [[LSHR22]](s32)
-    ; SI: G_STORE [[COPY32]](s32), [[PTR_ADD29]](p1) :: (store 1 into undef + 30, addrspace 1)
+    ; SI: G_STORE [[COPY32]](s32), [[PTR_ADD29]](p1) :: (store 1 into unknown-address + 30, addrspace 1)
     ; SI: [[PTR_ADD30:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C5]](s64)
     ; SI: [[COPY33:%[0-9]+]]:_(s32) = COPY [[LSHR23]](s32)
-    ; SI: G_STORE [[COPY33]](s32), [[PTR_ADD30]](p1) :: (store 1 into undef + 31, addrspace 1)
+    ; SI: G_STORE [[COPY33]](s32), [[PTR_ADD30]](p1) :: (store 1 into unknown-address + 31, addrspace 1)
     ; CI-LABEL: name: test_store_global_v8s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 1, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v8s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32), [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C2]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; VI: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32), [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<4 x s32>)
     ; VI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C]](s32)
     ; VI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C1]](s32)
     ; VI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C2]](s32)
     ; VI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[UV6]](s32)
-    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; VI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; VI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; VI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
     ; VI: [[LSHR15:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C]](s32)
     ; VI: [[LSHR16:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C1]](s32)
     ; VI: [[LSHR17:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C2]](s32)
     ; VI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[UV7]](s32)
-    ; VI: G_STORE [[COPY22]](s32), [[PTR_ADD19]](p1) :: (store 1 into undef + 20, addrspace 1)
+    ; VI: G_STORE [[COPY22]](s32), [[PTR_ADD19]](p1) :: (store 1 into unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C3]](s64)
     ; VI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LSHR15]](s32)
-    ; VI: G_STORE [[COPY23]](s32), [[PTR_ADD20]](p1) :: (store 1 into undef + 21, addrspace 1)
+    ; VI: G_STORE [[COPY23]](s32), [[PTR_ADD20]](p1) :: (store 1 into unknown-address + 21, addrspace 1)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C4]](s64)
     ; VI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LSHR16]](s32)
-    ; VI: G_STORE [[COPY24]](s32), [[PTR_ADD21]](p1) :: (store 1 into undef + 22, addrspace 1)
+    ; VI: G_STORE [[COPY24]](s32), [[PTR_ADD21]](p1) :: (store 1 into unknown-address + 22, addrspace 1)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C5]](s64)
     ; VI: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LSHR17]](s32)
-    ; VI: G_STORE [[COPY25]](s32), [[PTR_ADD22]](p1) :: (store 1 into undef + 23, addrspace 1)
+    ; VI: G_STORE [[COPY25]](s32), [[PTR_ADD22]](p1) :: (store 1 into unknown-address + 23, addrspace 1)
     ; VI: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C7]](s64)
     ; VI: [[LSHR18:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C]](s32)
     ; VI: [[LSHR19:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C1]](s32)
     ; VI: [[LSHR20:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C2]](s32)
     ; VI: [[COPY26:%[0-9]+]]:_(s32) = COPY [[UV8]](s32)
-    ; VI: G_STORE [[COPY26]](s32), [[PTR_ADD23]](p1) :: (store 1 into undef + 24, addrspace 1)
+    ; VI: G_STORE [[COPY26]](s32), [[PTR_ADD23]](p1) :: (store 1 into unknown-address + 24, addrspace 1)
     ; VI: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
     ; VI: [[COPY27:%[0-9]+]]:_(s32) = COPY [[LSHR18]](s32)
-    ; VI: G_STORE [[COPY27]](s32), [[PTR_ADD24]](p1) :: (store 1 into undef + 25, addrspace 1)
+    ; VI: G_STORE [[COPY27]](s32), [[PTR_ADD24]](p1) :: (store 1 into unknown-address + 25, addrspace 1)
     ; VI: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
     ; VI: [[COPY28:%[0-9]+]]:_(s32) = COPY [[LSHR19]](s32)
-    ; VI: G_STORE [[COPY28]](s32), [[PTR_ADD25]](p1) :: (store 1 into undef + 26, addrspace 1)
+    ; VI: G_STORE [[COPY28]](s32), [[PTR_ADD25]](p1) :: (store 1 into unknown-address + 26, addrspace 1)
     ; VI: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
     ; VI: [[COPY29:%[0-9]+]]:_(s32) = COPY [[LSHR20]](s32)
-    ; VI: G_STORE [[COPY29]](s32), [[PTR_ADD26]](p1) :: (store 1 into undef + 27, addrspace 1)
+    ; VI: G_STORE [[COPY29]](s32), [[PTR_ADD26]](p1) :: (store 1 into unknown-address + 27, addrspace 1)
     ; VI: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C8]](s64)
     ; VI: [[LSHR21:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C]](s32)
     ; VI: [[LSHR22:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C1]](s32)
     ; VI: [[LSHR23:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C2]](s32)
     ; VI: [[COPY30:%[0-9]+]]:_(s32) = COPY [[UV9]](s32)
-    ; VI: G_STORE [[COPY30]](s32), [[PTR_ADD27]](p1) :: (store 1 into undef + 28, addrspace 1)
+    ; VI: G_STORE [[COPY30]](s32), [[PTR_ADD27]](p1) :: (store 1 into unknown-address + 28, addrspace 1)
     ; VI: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C3]](s64)
     ; VI: [[COPY31:%[0-9]+]]:_(s32) = COPY [[LSHR21]](s32)
-    ; VI: G_STORE [[COPY31]](s32), [[PTR_ADD28]](p1) :: (store 1 into undef + 29, addrspace 1)
+    ; VI: G_STORE [[COPY31]](s32), [[PTR_ADD28]](p1) :: (store 1 into unknown-address + 29, addrspace 1)
     ; VI: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C4]](s64)
     ; VI: [[COPY32:%[0-9]+]]:_(s32) = COPY [[LSHR22]](s32)
-    ; VI: G_STORE [[COPY32]](s32), [[PTR_ADD29]](p1) :: (store 1 into undef + 30, addrspace 1)
+    ; VI: G_STORE [[COPY32]](s32), [[PTR_ADD29]](p1) :: (store 1 into unknown-address + 30, addrspace 1)
     ; VI: [[PTR_ADD30:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C5]](s64)
     ; VI: [[COPY33:%[0-9]+]]:_(s32) = COPY [[LSHR23]](s32)
-    ; VI: G_STORE [[COPY33]](s32), [[PTR_ADD30]](p1) :: (store 1 into undef + 31, addrspace 1)
+    ; VI: G_STORE [[COPY33]](s32), [[PTR_ADD30]](p1) :: (store 1 into unknown-address + 31, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v8s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 1, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 1, addrspace 1)
 ...
 
 ---
 name: test_store_global_v8s32_align2
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
 
     ; SI-LABEL: name: test_store_global_v8s32_align2
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; SI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; SI: [[UV2:%[0-9]+]]:_(<2 x s32>), [[UV3:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[UV]](<4 x s32>)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV2]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV3]](<2 x s32>)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV6]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV7]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[UV8:%[0-9]+]]:_(<2 x s32>), [[UV9:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[UV1]](<4 x s32>)
     ; SI: [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV8]](<2 x s32>)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV10]], [[C]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV10]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV11]], [[C]](s32)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[UV11]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 2 into undef + 20, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 2 into unknown-address + 20, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C1]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 2 into undef + 22, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 2 into unknown-address + 22, addrspace 1)
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[UV12:%[0-9]+]]:_(s32), [[UV13:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV9]](<2 x s32>)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV12]], [[C]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV12]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 2 into undef + 24, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 2 into unknown-address + 24, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 2 into undef + 26, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 2 into unknown-address + 26, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV13]], [[C]](s32)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[UV13]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 2 into undef + 28, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 2 into unknown-address + 28, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD13]], [[C1]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 2 into undef + 30, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 2 into unknown-address + 30, addrspace 1)
     ; CI-LABEL: name: test_store_global_v8s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 2, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v8s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(<2 x s32>), [[UV3:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[UV]](<4 x s32>)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV2]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV3]](<2 x s32>)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV6]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV7]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[UV8:%[0-9]+]]:_(<2 x s32>), [[UV9:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[UV1]](<4 x s32>)
     ; VI: [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV8]](<2 x s32>)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV10]], [[C]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV10]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV11]], [[C]](s32)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[UV11]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 2 into undef + 20, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 2 into unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C1]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 2 into undef + 22, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 2 into unknown-address + 22, addrspace 1)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[UV12:%[0-9]+]]:_(s32), [[UV13:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV9]](<2 x s32>)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV12]], [[C]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV12]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 2 into undef + 24, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 2 into unknown-address + 24, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 2 into undef + 26, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 2 into unknown-address + 26, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV13]], [[C]](s32)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[UV13]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 2 into undef + 28, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 2 into unknown-address + 28, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD13]], [[C1]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 2 into undef + 30, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 2 into unknown-address + 30, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v8s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 2, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 2, addrspace 1)
 ...
 
 ---
 name: test_store_global_v8s32_align4
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
 
     ; SI-LABEL: name: test_store_global_v8s32_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; SI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; SI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; CI-LABEL: name: test_store_global_v8s32_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; VI-LABEL: name: test_store_global_v8s32_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; VI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v8s32_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 4, addrspace 1)
 ...
 
 ---
 name: test_store_global_v8s32_align8
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
 
     ; SI-LABEL: name: test_store_global_v8s32_align8
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; SI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; SI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_v8s32_align8
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     ; VI-LABEL: name: test_store_global_v8s32_align8
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; VI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v8s32_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 8, addrspace 1)
 ...
 
 ---
 name: test_store_global_v8s32_align16
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
 
     ; SI-LABEL: name: test_store_global_v8s32_align16
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; SI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; SI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_v8s32_align16
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_v8s32_align16
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; VI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v8s32_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 16, addrspace 1)
 ...
 
 ---
 name: test_store_global_v2s128_align32
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
 
     ; SI-LABEL: name: test_store_global_v2s128_align32
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<2 x s128>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; SI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](<2 x s128>)
     ; SI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; SI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_v2s128_align32
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<2 x s128>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](<2 x s128>)
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_v2s128_align32
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<2 x s128>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](<2 x s128>)
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; VI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v2s128_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<2 x s128>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](<2 x s128>)
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x s128>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 32, addrspace 1)
 ...
 
 ---
 name: test_store_global_s256_align1
 body: |
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C2]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C2]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; SI: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32), [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<4 x s32>)
     ; SI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C]](s32)
     ; SI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C1]](s32)
     ; SI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C2]](s32)
     ; SI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[UV6]](s32)
-    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; SI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; SI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; SI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; SI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; SI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
     ; SI: [[LSHR15:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C]](s32)
     ; SI: [[LSHR16:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C1]](s32)
     ; SI: [[LSHR17:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C2]](s32)
     ; SI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[UV7]](s32)
-    ; SI: G_STORE [[COPY22]](s32), [[PTR_ADD19]](p1) :: (store 1 into undef + 20, addrspace 1)
+    ; SI: G_STORE [[COPY22]](s32), [[PTR_ADD19]](p1) :: (store 1 into unknown-address + 20, addrspace 1)
     ; SI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C3]](s64)
     ; SI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LSHR15]](s32)
-    ; SI: G_STORE [[COPY23]](s32), [[PTR_ADD20]](p1) :: (store 1 into undef + 21, addrspace 1)
+    ; SI: G_STORE [[COPY23]](s32), [[PTR_ADD20]](p1) :: (store 1 into unknown-address + 21, addrspace 1)
     ; SI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C4]](s64)
     ; SI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LSHR16]](s32)
-    ; SI: G_STORE [[COPY24]](s32), [[PTR_ADD21]](p1) :: (store 1 into undef + 22, addrspace 1)
+    ; SI: G_STORE [[COPY24]](s32), [[PTR_ADD21]](p1) :: (store 1 into unknown-address + 22, addrspace 1)
     ; SI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C5]](s64)
     ; SI: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LSHR17]](s32)
-    ; SI: G_STORE [[COPY25]](s32), [[PTR_ADD22]](p1) :: (store 1 into undef + 23, addrspace 1)
+    ; SI: G_STORE [[COPY25]](s32), [[PTR_ADD22]](p1) :: (store 1 into unknown-address + 23, addrspace 1)
     ; SI: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C7]](s64)
     ; SI: [[LSHR18:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C]](s32)
     ; SI: [[LSHR19:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C1]](s32)
     ; SI: [[LSHR20:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C2]](s32)
     ; SI: [[COPY26:%[0-9]+]]:_(s32) = COPY [[UV8]](s32)
-    ; SI: G_STORE [[COPY26]](s32), [[PTR_ADD23]](p1) :: (store 1 into undef + 24, addrspace 1)
+    ; SI: G_STORE [[COPY26]](s32), [[PTR_ADD23]](p1) :: (store 1 into unknown-address + 24, addrspace 1)
     ; SI: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
     ; SI: [[COPY27:%[0-9]+]]:_(s32) = COPY [[LSHR18]](s32)
-    ; SI: G_STORE [[COPY27]](s32), [[PTR_ADD24]](p1) :: (store 1 into undef + 25, addrspace 1)
+    ; SI: G_STORE [[COPY27]](s32), [[PTR_ADD24]](p1) :: (store 1 into unknown-address + 25, addrspace 1)
     ; SI: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
     ; SI: [[COPY28:%[0-9]+]]:_(s32) = COPY [[LSHR19]](s32)
-    ; SI: G_STORE [[COPY28]](s32), [[PTR_ADD25]](p1) :: (store 1 into undef + 26, addrspace 1)
+    ; SI: G_STORE [[COPY28]](s32), [[PTR_ADD25]](p1) :: (store 1 into unknown-address + 26, addrspace 1)
     ; SI: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
     ; SI: [[COPY29:%[0-9]+]]:_(s32) = COPY [[LSHR20]](s32)
-    ; SI: G_STORE [[COPY29]](s32), [[PTR_ADD26]](p1) :: (store 1 into undef + 27, addrspace 1)
+    ; SI: G_STORE [[COPY29]](s32), [[PTR_ADD26]](p1) :: (store 1 into unknown-address + 27, addrspace 1)
     ; SI: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C8]](s64)
     ; SI: [[LSHR21:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C]](s32)
     ; SI: [[LSHR22:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C1]](s32)
     ; SI: [[LSHR23:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C2]](s32)
     ; SI: [[COPY30:%[0-9]+]]:_(s32) = COPY [[UV9]](s32)
-    ; SI: G_STORE [[COPY30]](s32), [[PTR_ADD27]](p1) :: (store 1 into undef + 28, addrspace 1)
+    ; SI: G_STORE [[COPY30]](s32), [[PTR_ADD27]](p1) :: (store 1 into unknown-address + 28, addrspace 1)
     ; SI: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C3]](s64)
     ; SI: [[COPY31:%[0-9]+]]:_(s32) = COPY [[LSHR21]](s32)
-    ; SI: G_STORE [[COPY31]](s32), [[PTR_ADD28]](p1) :: (store 1 into undef + 29, addrspace 1)
+    ; SI: G_STORE [[COPY31]](s32), [[PTR_ADD28]](p1) :: (store 1 into unknown-address + 29, addrspace 1)
     ; SI: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C4]](s64)
     ; SI: [[COPY32:%[0-9]+]]:_(s32) = COPY [[LSHR22]](s32)
-    ; SI: G_STORE [[COPY32]](s32), [[PTR_ADD29]](p1) :: (store 1 into undef + 30, addrspace 1)
+    ; SI: G_STORE [[COPY32]](s32), [[PTR_ADD29]](p1) :: (store 1 into unknown-address + 30, addrspace 1)
     ; SI: [[PTR_ADD30:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C5]](s64)
     ; SI: [[COPY33:%[0-9]+]]:_(s32) = COPY [[LSHR23]](s32)
-    ; SI: G_STORE [[COPY33]](s32), [[PTR_ADD30]](p1) :: (store 1 into undef + 31, addrspace 1)
+    ; SI: G_STORE [[COPY33]](s32), [[PTR_ADD30]](p1) :: (store 1 into unknown-address + 31, addrspace 1)
     ; CI-LABEL: name: test_store_global_s256_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 1, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_s256_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32), [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C2]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C2]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; VI: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32), [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<4 x s32>)
     ; VI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C]](s32)
     ; VI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C1]](s32)
     ; VI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C2]](s32)
     ; VI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[UV6]](s32)
-    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; VI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; VI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; VI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
     ; VI: [[LSHR15:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C]](s32)
     ; VI: [[LSHR16:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C1]](s32)
     ; VI: [[LSHR17:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C2]](s32)
     ; VI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[UV7]](s32)
-    ; VI: G_STORE [[COPY22]](s32), [[PTR_ADD19]](p1) :: (store 1 into undef + 20, addrspace 1)
+    ; VI: G_STORE [[COPY22]](s32), [[PTR_ADD19]](p1) :: (store 1 into unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C3]](s64)
     ; VI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LSHR15]](s32)
-    ; VI: G_STORE [[COPY23]](s32), [[PTR_ADD20]](p1) :: (store 1 into undef + 21, addrspace 1)
+    ; VI: G_STORE [[COPY23]](s32), [[PTR_ADD20]](p1) :: (store 1 into unknown-address + 21, addrspace 1)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C4]](s64)
     ; VI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[LSHR16]](s32)
-    ; VI: G_STORE [[COPY24]](s32), [[PTR_ADD21]](p1) :: (store 1 into undef + 22, addrspace 1)
+    ; VI: G_STORE [[COPY24]](s32), [[PTR_ADD21]](p1) :: (store 1 into unknown-address + 22, addrspace 1)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C5]](s64)
     ; VI: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LSHR17]](s32)
-    ; VI: G_STORE [[COPY25]](s32), [[PTR_ADD22]](p1) :: (store 1 into undef + 23, addrspace 1)
+    ; VI: G_STORE [[COPY25]](s32), [[PTR_ADD22]](p1) :: (store 1 into unknown-address + 23, addrspace 1)
     ; VI: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C7]](s64)
     ; VI: [[LSHR18:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C]](s32)
     ; VI: [[LSHR19:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C1]](s32)
     ; VI: [[LSHR20:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C2]](s32)
     ; VI: [[COPY26:%[0-9]+]]:_(s32) = COPY [[UV8]](s32)
-    ; VI: G_STORE [[COPY26]](s32), [[PTR_ADD23]](p1) :: (store 1 into undef + 24, addrspace 1)
+    ; VI: G_STORE [[COPY26]](s32), [[PTR_ADD23]](p1) :: (store 1 into unknown-address + 24, addrspace 1)
     ; VI: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
     ; VI: [[COPY27:%[0-9]+]]:_(s32) = COPY [[LSHR18]](s32)
-    ; VI: G_STORE [[COPY27]](s32), [[PTR_ADD24]](p1) :: (store 1 into undef + 25, addrspace 1)
+    ; VI: G_STORE [[COPY27]](s32), [[PTR_ADD24]](p1) :: (store 1 into unknown-address + 25, addrspace 1)
     ; VI: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
     ; VI: [[COPY28:%[0-9]+]]:_(s32) = COPY [[LSHR19]](s32)
-    ; VI: G_STORE [[COPY28]](s32), [[PTR_ADD25]](p1) :: (store 1 into undef + 26, addrspace 1)
+    ; VI: G_STORE [[COPY28]](s32), [[PTR_ADD25]](p1) :: (store 1 into unknown-address + 26, addrspace 1)
     ; VI: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
     ; VI: [[COPY29:%[0-9]+]]:_(s32) = COPY [[LSHR20]](s32)
-    ; VI: G_STORE [[COPY29]](s32), [[PTR_ADD26]](p1) :: (store 1 into undef + 27, addrspace 1)
+    ; VI: G_STORE [[COPY29]](s32), [[PTR_ADD26]](p1) :: (store 1 into unknown-address + 27, addrspace 1)
     ; VI: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C8]](s64)
     ; VI: [[LSHR21:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C]](s32)
     ; VI: [[LSHR22:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C1]](s32)
     ; VI: [[LSHR23:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C2]](s32)
     ; VI: [[COPY30:%[0-9]+]]:_(s32) = COPY [[UV9]](s32)
-    ; VI: G_STORE [[COPY30]](s32), [[PTR_ADD27]](p1) :: (store 1 into undef + 28, addrspace 1)
+    ; VI: G_STORE [[COPY30]](s32), [[PTR_ADD27]](p1) :: (store 1 into unknown-address + 28, addrspace 1)
     ; VI: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C3]](s64)
     ; VI: [[COPY31:%[0-9]+]]:_(s32) = COPY [[LSHR21]](s32)
-    ; VI: G_STORE [[COPY31]](s32), [[PTR_ADD28]](p1) :: (store 1 into undef + 29, addrspace 1)
+    ; VI: G_STORE [[COPY31]](s32), [[PTR_ADD28]](p1) :: (store 1 into unknown-address + 29, addrspace 1)
     ; VI: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C4]](s64)
     ; VI: [[COPY32:%[0-9]+]]:_(s32) = COPY [[LSHR22]](s32)
-    ; VI: G_STORE [[COPY32]](s32), [[PTR_ADD29]](p1) :: (store 1 into undef + 30, addrspace 1)
+    ; VI: G_STORE [[COPY32]](s32), [[PTR_ADD29]](p1) :: (store 1 into unknown-address + 30, addrspace 1)
     ; VI: [[PTR_ADD30:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C5]](s64)
     ; VI: [[COPY33:%[0-9]+]]:_(s32) = COPY [[LSHR23]](s32)
-    ; VI: G_STORE [[COPY33]](s32), [[PTR_ADD30]](p1) :: (store 1 into undef + 31, addrspace 1)
+    ; VI: G_STORE [[COPY33]](s32), [[PTR_ADD30]](p1) :: (store 1 into unknown-address + 31, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s256_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 1, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 1, addrspace 1)
 ...
 
 ---
 name: test_store_global_s256_align2
 body: |
bb.0:
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV2]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV3]](<2 x s32>)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV6]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV7]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[UV8:%[0-9]+]]:_(<2 x s32>), [[UV9:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[UV1]](<4 x s32>)
     ; SI: [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV8]](<2 x s32>)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV10]], [[C]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV10]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV11]], [[C]](s32)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[UV11]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 2 into undef + 20, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 2 into unknown-address + 20, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C1]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 2 into undef + 22, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 2 into unknown-address + 22, addrspace 1)
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[UV12:%[0-9]+]]:_(s32), [[UV13:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV9]](<2 x s32>)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV12]], [[C]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV12]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 2 into undef + 24, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 2 into unknown-address + 24, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 2 into undef + 26, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 2 into unknown-address + 26, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV13]], [[C]](s32)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[UV13]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 2 into undef + 28, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 2 into unknown-address + 28, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD13]], [[C1]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 2 into undef + 30, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 2 into unknown-address + 30, addrspace 1)
     ; CI-LABEL: name: test_store_global_s256_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 2, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_s256_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(<2 x s32>), [[UV3:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[UV]](<4 x s32>)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV2]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV3]](<2 x s32>)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV6]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV7]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[UV8:%[0-9]+]]:_(<2 x s32>), [[UV9:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[UV1]](<4 x s32>)
     ; VI: [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV8]](<2 x s32>)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV10]], [[C]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV10]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV11]], [[C]](s32)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[UV11]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 2 into undef + 20, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD9]](p1) :: (store 2 into unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C1]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 2 into undef + 22, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD10]](p1) :: (store 2 into unknown-address + 22, addrspace 1)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[UV12:%[0-9]+]]:_(s32), [[UV13:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV9]](<2 x s32>)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV12]], [[C]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV12]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 2 into undef + 24, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD11]](p1) :: (store 2 into unknown-address + 24, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 2 into undef + 26, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD12]](p1) :: (store 2 into unknown-address + 26, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV13]], [[C]](s32)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[UV13]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 2 into undef + 28, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD13]](p1) :: (store 2 into unknown-address + 28, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD13]], [[C1]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 2 into undef + 30, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD14]](p1) :: (store 2 into unknown-address + 30, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s256_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 2, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 2, addrspace 1)
 ...
 
 ---
 name: test_store_global_s256_align4
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
 
     ; SI-LABEL: name: test_store_global_s256_align4
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; SI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; SI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; SI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; CI-LABEL: name: test_store_global_s256_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; VI-LABEL: name: test_store_global_s256_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; VI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s256_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 4, addrspace 1)
 ...
 
 ---
 name: test_store_global_s256_align8
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
 
     ; SI-LABEL: name: test_store_global_s256_align8
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; SI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; SI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; SI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_s256_align8
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     ; VI-LABEL: name: test_store_global_s256_align8
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; VI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s256_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 8, addrspace 1)
 ...
 
 ---
 name: test_store_global_s256_align16
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
 
     ; SI-LABEL: name: test_store_global_s256_align16
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; SI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; SI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; SI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_s256_align16
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_s256_align16
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; VI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s256_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 16, addrspace 1)
 ...
 
 ---
 name: test_store_global_s256_align32
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
 
     ; SI-LABEL: name: test_store_global_s256_align32
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; SI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; SI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; SI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_s256_align32
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_s256_align32
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; VI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_s256_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[BITCAST:%[0-9]+]]:_(<8 x s32>) = G_BITCAST [[COPY1]](s256)
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[BITCAST]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(s256) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 32, addrspace 1)
 ...
 
 ---
 name: test_store_global_v8s32_align32
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
 
     ; SI-LABEL: name: test_store_global_v8s32_align32
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; SI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; SI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_v8s32_align32
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; CI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; CI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; CI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_v8s32_align32
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; VI: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; VI: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v8s32_align32
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     ; GFX9: [[UV:%[0-9]+]]:_(<4 x s32>), [[UV1:%[0-9]+]]:_(<4 x s32>) = G_UNMERGE_VALUES [[COPY1]](<8 x s32>)
     ; GFX9: G_STORE [[UV]](<4 x s32>), [[COPY]](p1) :: (store 16, align 32, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; GFX9: G_STORE [[UV1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<8 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7_vgpr8_vgpr9
     G_STORE %1, %0 :: (store 32, align 32, addrspace 1)
 ...
 
 ---
 name: test_store_global_v9s32_align1
 body: |
bb.0:
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; SI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY4]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; SI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; SI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; SI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; SI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; SI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; SI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; SI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; SI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32), [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT1]](<4 x s32>)
     ; SI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C1]](s32)
     ; SI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C2]](s32)
     ; SI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; SI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; SI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; SI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; SI: G_STORE [[COPY22]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY22]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; SI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; SI: G_STORE [[COPY23]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; SI: G_STORE [[COPY23]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; SI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
     ; SI: [[LSHR15:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[LSHR16:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C1]](s32)
     ; SI: [[LSHR17:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C2]](s32)
     ; SI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY24]](s32), [[PTR_ADD19]](p1) :: (store 1 into undef + 20, addrspace 1)
+    ; SI: G_STORE [[COPY24]](s32), [[PTR_ADD19]](p1) :: (store 1 into unknown-address + 20, addrspace 1)
     ; SI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C3]](s64)
     ; SI: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LSHR15]](s32)
-    ; SI: G_STORE [[COPY25]](s32), [[PTR_ADD20]](p1) :: (store 1 into undef + 21, addrspace 1)
+    ; SI: G_STORE [[COPY25]](s32), [[PTR_ADD20]](p1) :: (store 1 into unknown-address + 21, addrspace 1)
     ; SI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C4]](s64)
     ; SI: [[COPY26:%[0-9]+]]:_(s32) = COPY [[LSHR16]](s32)
-    ; SI: G_STORE [[COPY26]](s32), [[PTR_ADD21]](p1) :: (store 1 into undef + 22, addrspace 1)
+    ; SI: G_STORE [[COPY26]](s32), [[PTR_ADD21]](p1) :: (store 1 into unknown-address + 22, addrspace 1)
     ; SI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C5]](s64)
     ; SI: [[COPY27:%[0-9]+]]:_(s32) = COPY [[LSHR17]](s32)
-    ; SI: G_STORE [[COPY27]](s32), [[PTR_ADD22]](p1) :: (store 1 into undef + 23, addrspace 1)
+    ; SI: G_STORE [[COPY27]](s32), [[PTR_ADD22]](p1) :: (store 1 into unknown-address + 23, addrspace 1)
     ; SI: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C7]](s64)
     ; SI: [[LSHR18:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C]](s32)
     ; SI: [[LSHR19:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C1]](s32)
     ; SI: [[LSHR20:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C2]](s32)
     ; SI: [[COPY28:%[0-9]+]]:_(s32) = COPY [[UV6]](s32)
-    ; SI: G_STORE [[COPY28]](s32), [[PTR_ADD23]](p1) :: (store 1 into undef + 24, addrspace 1)
+    ; SI: G_STORE [[COPY28]](s32), [[PTR_ADD23]](p1) :: (store 1 into unknown-address + 24, addrspace 1)
     ; SI: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
     ; SI: [[COPY29:%[0-9]+]]:_(s32) = COPY [[LSHR18]](s32)
-    ; SI: G_STORE [[COPY29]](s32), [[PTR_ADD24]](p1) :: (store 1 into undef + 25, addrspace 1)
+    ; SI: G_STORE [[COPY29]](s32), [[PTR_ADD24]](p1) :: (store 1 into unknown-address + 25, addrspace 1)
     ; SI: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
     ; SI: [[COPY30:%[0-9]+]]:_(s32) = COPY [[LSHR19]](s32)
-    ; SI: G_STORE [[COPY30]](s32), [[PTR_ADD25]](p1) :: (store 1 into undef + 26, addrspace 1)
+    ; SI: G_STORE [[COPY30]](s32), [[PTR_ADD25]](p1) :: (store 1 into unknown-address + 26, addrspace 1)
     ; SI: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
     ; SI: [[COPY31:%[0-9]+]]:_(s32) = COPY [[LSHR20]](s32)
-    ; SI: G_STORE [[COPY31]](s32), [[PTR_ADD26]](p1) :: (store 1 into undef + 27, addrspace 1)
+    ; SI: G_STORE [[COPY31]](s32), [[PTR_ADD26]](p1) :: (store 1 into unknown-address + 27, addrspace 1)
     ; SI: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C8]](s64)
     ; SI: [[LSHR21:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C]](s32)
     ; SI: [[LSHR22:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C1]](s32)
     ; SI: [[LSHR23:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C2]](s32)
     ; SI: [[COPY32:%[0-9]+]]:_(s32) = COPY [[UV7]](s32)
-    ; SI: G_STORE [[COPY32]](s32), [[PTR_ADD27]](p1) :: (store 1 into undef + 28, addrspace 1)
+    ; SI: G_STORE [[COPY32]](s32), [[PTR_ADD27]](p1) :: (store 1 into unknown-address + 28, addrspace 1)
     ; SI: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C3]](s64)
     ; SI: [[COPY33:%[0-9]+]]:_(s32) = COPY [[LSHR21]](s32)
-    ; SI: G_STORE [[COPY33]](s32), [[PTR_ADD28]](p1) :: (store 1 into undef + 29, addrspace 1)
+    ; SI: G_STORE [[COPY33]](s32), [[PTR_ADD28]](p1) :: (store 1 into unknown-address + 29, addrspace 1)
     ; SI: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C4]](s64)
     ; SI: [[COPY34:%[0-9]+]]:_(s32) = COPY [[LSHR22]](s32)
-    ; SI: G_STORE [[COPY34]](s32), [[PTR_ADD29]](p1) :: (store 1 into undef + 30, addrspace 1)
+    ; SI: G_STORE [[COPY34]](s32), [[PTR_ADD29]](p1) :: (store 1 into unknown-address + 30, addrspace 1)
     ; SI: [[PTR_ADD30:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C5]](s64)
     ; SI: [[COPY35:%[0-9]+]]:_(s32) = COPY [[LSHR23]](s32)
-    ; SI: G_STORE [[COPY35]](s32), [[PTR_ADD30]](p1) :: (store 1 into undef + 31, addrspace 1)
+    ; SI: G_STORE [[COPY35]](s32), [[PTR_ADD30]](p1) :: (store 1 into unknown-address + 31, addrspace 1)
     ; SI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; SI: [[PTR_ADD31:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C10]](s64)
     ; SI: [[LSHR24:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT2]], [[C]](s32)
     ; SI: [[LSHR25:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT2]], [[C1]](s32)
     ; SI: [[LSHR26:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT2]], [[C2]](s32)
     ; SI: [[COPY36:%[0-9]+]]:_(s32) = COPY [[EXTRACT2]](s32)
-    ; SI: G_STORE [[COPY36]](s32), [[PTR_ADD31]](p1) :: (store 1 into undef + 32, addrspace 1)
+    ; SI: G_STORE [[COPY36]](s32), [[PTR_ADD31]](p1) :: (store 1 into unknown-address + 32, addrspace 1)
     ; SI: [[PTR_ADD32:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD31]], [[C3]](s64)
     ; SI: [[COPY37:%[0-9]+]]:_(s32) = COPY [[LSHR24]](s32)
-    ; SI: G_STORE [[COPY37]](s32), [[PTR_ADD32]](p1) :: (store 1 into undef + 33, addrspace 1)
+    ; SI: G_STORE [[COPY37]](s32), [[PTR_ADD32]](p1) :: (store 1 into unknown-address + 33, addrspace 1)
     ; SI: [[PTR_ADD33:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD31]], [[C4]](s64)
     ; SI: [[COPY38:%[0-9]+]]:_(s32) = COPY [[LSHR25]](s32)
-    ; SI: G_STORE [[COPY38]](s32), [[PTR_ADD33]](p1) :: (store 1 into undef + 34, addrspace 1)
+    ; SI: G_STORE [[COPY38]](s32), [[PTR_ADD33]](p1) :: (store 1 into unknown-address + 34, addrspace 1)
     ; SI: [[PTR_ADD34:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD31]], [[C5]](s64)
     ; SI: [[COPY39:%[0-9]+]]:_(s32) = COPY [[LSHR26]](s32)
-    ; SI: G_STORE [[COPY39]](s32), [[PTR_ADD34]](p1) :: (store 1 into undef + 35, addrspace 1)
+    ; SI: G_STORE [[COPY39]](s32), [[PTR_ADD34]](p1) :: (store 1 into unknown-address + 35, addrspace 1)
     ; CI-LABEL: name: test_store_global_v9s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; CI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; CI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 1, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 1, addrspace 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 1, addrspace 1)
+    ; CI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v9s32_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; VI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; VI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C]](s32)
     ; VI: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C1]](s32)
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV]], [[C2]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY4]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI: [[C6:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C6]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C]](s32)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C1]](s32)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV1]], [[C2]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD3]](p1) :: (store 1 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD3]](p1) :: (store 1 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C3]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD4]](p1) :: (store 1 into undef + 5, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD4]](p1) :: (store 1 into unknown-address + 5, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C4]](s64)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD5]](p1) :: (store 1 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD5]](p1) :: (store 1 into unknown-address + 6, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C5]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD6]](p1) :: (store 1 into undef + 7, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD6]](p1) :: (store 1 into unknown-address + 7, addrspace 1)
     ; VI: [[C7:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C7]](s64)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C1]](s32)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C2]](s32)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD7]](p1) :: (store 1 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD7]](p1) :: (store 1 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD8]](p1) :: (store 1 into undef + 9, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD8]](p1) :: (store 1 into unknown-address + 9, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C4]](s64)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD9]](p1) :: (store 1 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD9]](p1) :: (store 1 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C5]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD10]](p1) :: (store 1 into undef + 11, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD10]](p1) :: (store 1 into unknown-address + 11, addrspace 1)
     ; VI: [[C8:%[0-9]+]]:_(s64) = G_CONSTANT i64 12
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C8]](s64)
     ; VI: [[LSHR9:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[LSHR10:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C1]](s32)
     ; VI: [[LSHR11:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C2]](s32)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD11]](p1) :: (store 1 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD11]](p1) :: (store 1 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C3]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR9]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD12]](p1) :: (store 1 into undef + 13, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD12]](p1) :: (store 1 into unknown-address + 13, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C4]](s64)
     ; VI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[LSHR10]](s32)
-    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD13]](p1) :: (store 1 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD13]](p1) :: (store 1 into unknown-address + 14, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C5]](s64)
     ; VI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR11]](s32)
-    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD14]](p1) :: (store 1 into undef + 15, addrspace 1)
+    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD14]](p1) :: (store 1 into unknown-address + 15, addrspace 1)
     ; VI: [[C9:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C9]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32), [[UV6:%[0-9]+]]:_(s32), [[UV7:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[EXTRACT1]](<4 x s32>)
     ; VI: [[LSHR12:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[LSHR13:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C1]](s32)
     ; VI: [[LSHR14:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C2]](s32)
     ; VI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD15]](p1) :: (store 1 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD15]](p1) :: (store 1 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C3]](s64)
     ; VI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR12]](s32)
-    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD16]](p1) :: (store 1 into undef + 17, addrspace 1)
+    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD16]](p1) :: (store 1 into unknown-address + 17, addrspace 1)
     ; VI: [[PTR_ADD17:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C4]](s64)
     ; VI: [[COPY22:%[0-9]+]]:_(s32) = COPY [[LSHR13]](s32)
-    ; VI: G_STORE [[COPY22]](s32), [[PTR_ADD17]](p1) :: (store 1 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY22]](s32), [[PTR_ADD17]](p1) :: (store 1 into unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD18:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C5]](s64)
     ; VI: [[COPY23:%[0-9]+]]:_(s32) = COPY [[LSHR14]](s32)
-    ; VI: G_STORE [[COPY23]](s32), [[PTR_ADD18]](p1) :: (store 1 into undef + 19, addrspace 1)
+    ; VI: G_STORE [[COPY23]](s32), [[PTR_ADD18]](p1) :: (store 1 into unknown-address + 19, addrspace 1)
     ; VI: [[PTR_ADD19:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C6]](s64)
     ; VI: [[LSHR15:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[LSHR16:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C1]](s32)
     ; VI: [[LSHR17:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C2]](s32)
     ; VI: [[COPY24:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY24]](s32), [[PTR_ADD19]](p1) :: (store 1 into undef + 20, addrspace 1)
+    ; VI: G_STORE [[COPY24]](s32), [[PTR_ADD19]](p1) :: (store 1 into unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD20:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C3]](s64)
     ; VI: [[COPY25:%[0-9]+]]:_(s32) = COPY [[LSHR15]](s32)
-    ; VI: G_STORE [[COPY25]](s32), [[PTR_ADD20]](p1) :: (store 1 into undef + 21, addrspace 1)
+    ; VI: G_STORE [[COPY25]](s32), [[PTR_ADD20]](p1) :: (store 1 into unknown-address + 21, addrspace 1)
     ; VI: [[PTR_ADD21:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C4]](s64)
     ; VI: [[COPY26:%[0-9]+]]:_(s32) = COPY [[LSHR16]](s32)
-    ; VI: G_STORE [[COPY26]](s32), [[PTR_ADD21]](p1) :: (store 1 into undef + 22, addrspace 1)
+    ; VI: G_STORE [[COPY26]](s32), [[PTR_ADD21]](p1) :: (store 1 into unknown-address + 22, addrspace 1)
     ; VI: [[PTR_ADD22:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD19]], [[C5]](s64)
     ; VI: [[COPY27:%[0-9]+]]:_(s32) = COPY [[LSHR17]](s32)
-    ; VI: G_STORE [[COPY27]](s32), [[PTR_ADD22]](p1) :: (store 1 into undef + 23, addrspace 1)
+    ; VI: G_STORE [[COPY27]](s32), [[PTR_ADD22]](p1) :: (store 1 into unknown-address + 23, addrspace 1)
     ; VI: [[PTR_ADD23:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C7]](s64)
     ; VI: [[LSHR18:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C]](s32)
     ; VI: [[LSHR19:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C1]](s32)
     ; VI: [[LSHR20:%[0-9]+]]:_(s32) = G_LSHR [[UV6]], [[C2]](s32)
     ; VI: [[COPY28:%[0-9]+]]:_(s32) = COPY [[UV6]](s32)
-    ; VI: G_STORE [[COPY28]](s32), [[PTR_ADD23]](p1) :: (store 1 into undef + 24, addrspace 1)
+    ; VI: G_STORE [[COPY28]](s32), [[PTR_ADD23]](p1) :: (store 1 into unknown-address + 24, addrspace 1)
     ; VI: [[PTR_ADD24:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C3]](s64)
     ; VI: [[COPY29:%[0-9]+]]:_(s32) = COPY [[LSHR18]](s32)
-    ; VI: G_STORE [[COPY29]](s32), [[PTR_ADD24]](p1) :: (store 1 into undef + 25, addrspace 1)
+    ; VI: G_STORE [[COPY29]](s32), [[PTR_ADD24]](p1) :: (store 1 into unknown-address + 25, addrspace 1)
     ; VI: [[PTR_ADD25:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C4]](s64)
     ; VI: [[COPY30:%[0-9]+]]:_(s32) = COPY [[LSHR19]](s32)
-    ; VI: G_STORE [[COPY30]](s32), [[PTR_ADD25]](p1) :: (store 1 into undef + 26, addrspace 1)
+    ; VI: G_STORE [[COPY30]](s32), [[PTR_ADD25]](p1) :: (store 1 into unknown-address + 26, addrspace 1)
     ; VI: [[PTR_ADD26:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD23]], [[C5]](s64)
     ; VI: [[COPY31:%[0-9]+]]:_(s32) = COPY [[LSHR20]](s32)
-    ; VI: G_STORE [[COPY31]](s32), [[PTR_ADD26]](p1) :: (store 1 into undef + 27, addrspace 1)
+    ; VI: G_STORE [[COPY31]](s32), [[PTR_ADD26]](p1) :: (store 1 into unknown-address + 27, addrspace 1)
     ; VI: [[PTR_ADD27:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C8]](s64)
     ; VI: [[LSHR21:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C]](s32)
     ; VI: [[LSHR22:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C1]](s32)
     ; VI: [[LSHR23:%[0-9]+]]:_(s32) = G_LSHR [[UV7]], [[C2]](s32)
     ; VI: [[COPY32:%[0-9]+]]:_(s32) = COPY [[UV7]](s32)
-    ; VI: G_STORE [[COPY32]](s32), [[PTR_ADD27]](p1) :: (store 1 into undef + 28, addrspace 1)
+    ; VI: G_STORE [[COPY32]](s32), [[PTR_ADD27]](p1) :: (store 1 into unknown-address + 28, addrspace 1)
     ; VI: [[PTR_ADD28:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C3]](s64)
     ; VI: [[COPY33:%[0-9]+]]:_(s32) = COPY [[LSHR21]](s32)
-    ; VI: G_STORE [[COPY33]](s32), [[PTR_ADD28]](p1) :: (store 1 into undef + 29, addrspace 1)
+    ; VI: G_STORE [[COPY33]](s32), [[PTR_ADD28]](p1) :: (store 1 into unknown-address + 29, addrspace 1)
     ; VI: [[PTR_ADD29:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C4]](s64)
     ; VI: [[COPY34:%[0-9]+]]:_(s32) = COPY [[LSHR22]](s32)
-    ; VI: G_STORE [[COPY34]](s32), [[PTR_ADD29]](p1) :: (store 1 into undef + 30, addrspace 1)
+    ; VI: G_STORE [[COPY34]](s32), [[PTR_ADD29]](p1) :: (store 1 into unknown-address + 30, addrspace 1)
     ; VI: [[PTR_ADD30:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD27]], [[C5]](s64)
     ; VI: [[COPY35:%[0-9]+]]:_(s32) = COPY [[LSHR23]](s32)
-    ; VI: G_STORE [[COPY35]](s32), [[PTR_ADD30]](p1) :: (store 1 into undef + 31, addrspace 1)
+    ; VI: G_STORE [[COPY35]](s32), [[PTR_ADD30]](p1) :: (store 1 into unknown-address + 31, addrspace 1)
     ; VI: [[C10:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; VI: [[PTR_ADD31:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C10]](s64)
     ; VI: [[LSHR24:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT2]], [[C]](s32)
     ; VI: [[LSHR25:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT2]], [[C1]](s32)
     ; VI: [[LSHR26:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT2]], [[C2]](s32)
     ; VI: [[COPY36:%[0-9]+]]:_(s32) = COPY [[EXTRACT2]](s32)
-    ; VI: G_STORE [[COPY36]](s32), [[PTR_ADD31]](p1) :: (store 1 into undef + 32, addrspace 1)
+    ; VI: G_STORE [[COPY36]](s32), [[PTR_ADD31]](p1) :: (store 1 into unknown-address + 32, addrspace 1)
     ; VI: [[PTR_ADD32:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD31]], [[C3]](s64)
     ; VI: [[COPY37:%[0-9]+]]:_(s32) = COPY [[LSHR24]](s32)
-    ; VI: G_STORE [[COPY37]](s32), [[PTR_ADD32]](p1) :: (store 1 into undef + 33, addrspace 1)
+    ; VI: G_STORE [[COPY37]](s32), [[PTR_ADD32]](p1) :: (store 1 into unknown-address + 33, addrspace 1)
     ; VI: [[PTR_ADD33:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD31]], [[C4]](s64)
     ; VI: [[COPY38:%[0-9]+]]:_(s32) = COPY [[LSHR25]](s32)
-    ; VI: G_STORE [[COPY38]](s32), [[PTR_ADD33]](p1) :: (store 1 into undef + 34, addrspace 1)
+    ; VI: G_STORE [[COPY38]](s32), [[PTR_ADD33]](p1) :: (store 1 into unknown-address + 34, addrspace 1)
     ; VI: [[PTR_ADD34:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD31]], [[C5]](s64)
     ; VI: [[COPY39:%[0-9]+]]:_(s32) = COPY [[LSHR26]](s32)
-    ; VI: G_STORE [[COPY39]](s32), [[PTR_ADD34]](p1) :: (store 1 into undef + 35, addrspace 1)
+    ; VI: G_STORE [[COPY39]](s32), [[PTR_ADD34]](p1) :: (store 1 into unknown-address + 35, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v9s32_align1
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; GFX9: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; GFX9: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; GFX9: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 1, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 1, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 1, addrspace 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 1, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     %2:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     %3:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     %4:_(<9 x s32>) = G_CONCAT_VECTORS %1, %2, %3
     G_STORE %4, %0 :: (store 36, align 1, addrspace 1)
 ...
 
bb.0:
     ; SI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; SI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; SI: G_STORE [[COPY4]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; SI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; SI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; SI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; SI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[COPY8]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; SI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; SI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; SI: G_STORE [[COPY9]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; SI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; SI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; SI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; SI: G_STORE [[COPY10]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; SI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; SI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; SI: G_STORE [[COPY11]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[UV6:%[0-9]+]]:_(<2 x s32>), [[UV7:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[EXTRACT1]](<4 x s32>)
     ; SI: [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV6]](<2 x s32>)
     ; SI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C]](s32)
     ; SI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[UV8]](s32)
-    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[COPY12]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; SI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; SI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; SI: G_STORE [[COPY13]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; SI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
     ; SI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C]](s32)
     ; SI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV9]](s32)
-    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD9]](p1) :: (store 2 into undef + 20, addrspace 1)
+    ; SI: G_STORE [[COPY14]](s32), [[PTR_ADD9]](p1) :: (store 2 into unknown-address + 20, addrspace 1)
     ; SI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C1]](s64)
     ; SI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD10]](p1) :: (store 2 into undef + 22, addrspace 1)
+    ; SI: G_STORE [[COPY15]](s32), [[PTR_ADD10]](p1) :: (store 2 into unknown-address + 22, addrspace 1)
     ; SI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; SI: [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV7]](<2 x s32>)
     ; SI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV10]], [[C]](s32)
     ; SI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[UV10]](s32)
-    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD11]](p1) :: (store 2 into undef + 24, addrspace 1)
+    ; SI: G_STORE [[COPY16]](s32), [[PTR_ADD11]](p1) :: (store 2 into unknown-address + 24, addrspace 1)
     ; SI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
     ; SI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD12]](p1) :: (store 2 into undef + 26, addrspace 1)
+    ; SI: G_STORE [[COPY17]](s32), [[PTR_ADD12]](p1) :: (store 2 into unknown-address + 26, addrspace 1)
     ; SI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
     ; SI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV11]], [[C]](s32)
     ; SI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[UV11]](s32)
-    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD13]](p1) :: (store 2 into undef + 28, addrspace 1)
+    ; SI: G_STORE [[COPY18]](s32), [[PTR_ADD13]](p1) :: (store 2 into unknown-address + 28, addrspace 1)
     ; SI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD13]], [[C1]](s64)
     ; SI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD14]](p1) :: (store 2 into undef + 30, addrspace 1)
+    ; SI: G_STORE [[COPY19]](s32), [[PTR_ADD14]](p1) :: (store 2 into unknown-address + 30, addrspace 1)
     ; SI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; SI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; SI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT2]], [[C]](s32)
     ; SI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[EXTRACT2]](s32)
-    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD15]](p1) :: (store 2 into undef + 32, addrspace 1)
+    ; SI: G_STORE [[COPY20]](s32), [[PTR_ADD15]](p1) :: (store 2 into unknown-address + 32, addrspace 1)
     ; SI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
     ; SI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD16]](p1) :: (store 2 into undef + 34, addrspace 1)
+    ; SI: G_STORE [[COPY21]](s32), [[PTR_ADD16]](p1) :: (store 2 into unknown-address + 34, addrspace 1)
     ; CI-LABEL: name: test_store_global_v9s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; CI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; CI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 2, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 2, addrspace 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 2, addrspace 1)
+    ; CI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v9s32_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; VI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; VI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; VI: [[UV:%[0-9]+]]:_(<2 x s32>), [[UV1:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[EXTRACT]](<4 x s32>)
     ; VI: [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV]](<2 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[UV2]], [[C]](s32)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
     ; VI: G_STORE [[COPY4]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[LSHR1:%[0-9]+]]:_(s32) = G_LSHR [[UV3]], [[C]](s32)
     ; VI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 2 into undef + 4, addrspace 1)
+    ; VI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 2 into unknown-address + 4, addrspace 1)
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
     ; VI: [[COPY7:%[0-9]+]]:_(s32) = COPY [[LSHR1]](s32)
-    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 2 into undef + 6, addrspace 1)
+    ; VI: G_STORE [[COPY7]](s32), [[PTR_ADD2]](p1) :: (store 2 into unknown-address + 6, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; VI: [[PTR_ADD3:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[UV4:%[0-9]+]]:_(s32), [[UV5:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV1]](<2 x s32>)
     ; VI: [[LSHR2:%[0-9]+]]:_(s32) = G_LSHR [[UV4]], [[C]](s32)
     ; VI: [[COPY8:%[0-9]+]]:_(s32) = COPY [[UV4]](s32)
-    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD3]](p1) :: (store 2 into undef + 8, addrspace 1)
+    ; VI: G_STORE [[COPY8]](s32), [[PTR_ADD3]](p1) :: (store 2 into unknown-address + 8, addrspace 1)
     ; VI: [[PTR_ADD4:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C1]](s64)
     ; VI: [[COPY9:%[0-9]+]]:_(s32) = COPY [[LSHR2]](s32)
-    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD4]](p1) :: (store 2 into undef + 10, addrspace 1)
+    ; VI: G_STORE [[COPY9]](s32), [[PTR_ADD4]](p1) :: (store 2 into unknown-address + 10, addrspace 1)
     ; VI: [[PTR_ADD5:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD3]], [[C2]](s64)
     ; VI: [[LSHR3:%[0-9]+]]:_(s32) = G_LSHR [[UV5]], [[C]](s32)
     ; VI: [[COPY10:%[0-9]+]]:_(s32) = COPY [[UV5]](s32)
-    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD5]](p1) :: (store 2 into undef + 12, addrspace 1)
+    ; VI: G_STORE [[COPY10]](s32), [[PTR_ADD5]](p1) :: (store 2 into unknown-address + 12, addrspace 1)
     ; VI: [[PTR_ADD6:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD5]], [[C1]](s64)
     ; VI: [[COPY11:%[0-9]+]]:_(s32) = COPY [[LSHR3]](s32)
-    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD6]](p1) :: (store 2 into undef + 14, addrspace 1)
+    ; VI: G_STORE [[COPY11]](s32), [[PTR_ADD6]](p1) :: (store 2 into unknown-address + 14, addrspace 1)
     ; VI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD7:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; VI: [[UV6:%[0-9]+]]:_(<2 x s32>), [[UV7:%[0-9]+]]:_(<2 x s32>) = G_UNMERGE_VALUES [[EXTRACT1]](<4 x s32>)
     ; VI: [[UV8:%[0-9]+]]:_(s32), [[UV9:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV6]](<2 x s32>)
     ; VI: [[LSHR4:%[0-9]+]]:_(s32) = G_LSHR [[UV8]], [[C]](s32)
     ; VI: [[COPY12:%[0-9]+]]:_(s32) = COPY [[UV8]](s32)
-    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD7]](p1) :: (store 2 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[COPY12]](s32), [[PTR_ADD7]](p1) :: (store 2 into unknown-address + 16, addrspace 1)
     ; VI: [[PTR_ADD8:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C1]](s64)
     ; VI: [[COPY13:%[0-9]+]]:_(s32) = COPY [[LSHR4]](s32)
-    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD8]](p1) :: (store 2 into undef + 18, addrspace 1)
+    ; VI: G_STORE [[COPY13]](s32), [[PTR_ADD8]](p1) :: (store 2 into unknown-address + 18, addrspace 1)
     ; VI: [[PTR_ADD9:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C2]](s64)
     ; VI: [[LSHR5:%[0-9]+]]:_(s32) = G_LSHR [[UV9]], [[C]](s32)
     ; VI: [[COPY14:%[0-9]+]]:_(s32) = COPY [[UV9]](s32)
-    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD9]](p1) :: (store 2 into undef + 20, addrspace 1)
+    ; VI: G_STORE [[COPY14]](s32), [[PTR_ADD9]](p1) :: (store 2 into unknown-address + 20, addrspace 1)
     ; VI: [[PTR_ADD10:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD9]], [[C1]](s64)
     ; VI: [[COPY15:%[0-9]+]]:_(s32) = COPY [[LSHR5]](s32)
-    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD10]](p1) :: (store 2 into undef + 22, addrspace 1)
+    ; VI: G_STORE [[COPY15]](s32), [[PTR_ADD10]](p1) :: (store 2 into unknown-address + 22, addrspace 1)
     ; VI: [[PTR_ADD11:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD7]], [[C3]](s64)
     ; VI: [[UV10:%[0-9]+]]:_(s32), [[UV11:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[UV7]](<2 x s32>)
     ; VI: [[LSHR6:%[0-9]+]]:_(s32) = G_LSHR [[UV10]], [[C]](s32)
     ; VI: [[COPY16:%[0-9]+]]:_(s32) = COPY [[UV10]](s32)
-    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD11]](p1) :: (store 2 into undef + 24, addrspace 1)
+    ; VI: G_STORE [[COPY16]](s32), [[PTR_ADD11]](p1) :: (store 2 into unknown-address + 24, addrspace 1)
     ; VI: [[PTR_ADD12:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C1]](s64)
     ; VI: [[COPY17:%[0-9]+]]:_(s32) = COPY [[LSHR6]](s32)
-    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD12]](p1) :: (store 2 into undef + 26, addrspace 1)
+    ; VI: G_STORE [[COPY17]](s32), [[PTR_ADD12]](p1) :: (store 2 into unknown-address + 26, addrspace 1)
     ; VI: [[PTR_ADD13:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD11]], [[C2]](s64)
     ; VI: [[LSHR7:%[0-9]+]]:_(s32) = G_LSHR [[UV11]], [[C]](s32)
     ; VI: [[COPY18:%[0-9]+]]:_(s32) = COPY [[UV11]](s32)
-    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD13]](p1) :: (store 2 into undef + 28, addrspace 1)
+    ; VI: G_STORE [[COPY18]](s32), [[PTR_ADD13]](p1) :: (store 2 into unknown-address + 28, addrspace 1)
     ; VI: [[PTR_ADD14:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD13]], [[C1]](s64)
     ; VI: [[COPY19:%[0-9]+]]:_(s32) = COPY [[LSHR7]](s32)
-    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD14]](p1) :: (store 2 into undef + 30, addrspace 1)
+    ; VI: G_STORE [[COPY19]](s32), [[PTR_ADD14]](p1) :: (store 2 into unknown-address + 30, addrspace 1)
     ; VI: [[C5:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; VI: [[PTR_ADD15:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C5]](s64)
     ; VI: [[LSHR8:%[0-9]+]]:_(s32) = G_LSHR [[EXTRACT2]], [[C]](s32)
     ; VI: [[COPY20:%[0-9]+]]:_(s32) = COPY [[EXTRACT2]](s32)
-    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD15]](p1) :: (store 2 into undef + 32, addrspace 1)
+    ; VI: G_STORE [[COPY20]](s32), [[PTR_ADD15]](p1) :: (store 2 into unknown-address + 32, addrspace 1)
     ; VI: [[PTR_ADD16:%[0-9]+]]:_(p1) = G_PTR_ADD [[PTR_ADD15]], [[C1]](s64)
     ; VI: [[COPY21:%[0-9]+]]:_(s32) = COPY [[LSHR8]](s32)
-    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD16]](p1) :: (store 2 into undef + 34, addrspace 1)
+    ; VI: G_STORE [[COPY21]](s32), [[PTR_ADD16]](p1) :: (store 2 into unknown-address + 34, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v9s32_align2
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; GFX9: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; GFX9: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; GFX9: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 2, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 2, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 2, addrspace 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 2, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     %2:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     %3:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     %4:_(<9 x s32>) = G_CONCAT_VECTORS %1, %2, %3
     G_STORE %4, %0 :: (store 36, align 2, addrspace 1)
 ...
 
bb.0:
     ; SI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; SI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, addrspace 1)
+    ; SI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, addrspace 1)
     ; CI-LABEL: name: test_store_global_v9s32_align4
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; CI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; CI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, addrspace 1)
+    ; CI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, addrspace 1)
     ; VI-LABEL: name: test_store_global_v9s32_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; VI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; VI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, addrspace 1)
+    ; VI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v9s32_align4
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; GFX9: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; GFX9: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; GFX9: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 4, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 4, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 4, addrspace 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     %2:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     %3:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     %4:_(<9 x s32>) = G_CONCAT_VECTORS %1, %2, %3
     G_STORE %4, %0 :: (store 36, align 4, addrspace 1)
 ...
 
bb.0:
     ; SI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; SI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 8, addrspace 1)
     ; CI-LABEL: name: test_store_global_v9s32_align8
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; CI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; CI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 8, addrspace 1)
+    ; CI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 8, addrspace 1)
     ; VI-LABEL: name: test_store_global_v9s32_align8
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; VI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; VI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 8, addrspace 1)
+    ; VI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 8, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v9s32_align8
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; GFX9: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; GFX9: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; GFX9: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, align 8, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, align 8, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, align 8, addrspace 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 8, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 8, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     %2:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     %3:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     %4:_(<9 x s32>) = G_CONCAT_VECTORS %1, %2, %3
     G_STORE %4, %0 :: (store 36, align 8, addrspace 1)
 ...
 
bb.0:
     ; SI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; SI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; SI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; SI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 16, addrspace 1)
+    ; SI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 16, addrspace 1)
     ; CI-LABEL: name: test_store_global_v9s32_align16
     ; CI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; CI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; CI: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; CI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; CI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; CI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; CI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; CI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; CI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; CI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; CI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; CI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 16, addrspace 1)
+    ; CI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 16, addrspace 1)
     ; VI-LABEL: name: test_store_global_v9s32_align16
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; VI: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; VI: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; VI: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; VI: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; VI: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; VI: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; VI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; VI: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; VI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 16, addrspace 1)
+    ; VI: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 16, addrspace 1)
     ; GFX9-LABEL: name: test_store_global_v9s32_align16
     ; GFX9: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX9: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; GFX9: [[COPY2:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     ; GFX9: [[COPY3:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     ; GFX9: [[CONCAT_VECTORS:%[0-9]+]]:_(<9 x s32>) = G_CONCAT_VECTORS [[COPY1]](<3 x s32>), [[COPY2]](<3 x s32>), [[COPY3]](<3 x s32>)
     ; GFX9: [[EXTRACT:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 0
     ; GFX9: [[EXTRACT1:%[0-9]+]]:_(<4 x s32>) = G_EXTRACT [[CONCAT_VECTORS]](<9 x s32>), 128
     ; GFX9: [[EXTRACT2:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY3]](<3 x s32>), 64
     ; GFX9: G_STORE [[EXTRACT]](<4 x s32>), [[COPY]](p1) :: (store 16, addrspace 1)
     ; GFX9: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
     ; GFX9: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX9: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into undef + 16, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT1]](<4 x s32>), [[PTR_ADD]](p1) :: (store 16 into unknown-address + 16, addrspace 1)
     ; GFX9: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 32
     ; GFX9: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
-    ; GFX9: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into undef + 32, align 16, addrspace 1)
+    ; GFX9: G_STORE [[EXTRACT2]](s32), [[PTR_ADD1]](p1) :: (store 4 into unknown-address + 32, align 16, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     %2:_(<3 x s32>) = COPY $vgpr5_vgpr6_vgpr7
     %3:_(<3 x s32>) = COPY $vgpr7_vgpr8_vgpr9
     %4:_(<9 x s32>) = G_CONCAT_VECTORS %1, %2, %3
     G_STORE %4, %0 :: (store 36, align 16, addrspace 1)
 ...

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-store.mir

bb.0:
     ; SI-LABEL: name: test_store_global_v3s32
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; SI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[COPY1]](<3 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[COPY1]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<2 x s32>), [[COPY]](p1) :: (store 8, align 4, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 8, addrspace 1)
     ; VI-LABEL: name: test_store_global_v3s32
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: G_STORE [[COPY1]](<3 x s32>), [[COPY]](p1) :: (store 12, align 4, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     G_STORE %1, %0 :: (store 12, align 4, addrspace 1)
 ...
bb.0:
     ; SI: [[COPY:%[0-9]+]]:_(s96) = COPY $vgpr0_vgpr1_vgpr2
     ; SI: [[COPY1:%[0-9]+]]:_(p1) = COPY $vgpr3_vgpr4
     ; SI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY]](s96)
     ; SI: [[EXTRACT:%[0-9]+]]:_(<2 x s32>) = G_EXTRACT [[BITCAST]](<3 x s32>), 0
     ; SI: [[EXTRACT1:%[0-9]+]]:_(s32) = G_EXTRACT [[BITCAST]](<3 x s32>), 64
     ; SI: G_STORE [[EXTRACT]](<2 x s32>), [[COPY1]](p1) :: (store 8, align 16, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY1]], [[C]](s64)
-    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into undef + 8, align 8, addrspace 1)
+    ; SI: G_STORE [[EXTRACT1]](s32), [[PTR_ADD]](p1) :: (store 4 into unknown-address + 8, align 8, addrspace 1)
     ; VI-LABEL: name: test_store_global_96
     ; VI: [[COPY:%[0-9]+]]:_(s96) = COPY $vgpr0_vgpr1_vgpr2
     ; VI: [[COPY1:%[0-9]+]]:_(p1) = COPY $vgpr3_vgpr4
     ; VI: [[BITCAST:%[0-9]+]]:_(<3 x s32>) = G_BITCAST [[COPY]](s96)
     ; VI: G_STORE [[BITCAST]](<3 x s32>), [[COPY1]](p1) :: (store 12, align 16, addrspace 1)
     %0:_(s96) = COPY $vgpr0_vgpr1_vgpr2
     %1:_(p1) = COPY $vgpr3_vgpr4
 
bb.0:
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[DEF:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
     ; SI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[DEF]](<2 x s32>)
     ; SI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY1]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY2]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY2]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI-LABEL: name: test_store_global_v2s8_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[DEF:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[DEF]](<2 x s32>)
     ; VI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY1]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY2]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY2]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<2 x s8>) = G_IMPLICIT_DEF
     G_STORE %1, %0 :: (store 2, addrspace 1, align 1)
 
 ...
 
 ---
 name: test_store_global_v2s8_align2
bb.0:
     ; SI: [[COPY4:%[0-9]+]]:_(s16) = COPY [[OR]](s16)
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[COPY4]](s16)
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[ZEXT]], [[C1]](s32)
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[COPY4]](s16)
     ; SI: G_STORE [[ANYEXT]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v3s8_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<3 x s32>)
     ; VI: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[UV2]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
     ; VI: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[UV]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C]]
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[UV1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C]]
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C1]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY2:%[0-9]+]]:_(s16) = COPY [[OR]](s16)
     ; VI: [[LSHR:%[0-9]+]]:_(s16) = G_LSHR [[COPY2]], [[C1]](s16)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[COPY2]](s16)
     ; VI: G_STORE [[ANYEXT]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR]](s16)
-    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     %2:_(<3 x s8>) = G_TRUNC %1
     G_STORE %2, %0 :: (store 3, addrspace 1, align 1)
 
 ...
 
 ---
bb.0:
     ; SI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC2]]
     ; SI: [[COPY3:%[0-9]+]]:_(s16) = COPY [[OR]](s16)
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[COPY3]](s16)
     ; SI: G_STORE [[ANYEXT]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v3s8_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<3 x s32>)
     ; VI: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[UV2]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
     ; VI: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[UV]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C]]
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[UV1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C]]
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C1]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY2:%[0-9]+]]:_(s16) = COPY [[OR]](s16)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[COPY2]](s16)
     ; VI: G_STORE [[ANYEXT]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     %2:_(<3 x s8>) = G_TRUNC %1
     G_STORE %2, %0 :: (store 3, addrspace 1, align 2)
 
 ...
 
 ---
bb.0:
     ; SI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; SI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C3]](s32)
     ; SI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[OR2]](s32)
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY5]], [[C3]](s32)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: G_STORE [[COPY5]](s32), [[COPY]](p1) :: (store 2, align 4, addrspace 1)
-    ; SI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; SI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v3s8_align4
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<3 x s32>)
     ; VI: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
     ; VI: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[UV]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C]]
bb.0:
     ; VI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; VI: [[SHL2:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C2]](s32)
     ; VI: [[OR2:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL2]]
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[OR2]](s32)
     ; VI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[COPY2]], [[C2]](s32)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 2, align 4, addrspace 1)
-    ; VI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; VI: G_STORE [[LSHR]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<3 x s32>) = COPY $vgpr2_vgpr3_vgpr4
     %2:_(<3 x s8>) = G_TRUNC %1
     G_STORE %2, %0 :: (store 3, addrspace 1, align 4)
 
 ...
 
 ---
 name: test_store_global_v4s8_align1
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3_vgpr4_vgpr5
 
     ; SI-LABEL: name: test_store_global_v4s8_align1
     ; SI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; SI: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; SI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<4 x s32>)
     ; SI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; SI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
     ; SI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; SI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; SI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     ; VI-LABEL: name: test_store_global_v4s8_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<4 x s32>)
     ; VI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[UV]](s32)
     ; VI: G_STORE [[COPY2]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[UV1]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C1]](s64)
     ; VI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY4]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; VI: [[PTR_ADD2:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[UV3]](s32)
-    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into undef + 3, addrspace 1)
+    ; VI: G_STORE [[COPY5]](s32), [[PTR_ADD2]](p1) :: (store 1 into unknown-address + 3, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     %2:_(<4 x s8>) = G_TRUNC %1
     G_STORE %2, %0 :: (store 4, addrspace 1, align 1)
 
 ...
 
 ---
bb.0:
     ; SI: [[SHL1:%[0-9]+]]:_(s32) = G_SHL [[AND3]], [[C1]](s32)
     ; SI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[SHL1]](s32)
     ; SI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[TRUNC3]]
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; SI: G_STORE [[ANYEXT]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
-    ; SI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     ; VI-LABEL: name: test_store_global_v4s8_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<4 x s32>)
     ; VI: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[UV]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C]]
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[UV1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C]]
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C1]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[UV2]](s32)
     ; VI: [[AND2:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C]]
     ; VI: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[UV3]](s32)
     ; VI: [[AND3:%[0-9]+]]:_(s16) = G_AND [[TRUNC3]], [[C]]
     ; VI: [[SHL1:%[0-9]+]]:_(s16) = G_SHL [[AND3]], [[C1]](s16)
     ; VI: [[OR1:%[0-9]+]]:_(s16) = G_OR [[AND2]], [[SHL1]]
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[OR]](s16)
     ; VI: G_STORE [[ANYEXT]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[OR1]](s16)
-    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD]](p1) :: (store 2 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD]](p1) :: (store 2 into unknown-address + 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     %2:_(<4 x s8>) = G_TRUNC %1
     G_STORE %2, %0 :: (store 4, addrspace 1, align 2)
 
 ...
 
 ---
bb.0:
     ; SI: [[COPY4:%[0-9]+]]:_(s16) = COPY [[OR]](s16)
     ; SI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[COPY4]](s16)
     ; SI: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[ZEXT]], [[C1]](s32)
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[COPY4]](s16)
     ; SI: G_STORE [[ANYEXT]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY5:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
-    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; SI: G_STORE [[COPY5]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; SI: [[C4:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C4]](s64)
     ; SI: [[COPY6:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; SI: G_STORE [[COPY6]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     ; VI-LABEL: name: test_truncstore_global_v4s8_to_3_align1
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<4 x s32>)
     ; VI: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[UV2]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
     ; VI: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[UV]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C]]
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[UV1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C]]
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C1]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY2:%[0-9]+]]:_(s16) = COPY [[OR]](s16)
     ; VI: [[LSHR:%[0-9]+]]:_(s16) = G_LSHR [[COPY2]], [[C1]](s16)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[COPY2]](s16)
     ; VI: G_STORE [[ANYEXT]](s32), [[COPY]](p1) :: (store 1, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[LSHR]](s16)
-    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; VI: G_STORE [[ANYEXT1]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     ; VI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD1:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into undef + 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD1]](p1) :: (store 1 into unknown-address + 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     %2:_(<4 x s8>) = G_TRUNC %1
     G_STORE %2, %0 :: (store 3, addrspace 1, align 1)
 
 ...
 
 ---
bb.0:
     ; SI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; SI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC2]]
     ; SI: [[COPY3:%[0-9]+]]:_(s16) = COPY [[OR]](s16)
     ; SI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[COPY3]](s16)
     ; SI: G_STORE [[ANYEXT]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; SI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; SI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C3]](s64)
     ; SI: [[COPY4:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; SI: G_STORE [[COPY4]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     ; VI-LABEL: name: test_truncstore_global_v4s8_to_3_align2
     ; VI: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; VI: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     ; VI: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32), [[UV3:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY1]](<4 x s32>)
     ; VI: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[UV2]](s32)
     ; VI: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
     ; VI: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; VI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[UV]](s32)
     ; VI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C]]
     ; VI: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[UV1]](s32)
     ; VI: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC2]], [[C]]
     ; VI: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; VI: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C1]](s16)
     ; VI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; VI: [[COPY2:%[0-9]+]]:_(s16) = COPY [[OR]](s16)
     ; VI: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[COPY2]](s16)
     ; VI: G_STORE [[ANYEXT]](s32), [[COPY]](p1) :: (store 2, addrspace 1)
     ; VI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; VI: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C2]](s64)
     ; VI: [[COPY3:%[0-9]+]]:_(s32) = COPY [[UV2]](s32)
-    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into undef + 2, align 2, addrspace 1)
+    ; VI: G_STORE [[COPY3]](s32), [[PTR_ADD]](p1) :: (store 1 into unknown-address + 2, align 2, addrspace 1)
     %0:_(p1) = COPY $vgpr0_vgpr1
     %1:_(<4 x s32>) = COPY $vgpr2_vgpr3_vgpr4_vgpr5
     %2:_(<4 x s8>) = G_TRUNC %1
     G_STORE %2, %0 :: (store 3, addrspace 1, align 2)
 
 ...
 
 ---

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-zextload-constant-32bit.mir

bb.0:
 
     ; CI-LABEL: name: test_zextload_constant32bit_s64_s32_align2
     ; CI: [[COPY:%[0-9]+]]:_(p6) = COPY $sgpr0
     ; CI: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[MV]](p4) :: (load 2, addrspace 6)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C1]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from undef + 2, addrspace 6)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 2 from unknown-address + 2, addrspace 6)
     ; CI: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 65535
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C2]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C2]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C3]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
 
     ; CI-LABEL: name: test_zextload_constant32bit_s64_s32_align1
     ; CI: [[COPY:%[0-9]+]]:_(p6) = COPY $sgpr0
     ; CI: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[MV]](p4) :: (load 1, addrspace 6)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C1]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 6)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 6)
     ; CI: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 2
     ; CI: [[PTR_ADD1:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C2]](s64)
-    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from undef + 2, addrspace 6)
+    ; CI: [[LOAD2:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD1]](p4) :: (load 1 from unknown-address + 2, addrspace 6)
     ; CI: [[C3:%[0-9]+]]:_(s64) = G_CONSTANT i64 3
     ; CI: [[PTR_ADD2:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C3]](s64)
-    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from undef + 3, addrspace 6)
+    ; CI: [[LOAD3:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p4) :: (load 1 from unknown-address + 3, addrspace 6)
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C4]]
     ; CI: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY2]], [[C4]]
     ; CI: [[C5:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C5]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND]], [[SHL]]
bb.0:
 
     ; CI-LABEL: name: test_zextload_constant32bit_s32_s16_align1
     ; CI: [[COPY:%[0-9]+]]:_(p6) = COPY $sgpr0
     ; CI: [[C:%[0-9]+]]:_(p6) = G_CONSTANT i32 0
     ; CI: [[MV:%[0-9]+]]:_(p4) = G_MERGE_VALUES [[COPY]](p6), [[C]](p6)
     ; CI: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[MV]](p4) :: (load 1, addrspace 6)
     ; CI: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; CI: [[PTR_ADD:%[0-9]+]]:_(p4) = G_PTR_ADD [[MV]], [[C1]](s64)
-    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from undef + 1, addrspace 6)
+    ; CI: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 1 from unknown-address + 1, addrspace 6)
     ; CI: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; CI: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; CI: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C2]]
     ; CI: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; CI: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; CI: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; CI: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C4]]
     ; CI: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C3]](s32)
     ; CI: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32)
     ; CI: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[TRUNC1]]
     ; CI: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; CI: $vgpr0 = COPY [[ZEXT]](s32)
     %0:_(p6) = COPY $sgpr0
     %1:_(s32) = G_ZEXTLOAD %0 :: (load 2, align 1, addrspace 6)
     $vgpr0 = COPY %1
 ...

llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-zextload-global.mir

body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; GFX8-LABEL: name: test_zextload_global_s32_from_2_align1
     ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX8: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX8: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX8: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX8: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX8: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX8: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX8: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX8: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX8: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX8: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX8: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[OR]](s16)
     ; GFX8: $vgpr0 = COPY [[ZEXT]](s32)
     ; GFX6-LABEL: name: test_zextload_global_s32_from_2_align1
     ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX6: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX6: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX6: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX6: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX6: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX6: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX6: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX6: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX6: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX6: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)
body: |
   bb.0:
     liveins: $vgpr0_vgpr1
 
     ; GFX8-LABEL: name: test_zextload_global_s64_from_2_align1
     ; GFX8: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX8: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX8: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX8: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX8: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX8: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX8: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX8: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX8: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX8: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD1]](s32)
     ; GFX8: [[AND1:%[0-9]+]]:_(s16) = G_AND [[TRUNC1]], [[C1]]
     ; GFX8: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 8
     ; GFX8: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[AND1]], [[C2]](s16)
     ; GFX8: [[OR:%[0-9]+]]:_(s16) = G_OR [[AND]], [[SHL]]
     ; GFX8: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[OR]](s16)
     ; GFX8: $vgpr0_vgpr1 = COPY [[ZEXT]](s64)
     ; GFX6-LABEL: name: test_zextload_global_s64_from_2_align1
     ; GFX6: [[COPY:%[0-9]+]]:_(p1) = COPY $vgpr0_vgpr1
     ; GFX6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p1) :: (load 1, addrspace 1)
     ; GFX6: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     ; GFX6: [[PTR_ADD:%[0-9]+]]:_(p1) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; GFX6: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from undef + 1, addrspace 1)
+    ; GFX6: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD]](p1) :: (load 1 from unknown-address + 1, addrspace 1)
     ; GFX6: [[C1:%[0-9]+]]:_(s16) = G_CONSTANT i16 255
     ; GFX6: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[LOAD]](s32)
     ; GFX6: [[AND:%[0-9]+]]:_(s16) = G_AND [[TRUNC]], [[C1]]
     ; GFX6: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 8
     ; GFX6: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     ; GFX6: [[COPY1:%[0-9]+]]:_(s32) = COPY [[LOAD1]](s32)
     ; GFX6: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY1]], [[C3]]
     ; GFX6: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[C2]](s32)

llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.s.buffer.load.ll

define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; GFX6:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
   ; GFX6:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
   ; GFX6:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
   ; GFX6:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
   ; GFX6:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
   ; GFX6:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
   ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
   ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 16, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
-  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 32, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 48, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 32, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 48, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GFX6:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFEN]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFEN1]], %subreg.sub4_sub5_sub6_sub7, [[BUFFER_LOAD_DWORDX4_OFFEN2]], %subreg.sub8_sub9_sub10_sub11, [[BUFFER_LOAD_DWORDX4_OFFEN3]], %subreg.sub12_sub13_sub14_sub15
   ; GFX6:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub0
   ; GFX6:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub1
   ; GFX6:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub2
   ; GFX6:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub3
   ; GFX6:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub4
   ; GFX6:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub5
   ; GFX6:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub6
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; GFX7:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
   ; GFX7:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
   ; GFX7:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
   ; GFX7:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
   ; GFX7:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
   ; GFX7:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
   ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
   ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 16, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
-  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 32, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 48, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 32, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 48, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GFX7:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFEN]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFEN1]], %subreg.sub4_sub5_sub6_sub7, [[BUFFER_LOAD_DWORDX4_OFFEN2]], %subreg.sub8_sub9_sub10_sub11, [[BUFFER_LOAD_DWORDX4_OFFEN3]], %subreg.sub12_sub13_sub14_sub15
   ; GFX7:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub0
   ; GFX7:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub1
   ; GFX7:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub2
   ; GFX7:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub3
   ; GFX7:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub4
   ; GFX7:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub5
   ; GFX7:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub6
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; GFX8:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
   ; GFX8:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
   ; GFX8:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
   ; GFX8:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
   ; GFX8:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
   ; GFX8:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
   ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
   ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 16, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
-  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 32, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 48, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 32, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 48, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GFX8:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFEN]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFEN1]], %subreg.sub4_sub5_sub6_sub7, [[BUFFER_LOAD_DWORDX4_OFFEN2]], %subreg.sub8_sub9_sub10_sub11, [[BUFFER_LOAD_DWORDX4_OFFEN3]], %subreg.sub12_sub13_sub14_sub15
   ; GFX8:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub0
   ; GFX8:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub1
   ; GFX8:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub2
   ; GFX8:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub3
   ; GFX8:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub4
   ; GFX8:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub5
   ; GFX8:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub6
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset_add_4032(<4 x i32> inreg %rsrc, i32 %soffset.base) {
   ; GFX6:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
   ; GFX6:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
   ; GFX6:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
   ; GFX6:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
   ; GFX6:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
   ; GFX6:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
   ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4032, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
   ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4048, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
-  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GFX6:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFEN]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFEN1]], %subreg.sub4_sub5_sub6_sub7, [[BUFFER_LOAD_DWORDX4_OFFEN2]], %subreg.sub8_sub9_sub10_sub11, [[BUFFER_LOAD_DWORDX4_OFFEN3]], %subreg.sub12_sub13_sub14_sub15
   ; GFX6:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub0
   ; GFX6:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub1
   ; GFX6:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub2
   ; GFX6:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub3
   ; GFX6:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub4
   ; GFX6:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub5
   ; GFX6:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub6
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset_add_4032(<4 x i32> inreg %rsrc, i32 %soffset.base) {
   ; GFX7:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
   ; GFX7:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
   ; GFX7:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
   ; GFX7:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
   ; GFX7:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
   ; GFX7:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
   ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4032, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
   ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4048, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
-  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GFX7:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFEN]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFEN1]], %subreg.sub4_sub5_sub6_sub7, [[BUFFER_LOAD_DWORDX4_OFFEN2]], %subreg.sub8_sub9_sub10_sub11, [[BUFFER_LOAD_DWORDX4_OFFEN3]], %subreg.sub12_sub13_sub14_sub15
   ; GFX7:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub0
   ; GFX7:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub1
   ; GFX7:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub2
   ; GFX7:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub3
   ; GFX7:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub4
   ; GFX7:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub5
   ; GFX7:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub6
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset_add_4032(<4 x i32> inreg %rsrc, i32 %soffset.base) {
   ; GFX8:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
   ; GFX8:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
   ; GFX8:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
   ; GFX8:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
   ; GFX8:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
   ; GFX8:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0
   ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4032, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
   ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4048, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
-  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GFX8:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFEN]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFEN1]], %subreg.sub4_sub5_sub6_sub7, [[BUFFER_LOAD_DWORDX4_OFFEN2]], %subreg.sub8_sub9_sub10_sub11, [[BUFFER_LOAD_DWORDX4_OFFEN3]], %subreg.sub12_sub13_sub14_sub15
   ; GFX8:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub0
   ; GFX8:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub1
   ; GFX8:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub2
   ; GFX8:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub3
   ; GFX8:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub4
   ; GFX8:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub5
   ; GFX8:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub6
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset_add_4036(<4 x i32> inreg %rsrc, i32 %soffset.base) {
   ; GFX6:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
   ; GFX6:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
   ; GFX6:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
   ; GFX6:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
   ; GFX6:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
   ; GFX6:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 4036
   ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
   ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 16, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
-  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 32, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 48, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 32, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 48, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GFX6:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFEN]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFEN1]], %subreg.sub4_sub5_sub6_sub7, [[BUFFER_LOAD_DWORDX4_OFFEN2]], %subreg.sub8_sub9_sub10_sub11, [[BUFFER_LOAD_DWORDX4_OFFEN3]], %subreg.sub12_sub13_sub14_sub15
   ; GFX6:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub0
   ; GFX6:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub1
   ; GFX6:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub2
   ; GFX6:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub3
   ; GFX6:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub4
   ; GFX6:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub5
   ; GFX6:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub6
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset_add_4036(<4 x i32> inreg %rsrc, i32 %soffset.base) {
   ; GFX7:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
   ; GFX7:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
   ; GFX7:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
   ; GFX7:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
   ; GFX7:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
   ; GFX7:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 4036
   ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
   ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 16, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
-  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 32, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 48, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 32, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 48, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GFX7:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFEN]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFEN1]], %subreg.sub4_sub5_sub6_sub7, [[BUFFER_LOAD_DWORDX4_OFFEN2]], %subreg.sub8_sub9_sub10_sub11, [[BUFFER_LOAD_DWORDX4_OFFEN3]], %subreg.sub12_sub13_sub14_sub15
   ; GFX7:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub0
   ; GFX7:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub1
   ; GFX7:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub2
   ; GFX7:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub3
   ; GFX7:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub4
   ; GFX7:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub5
   ; GFX7:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub6
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset_add_4036(<4 x i32> inreg %rsrc, i32 %soffset.base) {
   ; GFX8:   [[COPY1:%[0-9]+]]:sreg_32 = COPY $sgpr3
   ; GFX8:   [[COPY2:%[0-9]+]]:sreg_32 = COPY $sgpr4
   ; GFX8:   [[COPY3:%[0-9]+]]:sreg_32 = COPY $sgpr5
   ; GFX8:   [[REG_SEQUENCE:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[COPY]], %subreg.sub0, [[COPY1]], %subreg.sub1, [[COPY2]], %subreg.sub2, [[COPY3]], %subreg.sub3
   ; GFX8:   [[COPY4:%[0-9]+]]:vgpr_32 = COPY $vgpr0
   ; GFX8:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 4
   ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4032, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
   ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4048, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16, align 4)
-  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN2:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFEN3:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFEN [[COPY4]], [[REG_SEQUENCE]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GFX8:   [[REG_SEQUENCE1:%[0-9]+]]:vreg_512 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFEN]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFEN1]], %subreg.sub4_sub5_sub6_sub7, [[BUFFER_LOAD_DWORDX4_OFFEN2]], %subreg.sub8_sub9_sub10_sub11, [[BUFFER_LOAD_DWORDX4_OFFEN3]], %subreg.sub12_sub13_sub14_sub15
   ; GFX8:   [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub0
   ; GFX8:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub1
   ; GFX8:   [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub2
   ; GFX8:   [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub3
   ; GFX8:   [[COPY9:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub4
   ; GFX8:   [[COPY10:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub5
   ; GFX8:   [[COPY11:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub6
define amdgpu_ps float @s_buffer_load_f32_vgpr_rsrc_offset_4095(<4 x i32> %rsrc) {
   ; GFX6:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1
   ; GFX6:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY4]], implicit $exec
   ; GFX6:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub0, implicit $exec
   ; GFX6:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub1, implicit $exec
   ; GFX6:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1
   ; GFX6:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY5]], implicit $exec
   ; GFX6:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; GFX6:   [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
-  ; GFX6:   [[BUFFER_LOAD_DWORD_OFFSET:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4095, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 4 from undef + 4095, align 1)
+  ; GFX6:   [[BUFFER_LOAD_DWORD_OFFSET:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4095, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 4 from unknown-address + 4095, align 1)
   ; GFX6:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; GFX6:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; GFX6:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; GFX6: bb.3:
   ; GFX6:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; GFX6: bb.4:
   ; GFX6:   $vgpr0 = COPY [[BUFFER_LOAD_DWORD_OFFSET]]
   ; GFX6:   SI_RETURN_TO_EPILOG implicit $vgpr0
define amdgpu_ps float @s_buffer_load_f32_vgpr_rsrc_offset_4095(<4 x i32> %rsrc) {
   ; GFX7:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1
   ; GFX7:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY4]], implicit $exec
   ; GFX7:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub0, implicit $exec
   ; GFX7:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub1, implicit $exec
   ; GFX7:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1
   ; GFX7:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY5]], implicit $exec
   ; GFX7:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; GFX7:   [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
-  ; GFX7:   [[BUFFER_LOAD_DWORD_OFFSET:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4095, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 4 from undef + 4095, align 1)
+  ; GFX7:   [[BUFFER_LOAD_DWORD_OFFSET:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4095, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 4 from unknown-address + 4095, align 1)
   ; GFX7:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; GFX7:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; GFX7:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; GFX7: bb.3:
   ; GFX7:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; GFX7: bb.4:
   ; GFX7:   $vgpr0 = COPY [[BUFFER_LOAD_DWORD_OFFSET]]
   ; GFX7:   SI_RETURN_TO_EPILOG implicit $vgpr0
define amdgpu_ps float @s_buffer_load_f32_vgpr_rsrc_offset_4095(<4 x i32> %rsrc) {
   ; GFX8:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1
   ; GFX8:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY4]], implicit $exec
   ; GFX8:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub0, implicit $exec
   ; GFX8:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub1, implicit $exec
   ; GFX8:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1
   ; GFX8:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY5]], implicit $exec
   ; GFX8:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; GFX8:   [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
-  ; GFX8:   [[BUFFER_LOAD_DWORD_OFFSET:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4095, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 4 from undef + 4095, align 1)
+  ; GFX8:   [[BUFFER_LOAD_DWORD_OFFSET:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4095, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 4 from unknown-address + 4095, align 1)
   ; GFX8:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; GFX8:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; GFX8:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; GFX8: bb.3:
   ; GFX8:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; GFX8: bb.4:
   ; GFX8:   $vgpr0 = COPY [[BUFFER_LOAD_DWORD_OFFSET]]
   ; GFX8:   SI_RETURN_TO_EPILOG implicit $vgpr0
define amdgpu_ps float @s_buffer_load_f32_vgpr_rsrc_offset_4096(<4 x i32> %rsrc) {
   ; GFX8:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1
   ; GFX8:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY4]], implicit $exec
   ; GFX8:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub0, implicit $exec
   ; GFX8:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub1, implicit $exec
   ; GFX8:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1
   ; GFX8:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY5]], implicit $exec
   ; GFX8:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; GFX8:   [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
-  ; GFX8:   [[BUFFER_LOAD_DWORD_OFFSET:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4095, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 4 from undef + 4096)
+  ; GFX8:   [[BUFFER_LOAD_DWORD_OFFSET:%[0-9]+]]:vgpr_32 = BUFFER_LOAD_DWORD_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4095, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 4 from unknown-address + 4096)
   ; GFX8:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; GFX8:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; GFX8:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; GFX8: bb.3:
   ; GFX8:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; GFX8: bb.4:
   ; GFX8:   $vgpr0 = COPY [[BUFFER_LOAD_DWORD_OFFSET]]
   ; GFX8:   SI_RETURN_TO_EPILOG implicit $vgpr0
define amdgpu_ps <8 x float> @s_buffer_load_v8f32_vgpr_offset_vgpr_rsrc_offset_4064(<4 x i32> %rsrc, i32 %offset.base) {
   ; GFX6:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1
   ; GFX6:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY4]], implicit $exec
   ; GFX6:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub0, implicit $exec
   ; GFX6:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub1, implicit $exec
   ; GFX6:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1
   ; GFX6:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY5]], implicit $exec
   ; GFX6:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; GFX6:   [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
-  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFSET:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 4064, align 4)
-  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFSET1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 4064, align 4)
+  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFSET:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 4064, align 4)
+  ; GFX6:   [[BUFFER_LOAD_DWORDX4_OFFSET1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 4064, align 4)
   ; GFX6:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; GFX6:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; GFX6:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; GFX6: bb.3:
   ; GFX6:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; GFX6: bb.4:
   ; GFX6:   [[REG_SEQUENCE4:%[0-9]+]]:vreg_256 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFSET]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFSET1]], %subreg.sub4_sub5_sub6_sub7
   ; GFX6:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE4]].sub0
define amdgpu_ps <8 x float> @s_buffer_load_v8f32_vgpr_offset_vgpr_rsrc_offset_4064(<4 x i32> %rsrc, i32 %offset.base) {
   ; GFX7:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1
   ; GFX7:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY4]], implicit $exec
   ; GFX7:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub0, implicit $exec
   ; GFX7:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub1, implicit $exec
   ; GFX7:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1
   ; GFX7:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY5]], implicit $exec
   ; GFX7:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; GFX7:   [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
-  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFSET:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 4064, align 4)
-  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFSET1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 4064, align 4)
+  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFSET:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 4064, align 4)
+  ; GFX7:   [[BUFFER_LOAD_DWORDX4_OFFSET1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 4064, align 4)
   ; GFX7:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; GFX7:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; GFX7:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; GFX7: bb.3:
   ; GFX7:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; GFX7: bb.4:
   ; GFX7:   [[REG_SEQUENCE4:%[0-9]+]]:vreg_256 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFSET]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFSET1]], %subreg.sub4_sub5_sub6_sub7
   ; GFX7:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE4]].sub0
define amdgpu_ps <8 x float> @s_buffer_load_v8f32_vgpr_offset_vgpr_rsrc_offset_4064(<4 x i32> %rsrc, i32 %offset.base) {
   ; GFX8:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1
   ; GFX8:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE1]], [[COPY4]], implicit $exec
   ; GFX8:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub0, implicit $exec
   ; GFX8:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0 = V_READFIRSTLANE_B32 [[COPY5]].sub1, implicit $exec
   ; GFX8:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec = REG_SEQUENCE [[V_READFIRSTLANE_B32_2]], %subreg.sub0, [[V_READFIRSTLANE_B32_3]], %subreg.sub1
   ; GFX8:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[REG_SEQUENCE2]], [[COPY5]], implicit $exec
   ; GFX8:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; GFX8:   [[REG_SEQUENCE3:%[0-9]+]]:sgpr_128 = REG_SEQUENCE [[V_READFIRSTLANE_B32_]], %subreg.sub0, [[V_READFIRSTLANE_B32_1]], %subreg.sub1, [[V_READFIRSTLANE_B32_2]], %subreg.sub2, [[V_READFIRSTLANE_B32_3]], %subreg.sub3
-  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFSET:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 4064, align 4)
-  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFSET1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from undef + 4064, align 4)
+  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFSET:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4064, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 4064, align 4)
+  ; GFX8:   [[BUFFER_LOAD_DWORDX4_OFFSET1:%[0-9]+]]:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET [[REG_SEQUENCE3]], [[S_MOV_B32_]], 4080, 0, 0, 0, 0, 0, 0, implicit $exec :: (dereferenceable invariant load 16 from unknown-address + 4064, align 4)
   ; GFX8:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; GFX8:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; GFX8:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; GFX8: bb.3:
   ; GFX8:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; GFX8: bb.4:
   ; GFX8:   [[REG_SEQUENCE4:%[0-9]+]]:vreg_256 = REG_SEQUENCE [[BUFFER_LOAD_DWORDX4_OFFSET]], %subreg.sub0_sub1_sub2_sub3, [[BUFFER_LOAD_DWORDX4_OFFSET1]], %subreg.sub4_sub5_sub6_sub7
   ; GFX8:   [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE4]].sub0

llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-amdgcn.s.buffer.load.ll

define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; CHECK:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4
   ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
   ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; CHECK:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; CHECK:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; CHECK:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<16 x s32>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<4 x s32>), [[AMDGPU_BUFFER_LOAD1]](<4 x s32>), [[AMDGPU_BUFFER_LOAD2]](<4 x s32>), [[AMDGPU_BUFFER_LOAD3]](<4 x s32>)
   ; CHECK:   [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32), [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32), [[UV4:%[0-9]+]]:vgpr(s32), [[UV5:%[0-9]+]]:vgpr(s32), [[UV6:%[0-9]+]]:vgpr(s32), [[UV7:%[0-9]+]]:vgpr(s32), [[UV8:%[0-9]+]]:vgpr(s32), [[UV9:%[0-9]+]]:vgpr(s32), [[UV10:%[0-9]+]]:vgpr(s32), [[UV11:%[0-9]+]]:vgpr(s32), [[UV12:%[0-9]+]]:vgpr(s32), [[UV13:%[0-9]+]]:vgpr(s32), [[UV14:%[0-9]+]]:vgpr(s32), [[UV15:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<16 x s32>)
   ; CHECK:   $vgpr0 = COPY [[UV]](s32)
   ; CHECK:   $vgpr1 = COPY [[UV1]](s32)
   ; CHECK:   $vgpr2 = COPY [[UV2]](s32)
   ; CHECK:   $vgpr3 = COPY [[UV3]](s32)
   ; CHECK:   $vgpr4 = COPY [[UV4]](s32)
   ; CHECK:   $vgpr5 = COPY [[UV5]](s32)
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; GREEDY:   [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr4
   ; GREEDY:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
   ; GREEDY:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; GREEDY:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; GREEDY:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GREEDY:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<16 x s32>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<4 x s32>), [[AMDGPU_BUFFER_LOAD1]](<4 x s32>), [[AMDGPU_BUFFER_LOAD2]](<4 x s32>), [[AMDGPU_BUFFER_LOAD3]](<4 x s32>)
   ; GREEDY:   [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32), [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32), [[UV4:%[0-9]+]]:vgpr(s32), [[UV5:%[0-9]+]]:vgpr(s32), [[UV6:%[0-9]+]]:vgpr(s32), [[UV7:%[0-9]+]]:vgpr(s32), [[UV8:%[0-9]+]]:vgpr(s32), [[UV9:%[0-9]+]]:vgpr(s32), [[UV10:%[0-9]+]]:vgpr(s32), [[UV11:%[0-9]+]]:vgpr(s32), [[UV12:%[0-9]+]]:vgpr(s32), [[UV13:%[0-9]+]]:vgpr(s32), [[UV14:%[0-9]+]]:vgpr(s32), [[UV15:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<16 x s32>)
   ; GREEDY:   $vgpr0 = COPY [[UV]](s32)
   ; GREEDY:   $vgpr1 = COPY [[UV1]](s32)
   ; GREEDY:   $vgpr2 = COPY [[UV2]](s32)
   ; GREEDY:   $vgpr3 = COPY [[UV3]](s32)
   ; GREEDY:   $vgpr4 = COPY [[UV4]](s32)
   ; GREEDY:   $vgpr5 = COPY [[UV5]](s32)
define amdgpu_ps void @s_buffer_load_i512_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
   ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; CHECK:   [[DEF:%[0-9]+]]:sgpr(p1) = G_IMPLICIT_DEF
   ; CHECK:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; CHECK:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; CHECK:   [[MV:%[0-9]+]]:vgpr(s512) = G_MERGE_VALUES [[AMDGPU_BUFFER_LOAD]](s128), [[AMDGPU_BUFFER_LOAD1]](s128), [[AMDGPU_BUFFER_LOAD2]](s128), [[AMDGPU_BUFFER_LOAD3]](s128)
   ; CHECK:   [[UV:%[0-9]+]]:vgpr(s128), [[UV1:%[0-9]+]]:vgpr(s128), [[UV2:%[0-9]+]]:vgpr(s128), [[UV3:%[0-9]+]]:vgpr(s128) = G_UNMERGE_VALUES [[MV]](s512)
   ; CHECK:   G_STORE [[UV]](s128), [[DEF]](p1) :: (store 16 into `i512 addrspace(1)* undef`, align 8, addrspace 1)
   ; CHECK:   [[C2:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 16
   ; CHECK:   [[PTR_ADD:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C2]](s64)
   ; CHECK:   G_STORE [[UV1]](s128), [[PTR_ADD]](p1) :: (store 16 into `i512 addrspace(1)* undef` + 16, align 8, addrspace 1)
   ; CHECK:   [[C3:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 32
   ; CHECK:   [[PTR_ADD1:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C3]](s64)
define amdgpu_ps void @s_buffer_load_i512_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; GREEDY:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
   ; GREEDY:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; GREEDY:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; GREEDY:   [[DEF:%[0-9]+]]:sgpr(p1) = G_IMPLICIT_DEF
   ; GREEDY:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(s128) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GREEDY:   [[MV:%[0-9]+]]:vgpr(s512) = G_MERGE_VALUES [[AMDGPU_BUFFER_LOAD]](s128), [[AMDGPU_BUFFER_LOAD1]](s128), [[AMDGPU_BUFFER_LOAD2]](s128), [[AMDGPU_BUFFER_LOAD3]](s128)
   ; GREEDY:   [[UV:%[0-9]+]]:vgpr(s128), [[UV1:%[0-9]+]]:vgpr(s128), [[UV2:%[0-9]+]]:vgpr(s128), [[UV3:%[0-9]+]]:vgpr(s128) = G_UNMERGE_VALUES [[MV]](s512)
   ; GREEDY:   G_STORE [[UV]](s128), [[DEF]](p1) :: (store 16 into `i512 addrspace(1)* undef`, align 8, addrspace 1)
   ; GREEDY:   [[C2:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 16
   ; GREEDY:   [[PTR_ADD:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C2]](s64)
   ; GREEDY:   G_STORE [[UV1]](s128), [[PTR_ADD]](p1) :: (store 16 into `i512 addrspace(1)* undef` + 16, align 8, addrspace 1)
   ; GREEDY:   [[C3:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 32
   ; GREEDY:   [[PTR_ADD1:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C3]](s64)
define amdgpu_ps void @s_buffer_load_v32i16_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
   ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; CHECK:   [[DEF:%[0-9]+]]:sgpr(p1) = G_IMPLICIT_DEF
   ; CHECK:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; CHECK:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; CHECK:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<32 x s16>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<8 x s16>), [[AMDGPU_BUFFER_LOAD1]](<8 x s16>), [[AMDGPU_BUFFER_LOAD2]](<8 x s16>), [[AMDGPU_BUFFER_LOAD3]](<8 x s16>)
   ; CHECK:   [[UV:%[0-9]+]]:vgpr(<8 x s16>), [[UV1:%[0-9]+]]:vgpr(<8 x s16>), [[UV2:%[0-9]+]]:vgpr(<8 x s16>), [[UV3:%[0-9]+]]:vgpr(<8 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<32 x s16>)
   ; CHECK:   G_STORE [[UV]](<8 x s16>), [[DEF]](p1) :: (store 16 into `<32 x i16> addrspace(1)* undef`, align 64, addrspace 1)
   ; CHECK:   [[C2:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 16
   ; CHECK:   [[PTR_ADD:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C2]](s64)
   ; CHECK:   G_STORE [[UV1]](<8 x s16>), [[PTR_ADD]](p1) :: (store 16 into `<32 x i16> addrspace(1)* undef` + 16, basealign 64, addrspace 1)
   ; CHECK:   [[C3:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 32
   ; CHECK:   [[PTR_ADD1:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C3]](s64)
define amdgpu_ps void @s_buffer_load_v32i16_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; GREEDY:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
   ; GREEDY:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; GREEDY:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; GREEDY:   [[DEF:%[0-9]+]]:sgpr(p1) = G_IMPLICIT_DEF
   ; GREEDY:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<8 x s16>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GREEDY:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<32 x s16>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<8 x s16>), [[AMDGPU_BUFFER_LOAD1]](<8 x s16>), [[AMDGPU_BUFFER_LOAD2]](<8 x s16>), [[AMDGPU_BUFFER_LOAD3]](<8 x s16>)
   ; GREEDY:   [[UV:%[0-9]+]]:vgpr(<8 x s16>), [[UV1:%[0-9]+]]:vgpr(<8 x s16>), [[UV2:%[0-9]+]]:vgpr(<8 x s16>), [[UV3:%[0-9]+]]:vgpr(<8 x s16>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<32 x s16>)
   ; GREEDY:   G_STORE [[UV]](<8 x s16>), [[DEF]](p1) :: (store 16 into `<32 x i16> addrspace(1)* undef`, align 64, addrspace 1)
   ; GREEDY:   [[C2:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 16
   ; GREEDY:   [[PTR_ADD:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C2]](s64)
   ; GREEDY:   G_STORE [[UV1]](<8 x s16>), [[PTR_ADD]](p1) :: (store 16 into `<32 x i16> addrspace(1)* undef` + 16, basealign 64, addrspace 1)
   ; GREEDY:   [[C3:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 32
   ; GREEDY:   [[PTR_ADD1:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C3]](s64)
define amdgpu_ps void @s_buffer_load_v8i64_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
   ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; CHECK:   [[DEF:%[0-9]+]]:sgpr(p1) = G_IMPLICIT_DEF
   ; CHECK:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; CHECK:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; CHECK:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<8 x s64>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<2 x s64>), [[AMDGPU_BUFFER_LOAD1]](<2 x s64>), [[AMDGPU_BUFFER_LOAD2]](<2 x s64>), [[AMDGPU_BUFFER_LOAD3]](<2 x s64>)
   ; CHECK:   [[UV:%[0-9]+]]:vgpr(<2 x s64>), [[UV1:%[0-9]+]]:vgpr(<2 x s64>), [[UV2:%[0-9]+]]:vgpr(<2 x s64>), [[UV3:%[0-9]+]]:vgpr(<2 x s64>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<8 x s64>)
   ; CHECK:   G_STORE [[UV]](<2 x s64>), [[DEF]](p1) :: (store 16 into `<8 x i64> addrspace(1)* undef`, align 64, addrspace 1)
   ; CHECK:   [[C2:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 16
   ; CHECK:   [[PTR_ADD:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C2]](s64)
   ; CHECK:   G_STORE [[UV1]](<2 x s64>), [[PTR_ADD]](p1) :: (store 16 into `<8 x i64> addrspace(1)* undef` + 16, basealign 64, addrspace 1)
   ; CHECK:   [[C3:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 32
   ; CHECK:   [[PTR_ADD1:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C3]](s64)
define amdgpu_ps void @s_buffer_load_v8i64_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; GREEDY:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
   ; GREEDY:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; GREEDY:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; GREEDY:   [[DEF:%[0-9]+]]:sgpr(p1) = G_IMPLICIT_DEF
   ; GREEDY:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<2 x s64>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GREEDY:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<8 x s64>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<2 x s64>), [[AMDGPU_BUFFER_LOAD1]](<2 x s64>), [[AMDGPU_BUFFER_LOAD2]](<2 x s64>), [[AMDGPU_BUFFER_LOAD3]](<2 x s64>)
   ; GREEDY:   [[UV:%[0-9]+]]:vgpr(<2 x s64>), [[UV1:%[0-9]+]]:vgpr(<2 x s64>), [[UV2:%[0-9]+]]:vgpr(<2 x s64>), [[UV3:%[0-9]+]]:vgpr(<2 x s64>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<8 x s64>)
   ; GREEDY:   G_STORE [[UV]](<2 x s64>), [[DEF]](p1) :: (store 16 into `<8 x i64> addrspace(1)* undef`, align 64, addrspace 1)
   ; GREEDY:   [[C2:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 16
   ; GREEDY:   [[PTR_ADD:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C2]](s64)
   ; GREEDY:   G_STORE [[UV1]](<2 x s64>), [[PTR_ADD]](p1) :: (store 16 into `<8 x i64> addrspace(1)* undef` + 16, basealign 64, addrspace 1)
   ; GREEDY:   [[C3:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 32
   ; GREEDY:   [[PTR_ADD1:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C3]](s64)
define amdgpu_ps void @s_buffer_load_v8p1_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; CHECK:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
   ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; CHECK:   [[DEF:%[0-9]+]]:sgpr(p1) = G_IMPLICIT_DEF
   ; CHECK:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; CHECK:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; CHECK:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<8 x p1>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<2 x p1>), [[AMDGPU_BUFFER_LOAD1]](<2 x p1>), [[AMDGPU_BUFFER_LOAD2]](<2 x p1>), [[AMDGPU_BUFFER_LOAD3]](<2 x p1>)
   ; CHECK:   [[UV:%[0-9]+]]:vgpr(<2 x p1>), [[UV1:%[0-9]+]]:vgpr(<2 x p1>), [[UV2:%[0-9]+]]:vgpr(<2 x p1>), [[UV3:%[0-9]+]]:vgpr(<2 x p1>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<8 x p1>)
   ; CHECK:   G_STORE [[UV]](<2 x p1>), [[DEF]](p1) :: (store 16 into `<8 x i8 addrspace(1)*> addrspace(1)* undef`, align 64, addrspace 1)
   ; CHECK:   [[C2:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 16
   ; CHECK:   [[PTR_ADD:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C2]](s64)
   ; CHECK:   G_STORE [[UV1]](<2 x p1>), [[PTR_ADD]](p1) :: (store 16 into `<8 x i8 addrspace(1)*> addrspace(1)* undef` + 16, basealign 64, addrspace 1)
   ; CHECK:   [[C3:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 32
   ; CHECK:   [[PTR_ADD1:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C3]](s64)
define amdgpu_ps void @s_buffer_load_v8p1_vgpr_offset(<4 x i32> inreg %rsrc, i32 %soffset) {
   ; GREEDY:   [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr5
   ; GREEDY:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; GREEDY:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; GREEDY:   [[DEF:%[0-9]+]]:sgpr(p1) = G_IMPLICIT_DEF
   ; GREEDY:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<2 x p1>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GREEDY:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<8 x p1>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<2 x p1>), [[AMDGPU_BUFFER_LOAD1]](<2 x p1>), [[AMDGPU_BUFFER_LOAD2]](<2 x p1>), [[AMDGPU_BUFFER_LOAD3]](<2 x p1>)
   ; GREEDY:   [[UV:%[0-9]+]]:vgpr(<2 x p1>), [[UV1:%[0-9]+]]:vgpr(<2 x p1>), [[UV2:%[0-9]+]]:vgpr(<2 x p1>), [[UV3:%[0-9]+]]:vgpr(<2 x p1>) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<8 x p1>)
   ; GREEDY:   G_STORE [[UV]](<2 x p1>), [[DEF]](p1) :: (store 16 into `<8 x i8 addrspace(1)*> addrspace(1)* undef`, align 64, addrspace 1)
   ; GREEDY:   [[C2:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 16
   ; GREEDY:   [[PTR_ADD:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C2]](s64)
   ; GREEDY:   G_STORE [[UV1]](<2 x p1>), [[PTR_ADD]](p1) :: (store 16 into `<8 x i8 addrspace(1)*> addrspace(1)* undef` + 16, basealign 64, addrspace 1)
   ; GREEDY:   [[C3:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 32
   ; GREEDY:   [[PTR_ADD1:%[0-9]+]]:sgpr(p1) = G_PTR_ADD [[DEF]], [[C3]](s64)
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset_add_4032(<4 x i32> inreg %rsrc, i32 %soffset.base) {
   ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; CHECK:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 4032
   ; CHECK:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
   ; CHECK:   [[ADD:%[0-9]+]]:vgpr(s32) = G_ADD [[COPY4]], [[COPY5]]
   ; CHECK:   [[C1:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[C2:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4032, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; CHECK:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4048, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4064, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4080, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4064, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4080, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; CHECK:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<16 x s32>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<4 x s32>), [[AMDGPU_BUFFER_LOAD1]](<4 x s32>), [[AMDGPU_BUFFER_LOAD2]](<4 x s32>), [[AMDGPU_BUFFER_LOAD3]](<4 x s32>)
   ; CHECK:   [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32), [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32), [[UV4:%[0-9]+]]:vgpr(s32), [[UV5:%[0-9]+]]:vgpr(s32), [[UV6:%[0-9]+]]:vgpr(s32), [[UV7:%[0-9]+]]:vgpr(s32), [[UV8:%[0-9]+]]:vgpr(s32), [[UV9:%[0-9]+]]:vgpr(s32), [[UV10:%[0-9]+]]:vgpr(s32), [[UV11:%[0-9]+]]:vgpr(s32), [[UV12:%[0-9]+]]:vgpr(s32), [[UV13:%[0-9]+]]:vgpr(s32), [[UV14:%[0-9]+]]:vgpr(s32), [[UV15:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<16 x s32>)
   ; CHECK:   $vgpr0 = COPY [[UV]](s32)
   ; CHECK:   $vgpr1 = COPY [[UV1]](s32)
   ; CHECK:   $vgpr2 = COPY [[UV2]](s32)
   ; CHECK:   $vgpr3 = COPY [[UV3]](s32)
   ; CHECK:   $vgpr4 = COPY [[UV4]](s32)
   ; CHECK:   $vgpr5 = COPY [[UV5]](s32)
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset_add_4032(<4 x i32> inreg %rsrc, i32 %soffset.base) {
   ; GREEDY:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; GREEDY:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 4032
   ; GREEDY:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
   ; GREEDY:   [[ADD:%[0-9]+]]:vgpr(s32) = G_ADD [[COPY4]], [[COPY5]]
   ; GREEDY:   [[C1:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[C2:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4032, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4048, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4064, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4080, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4064, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C2]](s32), [[COPY4]], [[C1]], 4080, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GREEDY:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<16 x s32>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<4 x s32>), [[AMDGPU_BUFFER_LOAD1]](<4 x s32>), [[AMDGPU_BUFFER_LOAD2]](<4 x s32>), [[AMDGPU_BUFFER_LOAD3]](<4 x s32>)
   ; GREEDY:   [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32), [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32), [[UV4:%[0-9]+]]:vgpr(s32), [[UV5:%[0-9]+]]:vgpr(s32), [[UV6:%[0-9]+]]:vgpr(s32), [[UV7:%[0-9]+]]:vgpr(s32), [[UV8:%[0-9]+]]:vgpr(s32), [[UV9:%[0-9]+]]:vgpr(s32), [[UV10:%[0-9]+]]:vgpr(s32), [[UV11:%[0-9]+]]:vgpr(s32), [[UV12:%[0-9]+]]:vgpr(s32), [[UV13:%[0-9]+]]:vgpr(s32), [[UV14:%[0-9]+]]:vgpr(s32), [[UV15:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<16 x s32>)
   ; GREEDY:   $vgpr0 = COPY [[UV]](s32)
   ; GREEDY:   $vgpr1 = COPY [[UV1]](s32)
   ; GREEDY:   $vgpr2 = COPY [[UV2]](s32)
   ; GREEDY:   $vgpr3 = COPY [[UV3]](s32)
   ; GREEDY:   $vgpr4 = COPY [[UV4]](s32)
   ; GREEDY:   $vgpr5 = COPY [[UV5]](s32)
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset_add_4036(<4 x i32> inreg %rsrc, i32 %soffset.base) {
   ; CHECK:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; CHECK:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; CHECK:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 4036
   ; CHECK:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
   ; CHECK:   [[ADD:%[0-9]+]]:vgpr(s32) = G_ADD [[COPY4]], [[COPY5]]
   ; CHECK:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; CHECK:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; CHECK:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<16 x s32>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<4 x s32>), [[AMDGPU_BUFFER_LOAD1]](<4 x s32>), [[AMDGPU_BUFFER_LOAD2]](<4 x s32>), [[AMDGPU_BUFFER_LOAD3]](<4 x s32>)
   ; CHECK:   [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32), [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32), [[UV4:%[0-9]+]]:vgpr(s32), [[UV5:%[0-9]+]]:vgpr(s32), [[UV6:%[0-9]+]]:vgpr(s32), [[UV7:%[0-9]+]]:vgpr(s32), [[UV8:%[0-9]+]]:vgpr(s32), [[UV9:%[0-9]+]]:vgpr(s32), [[UV10:%[0-9]+]]:vgpr(s32), [[UV11:%[0-9]+]]:vgpr(s32), [[UV12:%[0-9]+]]:vgpr(s32), [[UV13:%[0-9]+]]:vgpr(s32), [[UV14:%[0-9]+]]:vgpr(s32), [[UV15:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<16 x s32>)
   ; CHECK:   $vgpr0 = COPY [[UV]](s32)
   ; CHECK:   $vgpr1 = COPY [[UV1]](s32)
   ; CHECK:   $vgpr2 = COPY [[UV2]](s32)
   ; CHECK:   $vgpr3 = COPY [[UV3]](s32)
   ; CHECK:   $vgpr4 = COPY [[UV4]](s32)
   ; CHECK:   $vgpr5 = COPY [[UV5]](s32)
define amdgpu_ps <16 x float> @s_buffer_load_v16f32_vgpr_offset_add_4036(<4 x i32> inreg %rsrc, i32 %soffset.base) {
   ; GREEDY:   [[BUILD_VECTOR:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[COPY]](s32), [[COPY1]](s32), [[COPY2]](s32), [[COPY3]](s32)
   ; GREEDY:   [[COPY4:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
   ; GREEDY:   [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 4036
   ; GREEDY:   [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[C]](s32)
   ; GREEDY:   [[ADD:%[0-9]+]]:vgpr(s32) = G_ADD [[COPY4]], [[COPY5]]
   ; GREEDY:   [[C1:%[0-9]+]]:vgpr(s32) = G_CONSTANT i32 0
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 0, 0, 0 :: (dereferenceable invariant load 16, align 4)
   ; GREEDY:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 16, 0, 0 :: (dereferenceable invariant load 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from undef + 16, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from undef + 48, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD2:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 32, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 16, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD3:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR]](<4 x s32>), [[C1]](s32), [[COPY4]], [[C]], 48, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 48, align 4)
   ; GREEDY:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<16 x s32>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<4 x s32>), [[AMDGPU_BUFFER_LOAD1]](<4 x s32>), [[AMDGPU_BUFFER_LOAD2]](<4 x s32>), [[AMDGPU_BUFFER_LOAD3]](<4 x s32>)
   ; GREEDY:   [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32), [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32), [[UV4:%[0-9]+]]:vgpr(s32), [[UV5:%[0-9]+]]:vgpr(s32), [[UV6:%[0-9]+]]:vgpr(s32), [[UV7:%[0-9]+]]:vgpr(s32), [[UV8:%[0-9]+]]:vgpr(s32), [[UV9:%[0-9]+]]:vgpr(s32), [[UV10:%[0-9]+]]:vgpr(s32), [[UV11:%[0-9]+]]:vgpr(s32), [[UV12:%[0-9]+]]:vgpr(s32), [[UV13:%[0-9]+]]:vgpr(s32), [[UV14:%[0-9]+]]:vgpr(s32), [[UV15:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<16 x s32>)
   ; GREEDY:   $vgpr0 = COPY [[UV]](s32)
   ; GREEDY:   $vgpr1 = COPY [[UV1]](s32)
   ; GREEDY:   $vgpr2 = COPY [[UV2]](s32)
   ; GREEDY:   $vgpr3 = COPY [[UV3]](s32)
   ; GREEDY:   $vgpr4 = COPY [[UV4]](s32)
   ; GREEDY:   $vgpr5 = COPY [[UV5]](s32)
define amdgpu_ps float @s_buffer_load_f32_vgpr_rsrc_offset_4095(<4 x i32> %rsrc) {
   ; CHECK:   [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32)
   ; CHECK:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec
   ; CHECK:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec
   ; CHECK:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec
   ; CHECK:   [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
   ; CHECK:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), implicit $exec
   ; CHECK:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; CHECK:   [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4095, 0, 0 :: (dereferenceable invariant load 4 from undef + 4095, align 1)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4095, 0, 0 :: (dereferenceable invariant load 4 from unknown-address + 4095, align 1)
   ; CHECK:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; CHECK:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; CHECK:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; CHECK: bb.3:
   ; CHECK:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; CHECK: bb.4:
   ; CHECK:   $vgpr0 = COPY [[AMDGPU_BUFFER_LOAD]](s32)
   ; CHECK:   SI_RETURN_TO_EPILOG implicit $vgpr0
define amdgpu_ps float @s_buffer_load_f32_vgpr_rsrc_offset_4095(<4 x i32> %rsrc) {
   ; GREEDY:   [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32)
   ; GREEDY:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec
   ; GREEDY:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec
   ; GREEDY:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec
   ; GREEDY:   [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
   ; GREEDY:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), implicit $exec
   ; GREEDY:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; GREEDY:   [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4095, 0, 0 :: (dereferenceable invariant load 4 from undef + 4095, align 1)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(s32) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4095, 0, 0 :: (dereferenceable invariant load 4 from unknown-address + 4095, align 1)
   ; GREEDY:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; GREEDY:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; GREEDY:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; GREEDY: bb.3:
   ; GREEDY:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; GREEDY: bb.4:
   ; GREEDY:   $vgpr0 = COPY [[AMDGPU_BUFFER_LOAD]](s32)
   ; GREEDY:   SI_RETURN_TO_EPILOG implicit $vgpr0
define amdgpu_ps <8 x float> @s_buffer_load_v8f32_vgpr_offset_vgpr_rsrc_offset_4064(<4 x i32> %rsrc, i32 %offset.base) {
   ; CHECK:   [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32)
   ; CHECK:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec
   ; CHECK:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec
   ; CHECK:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec
   ; CHECK:   [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
   ; CHECK:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), implicit $exec
   ; CHECK:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; CHECK:   [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4064, 0, 0 :: (dereferenceable invariant load 16 from undef + 4064, align 4)
-  ; CHECK:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4080, 0, 0 :: (dereferenceable invariant load 16 from undef + 4064, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4064, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 4064, align 4)
+  ; CHECK:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4080, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 4064, align 4)
   ; CHECK:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; CHECK:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; CHECK:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; CHECK: bb.3:
   ; CHECK:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; CHECK: bb.4:
   ; CHECK:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<8 x s32>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<4 x s32>), [[AMDGPU_BUFFER_LOAD1]](<4 x s32>)
   ; CHECK:   [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32), [[UV4:%[0-9]+]]:vgpr(s32), [[UV5:%[0-9]+]]:vgpr(s32), [[UV6:%[0-9]+]]:vgpr(s32), [[UV7:%[0-9]+]]:vgpr(s32), [[UV8:%[0-9]+]]:vgpr(s32), [[UV9:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<8 x s32>)
define amdgpu_ps <8 x float> @s_buffer_load_v8f32_vgpr_offset_vgpr_rsrc_offset_4064(<4 x i32> %rsrc, i32 %offset.base) {
   ; GREEDY:   [[MV:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32)
   ; GREEDY:   [[V_CMP_EQ_U64_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV]](s64), [[UV]](s64), implicit $exec
   ; GREEDY:   [[V_READFIRSTLANE_B32_2:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub0(s64), implicit $exec
   ; GREEDY:   [[V_READFIRSTLANE_B32_3:%[0-9]+]]:sreg_32_xm0(s32) = V_READFIRSTLANE_B32 [[UV1]].sub1(s64), implicit $exec
   ; GREEDY:   [[MV1:%[0-9]+]]:sreg_64_xexec(s64) = G_MERGE_VALUES [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
   ; GREEDY:   [[V_CMP_EQ_U64_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_EQ_U64_e64 [[MV1]](s64), [[UV1]](s64), implicit $exec
   ; GREEDY:   [[S_AND_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_B64 [[V_CMP_EQ_U64_e64_1]], [[V_CMP_EQ_U64_e64_]], implicit-def $scc
   ; GREEDY:   [[BUILD_VECTOR1:%[0-9]+]]:sgpr(<4 x s32>) = G_BUILD_VECTOR [[V_READFIRSTLANE_B32_]](s32), [[V_READFIRSTLANE_B32_1]](s32), [[V_READFIRSTLANE_B32_2]](s32), [[V_READFIRSTLANE_B32_3]](s32)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4064, 0, 0 :: (dereferenceable invariant load 16 from undef + 4064, align 4)
-  ; GREEDY:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4080, 0, 0 :: (dereferenceable invariant load 16 from undef + 4064, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4064, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 4064, align 4)
+  ; GREEDY:   [[AMDGPU_BUFFER_LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_AMDGPU_BUFFER_LOAD [[BUILD_VECTOR1]](<4 x s32>), [[C3]](s32), [[C1]], [[C2]], 4080, 0, 0 :: (dereferenceable invariant load 16 from unknown-address + 4064, align 4)
   ; GREEDY:   [[S_AND_SAVEEXEC_B64_:%[0-9]+]]:sreg_64_xexec = S_AND_SAVEEXEC_B64 killed [[S_AND_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
   ; GREEDY:   $exec = S_XOR_B64_term $exec, [[S_AND_SAVEEXEC_B64_]], implicit-def $scc
   ; GREEDY:   S_CBRANCH_EXECNZ %bb.2, implicit $exec
   ; GREEDY: bb.3:
   ; GREEDY:   $exec = S_MOV_B64_term [[S_MOV_B64_term]]
   ; GREEDY: bb.4:
   ; GREEDY:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<8 x s32>) = G_CONCAT_VECTORS [[AMDGPU_BUFFER_LOAD]](<4 x s32>), [[AMDGPU_BUFFER_LOAD1]](<4 x s32>)
   ; GREEDY:   [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32), [[UV4:%[0-9]+]]:vgpr(s32), [[UV5:%[0-9]+]]:vgpr(s32), [[UV6:%[0-9]+]]:vgpr(s32), [[UV7:%[0-9]+]]:vgpr(s32), [[UV8:%[0-9]+]]:vgpr(s32), [[UV9:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[CONCAT_VECTORS]](<8 x s32>)

llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-load.mir

bb.0:
     liveins: $vgpr0_vgpr1
 
     ; CHECK-LABEL: name: load_constant_v8i32_vgpr_crash
     ; CHECK: liveins: $vgpr0_vgpr1
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(p4) = COPY $vgpr0_vgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_LOAD [[COPY]](p4) :: (load 16, align 32, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:vgpr(s64) = G_CONSTANT i64 16
     ; CHECK: [[PTR_ADD:%[0-9]+]]:vgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 16 from undef + 16, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 16 from unknown-address + 16, addrspace 4)
     ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
     %0:_(p4) = COPY $vgpr0_vgpr1
     %1:_(<8 x s32>) = G_LOAD %0 :: (load 32, addrspace 4)
 ...
 
 ---
 name: load_constant_v8i32_vgpr_crash_loop_phi
 legalized: true
 tracksRegLiveness: true
 
 body: |
   ; CHECK-LABEL: name: load_constant_v8i32_vgpr_crash_loop_phi
   ; CHECK: bb.0:
   ; CHECK:   successors: %bb.1(0x80000000)
   ; CHECK:   liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
   ; CHECK:   [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
   ; CHECK:   [[COPY1:%[0-9]+]]:sgpr(p4) = COPY $sgpr2_sgpr3
   ; CHECK:   G_BR %bb.1
   ; CHECK: bb.1:
   ; CHECK:   successors: %bb.1(0x80000000)
   ; CHECK:   [[PHI:%[0-9]+]]:vgpr(p4) = G_PHI [[COPY]](p4), %bb.0, %3(p4), %bb.1
   ; CHECK:   [[LOAD:%[0-9]+]]:vgpr(<4 x s32>) = G_LOAD [[PHI]](p4) :: (load 16, align 32, addrspace 4)
   ; CHECK:   [[C:%[0-9]+]]:vgpr(s64) = G_CONSTANT i64 16
   ; CHECK:   [[PTR_ADD:%[0-9]+]]:vgpr(p4) = G_PTR_ADD [[PHI]], [[C]](s64)
-  ; CHECK:   [[LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 16 from undef + 16, addrspace 4)
+  ; CHECK:   [[LOAD1:%[0-9]+]]:vgpr(<4 x s32>) = G_LOAD [[PTR_ADD]](p4) :: (load 16 from unknown-address + 16, addrspace 4)
   ; CHECK:   [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<8 x s32>) = G_CONCAT_VECTORS [[LOAD]](<4 x s32>), [[LOAD1]](<4 x s32>)
   ; CHECK:   [[COPY2:%[0-9]+]]:sgpr(p4) = COPY [[COPY1]](p4)
   ; CHECK:   G_BR %bb.1
   bb.0:
     liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
 
 
     %0:_(p4) = COPY $sgpr0_sgpr1

 body: |
   bb.0:
     liveins: $sgpr0_sgpr1
     ; CHECK-LABEL: name: load_constant_v3i32_align4
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:sgpr(<2 x s32>) = G_LOAD [[COPY]](p4) :: (invariant load 8, align 4, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 8
     ; CHECK: [[PTR_ADD:%[0-9]+]]:sgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from undef + 8, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from unknown-address + 8, addrspace 4)
     ; CHECK: [[DEF:%[0-9]+]]:sgpr(<3 x s32>) = G_IMPLICIT_DEF
     ; CHECK: [[INSERT:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
     ; CHECK: [[INSERT1:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; CHECK: S_ENDPGM 0, implicit [[INSERT1]](<3 x s32>)
     %0:_(p4) = COPY $sgpr0_sgpr1
     %1:_(<3 x s32>) = G_LOAD %0 :: (invariant load 12, addrspace 4, align 4)
     S_ENDPGM 0, implicit %1
 ...
 
 ---
 name: load_constant_v3i32_align8
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1
     ; CHECK-LABEL: name: load_constant_v3i32_align8
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:sgpr(<2 x s32>) = G_LOAD [[COPY]](p4) :: (invariant load 8, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 8
     ; CHECK: [[PTR_ADD:%[0-9]+]]:sgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from undef + 8, align 8, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from unknown-address + 8, align 8, addrspace 4)
     ; CHECK: [[DEF:%[0-9]+]]:sgpr(<3 x s32>) = G_IMPLICIT_DEF
     ; CHECK: [[INSERT:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
     ; CHECK: [[INSERT1:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; CHECK: S_ENDPGM 0, implicit [[INSERT1]](<3 x s32>)
     %0:_(p4) = COPY $sgpr0_sgpr1
     %1:_(<3 x s32>) = G_LOAD %0 :: (invariant load 12, addrspace 4, align 8)
     S_ENDPGM 0, implicit %1
 ...

 body: |
   bb.0:
     liveins: $sgpr0_sgpr1
     ; CHECK-LABEL: name: load_constant_v6i16_align4
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:sgpr(<4 x s16>) = G_LOAD [[COPY]](p4) :: (invariant load 8, align 4, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 8
     ; CHECK: [[PTR_ADD:%[0-9]+]]:sgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(<2 x s16>) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from undef + 8, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(<2 x s16>) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from unknown-address + 8, addrspace 4)
     ; CHECK: [[DEF:%[0-9]+]]:sgpr(<6 x s16>) = G_IMPLICIT_DEF
     ; CHECK: [[INSERT:%[0-9]+]]:sgpr(<6 x s16>) = G_INSERT [[DEF]], [[LOAD]](<4 x s16>), 0
     ; CHECK: [[INSERT1:%[0-9]+]]:sgpr(<6 x s16>) = G_INSERT [[INSERT]], [[LOAD1]](<2 x s16>), 64
     ; CHECK: S_ENDPGM 0, implicit [[INSERT1]](<6 x s16>)
     %0:_(p4) = COPY $sgpr0_sgpr1
     %1:_(<6 x s16>) = G_LOAD %0 :: (invariant load 12, addrspace 4, align 4)
     S_ENDPGM 0, implicit %1
 ...
 
 ---
 name: load_constant_v6i16_align8
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1
     ; CHECK-LABEL: name: load_constant_v6i16_align8
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:sgpr(<4 x s16>) = G_LOAD [[COPY]](p4) :: (invariant load 8, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 8
     ; CHECK: [[PTR_ADD:%[0-9]+]]:sgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(<2 x s16>) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from undef + 8, align 8, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(<2 x s16>) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from unknown-address + 8, align 8, addrspace 4)
     ; CHECK: [[DEF:%[0-9]+]]:sgpr(<6 x s16>) = G_IMPLICIT_DEF
     ; CHECK: [[INSERT:%[0-9]+]]:sgpr(<6 x s16>) = G_INSERT [[DEF]], [[LOAD]](<4 x s16>), 0
     ; CHECK: [[INSERT1:%[0-9]+]]:sgpr(<6 x s16>) = G_INSERT [[INSERT]], [[LOAD1]](<2 x s16>), 64
     ; CHECK: S_ENDPGM 0, implicit [[INSERT1]](<6 x s16>)
     %0:_(p4) = COPY $sgpr0_sgpr1
     %1:_(<6 x s16>) = G_LOAD %0 :: (invariant load 12, addrspace 4, align 8)
     S_ENDPGM 0, implicit %1
 ...

 body: |
   bb.0:
     liveins: $sgpr0_sgpr1
     ; CHECK-LABEL: name: load_constant_i96_align4
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:sgpr(s64) = G_LOAD [[COPY]](p4) :: (invariant load 8, align 4, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 8
     ; CHECK: [[PTR_ADD:%[0-9]+]]:sgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from undef + 8, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from unknown-address + 8, addrspace 4)
     ; CHECK: [[DEF:%[0-9]+]]:sgpr(s96) = G_IMPLICIT_DEF
     ; CHECK: [[INSERT:%[0-9]+]]:sgpr(s96) = G_INSERT [[DEF]], [[LOAD]](s64), 0
     ; CHECK: [[INSERT1:%[0-9]+]]:sgpr(s96) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; CHECK: S_ENDPGM 0, implicit [[INSERT1]](s96)
     %0:_(p4) = COPY $sgpr0_sgpr1
     %1:_(s96) = G_LOAD %0 :: (invariant load 12, addrspace 4, align 4)
     S_ENDPGM 0, implicit %1
 ...
 
 ---
 name: load_constant_i96_align8
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1
     ; CHECK-LABEL: name: load_constant_i96_align8
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
     ; CHECK: [[LOAD:%[0-9]+]]:sgpr(s64) = G_LOAD [[COPY]](p4) :: (invariant load 8, addrspace 4)
     ; CHECK: [[C:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 8
     ; CHECK: [[PTR_ADD:%[0-9]+]]:sgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from undef + 8, align 8, addrspace 4)
+    ; CHECK: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (invariant load 4 from unknown-address + 8, align 8, addrspace 4)
     ; CHECK: [[DEF:%[0-9]+]]:sgpr(s96) = G_IMPLICIT_DEF
     ; CHECK: [[INSERT:%[0-9]+]]:sgpr(s96) = G_INSERT [[DEF]], [[LOAD]](s64), 0
     ; CHECK: [[INSERT1:%[0-9]+]]:sgpr(s96) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; CHECK: S_ENDPGM 0, implicit [[INSERT1]](s96)
     %0:_(p4) = COPY $sgpr0_sgpr1
     %1:_(s96) = G_LOAD %0 :: (invariant load 12, addrspace 4, align 8)
     S_ENDPGM 0, implicit %1
 ...

llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-split-scalar-load-metadata.mir

body: |
   bb.0:
     liveins: $sgpr0_sgpr1
 
     ; SI-LABEL: name: split_smrd_load_range
     ; SI: [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
     ; SI: [[LOAD:%[0-9]+]]:sgpr(<2 x s32>) = G_LOAD [[COPY]](p4) :: (load 8, addrspace 4)
     ; SI: [[C:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:sgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 4 from undef + 8, align 8, addrspace 4)
+    ; SI: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 4 from unknown-address + 8, align 8, addrspace 4)
     ; SI: [[DEF:%[0-9]+]]:sgpr(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; SI: $sgpr0_sgpr1_sgpr2 = COPY [[INSERT1]](<3 x s32>)
     %0:_(p4) = COPY $sgpr0_sgpr1
     %1:_(<3 x s32>) = G_LOAD %0 :: (load 12, align 8, addrspace 4, !range !0)
     $sgpr0_sgpr1_sgpr2 = COPY %1
 
 ...
 
 ---
 name: split_smrd_load_tbaa
 legalized: true
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1
 
     ; SI-LABEL: name: split_smrd_load_tbaa
     ; SI: [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
     ; SI: [[LOAD:%[0-9]+]]:sgpr(<2 x s32>) = G_LOAD [[COPY]](p4) :: (load 8, !tbaa !2, addrspace 4)
     ; SI: [[C:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 8
     ; SI: [[PTR_ADD:%[0-9]+]]:sgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
-    ; SI: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 4 from undef + 8, align 8, !tbaa !2, addrspace 4)
+    ; SI: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (load 4 from unknown-address + 8, align 8, !tbaa !2, addrspace 4)
     ; SI: [[DEF:%[0-9]+]]:sgpr(<3 x s32>) = G_IMPLICIT_DEF
     ; SI: [[INSERT:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
     ; SI: [[INSERT1:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
     ; SI: $sgpr0_sgpr1_sgpr2 = COPY [[INSERT1]](<3 x s32>)
     %0:_(p4) = COPY $sgpr0_sgpr1
     %1:_(<3 x s32>) = G_LOAD %0 :: (load 12, align 8, addrspace 4, !tbaa !1)
     $sgpr0_sgpr1_sgpr2 = COPY %1
 
 ...

llvm/test/CodeGen/ARM/GlobalISel/arm-legalize-load-store.mir

bb.0:
 
     ; Can't use the VFP support for unaligned operations, we need to use 32-bits
     ; operations instead.
     ; CHECK: [[ADDR1:%[0-9]+]]:_(p0) = COPY $r0
     ; CHECK-NEXT: [[V1:%[0-9]+]]:_(s32) = G_LOAD [[ADDR1]](p0) :: (load 4, align 1)
     ; CHECK-NEXT: [[OFF:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CHECK-NEXT: [[ADDR2:%[0-9]+]]:_(p0) = G_PTR_ADD [[ADDR1]], [[OFF]]
     ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY [[ADDR2]]
-    ; CHECK-NEXT: [[V2:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 4 from undef + 4, align 1)
+    ; CHECK-NEXT: [[V2:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 4 from unknown-address + 4, align 1)
     ; CHECK-NEXT: G_STORE [[V1]](s32), [[ADDR1]](p0) :: (store 4, align 1)
-    ; CHECK-NEXT: G_STORE [[V2]](s32), [[ADDR2]](p0) :: (store 4 into undef + 4, align 1)
+    ; CHECK-NEXT: G_STORE [[V2]](s32), [[ADDR2]](p0) :: (store 4 into unknown-address + 4, align 1)
     %0(p0) = COPY $r0
     %1(s64) = G_LOAD %0(p0) :: (load 8, align 1)
     G_STORE %1(s64), %0(p0) :: (store 8, align 1)
 
     ; For word-aligned we can use VFP operations.
     ; CHECK: [[V:%[0-9]+]]:_(s64) = G_LOAD %0(p0) :: (load 8, align 4)
     ; CHECK: G_STORE [[V]](s64), %0(p0) :: (store 8, align 4)
     %2(s64) = G_LOAD %0(p0) :: (load 8, align 4)
bb.0:
     liveins: $r0
 
     ; When we don't have VFP support, we need to use 32-bit operations.
     ; CHECK: [[ADDR1:%[0-9]+]]:_(p0) = COPY $r0
     ; CHECK-NEXT: [[V1:%[0-9]+]]:_(s32) = G_LOAD [[ADDR1]](p0) :: (load 4, align 1)
     ; CHECK-NEXT: [[OFF:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; CHECK-NEXT: [[ADDR2:%[0-9]+]]:_(p0) = G_PTR_ADD [[ADDR1]], [[OFF]]
     ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY [[ADDR2]]
-    ; CHECK-NEXT: [[V2:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 4 from undef + 4, align 1)
+    ; CHECK-NEXT: [[V2:%[0-9]+]]:_(s32) = G_LOAD [[COPY]](p0) :: (load 4 from unknown-address + 4, align 1)
     ; CHECK-NEXT: G_STORE [[V1]](s32), [[ADDR1]](p0) :: (store 4, align 1)
     ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(p0) = COPY [[ADDR2]]
-    ; CHECK-NEXT: G_STORE [[V2]](s32), [[COPY2]](p0) :: (store 4 into undef + 4, align 1)
+    ; CHECK-NEXT: G_STORE [[V2]](s32), [[COPY2]](p0) :: (store 4 into unknown-address + 4, align 1)
     %0(p0) = COPY $r0
     %1(s64) = G_LOAD %0(p0) :: (load 8, align 1)
     G_STORE %1(s64), %0(p0) :: (store 8, align 1)
 
     ; CHECK: [[V1:%[0-9]+]]:_(s32) = G_LOAD [[ADDR1]](p0) :: (load 4)
     ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(p0) = COPY [[ADDR2]]
-    ; CHECK-NEXT: [[V2:%[0-9]+]]:_(s32) = G_LOAD [[COPY3]](p0) :: (load 4 from undef + 4)
+    ; CHECK-NEXT: [[V2:%[0-9]+]]:_(s32) = G_LOAD [[COPY3]](p0) :: (load 4 from unknown-address + 4)
     ; CHECK-NEXT: G_STORE [[V1]](s32), [[ADDR1]](p0) :: (store 4)
-    ; CHECK-NEXT: G_STORE [[V2]](s32), [[ADDR2]](p0) :: (store 4 into undef + 4)
+    ; CHECK-NEXT: G_STORE [[V2]](s32), [[ADDR2]](p0) :: (store 4 into unknown-address + 4)
     %2(s64) = G_LOAD %0(p0) :: (load 8, align 4)
     G_STORE %2(s64), %0(p0) :: (store 8, align 4)
 
     BX_RET 14, $noreg
 ...
 ---
 name:            test_gep_s32
 # CHECK-LABEL: name: test_gep_s32

llvm/test/CodeGen/MIR/AArch64/base-memoperands.mir

body: |
   bb.0:
     liveins: $x0, $w0
 
     ; CHECK-LABEL: name: memoperands
     ; CHECK: [[COPY:%[0-9]+]]:_(p1) = COPY $x0
     ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY $w0
     ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[COPY1]]
     ; CHECK: G_STORE [[TRUNC]](s8), [[COPY]](p1) :: (store 1, addrspace 1)
-    ; CHECK: G_STORE [[TRUNC]](s8), [[COPY]](p1) :: (store 1 into undef + 1, addrspace 1)
+    ; CHECK: G_STORE [[TRUNC]](s8), [[COPY]](p1) :: (store 1 into unknown-address + 1, addrspace 1)
     %0:_(p1) = COPY $x0
     %1:_(s32) = COPY $w0
     %2:_(s8) = G_TRUNC %1
     G_STORE %2(s8), %0(p1) :: (store 1, addrspace 1)
-    G_STORE %2(s8), %0(p1) :: (store 1 into undef + 1, addrspace 1)
+    G_STORE %2(s8), %0(p1) :: (store 1 into unknown-address + 1, addrspace 1)
 ...

llvm/test/CodeGen/PowerPC/aix-cc-abi.ll

 ; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.5, $r2 :: (load 4 from got)
 ; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.6, $r2 :: (load 4 from got)
 ; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.7, $r2 :: (load 4 from got)
 ; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.8, $r2 :: (load 4 from got)
 ; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.9, $r2 :: (load 4 from got)
 ; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.10, $r2 :: (load 4 from got)
 ; 32BIT-DAG:   renamable $r[[SCRATCHREG:[0-9]+]] = LWZtoc %const.11, $r2 :: (load 4 from got)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 56, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 60, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 60, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 64, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 68, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 68, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 72, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 76, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 76, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 80, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW renamable $r[[SCRATCHREG:[0-9]+]], 84, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW renamable $r[[SCRATCHREG:[0-9]+]], 84, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 88, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 92, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 92, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 96, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 100, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 100, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 104, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 108, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 108, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 112, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 116, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 116, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 120, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 124, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 124, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 128, $r1 :: (store 4)
 ; 32BIT-DAG:   renamable $r[[REGF1:[0-9]+]] = LWZtoc @f14, $r2 :: (load 4 from got)
 ; 32BIT-DAG:   renamable $r3 = LWZ 0, killed renamable $r[[REGF1]] :: (load 4 from @f14)
 ; 32BIT-DAG:   STFD killed renamable $f0, 132, $r1 :: (store 8)
 ; 32BIT-DAG:   renamable $r[[REGD:[0-9]+]] = LWZtoc @d15, $r2 :: (load 4 from got)
 ; 32BIT-DAG:   renamable $f0 = LFD 0, killed renamable $r[[REGD]] :: (dereferenceable load 8 from @d15)
 ; 32BIT-DAG:   STW killed renamable $r[[SCRATCHREG:[0-9]+]], 140, $r1 :: (store 4)
 ; 32BIT-DAG:   renamable $r[[REGF2:[0-9]+]] = LWZtoc @f16, $r2 :: (load 4 from got)

 ; 32BIT-DAG:   $r4 = LI 2
 ; 32BIT-DAG:   $r5 = LI 3
 ; 32BIT-DAG:   $r6 = LI 4
 ; 32BIT-DAG:   $r7 = LI 5
 ; 32BIT-DAG:   $r8 = LI 6
 ; 32BIT-DAG:   $r9 = LI 7
 ; 32BIT-DAG:   $r10 = LI 8
 ; 32BIT-DAG:   STW killed renamable $r[[REG1:[0-9]+]], 56, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW renamable $r[[REG2:[0-9]+]], 60, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW renamable $r[[REG2:[0-9]+]], 60, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG3:[0-9]+]], 64, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW renamable $r[[REG4:[0-9]+]], 68, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW renamable $r[[REG4:[0-9]+]], 68, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG5:[0-9]+]], 72, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW renamable $r[[REG6:[0-9]+]], 76, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW renamable $r[[REG6:[0-9]+]], 76, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG7:[0-9]+]], 80, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW renamable $r[[REG8:[0-9]+]], 84, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW renamable $r[[REG8:[0-9]+]], 84, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG9:[0-9]+]], 88, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW renamable $r[[REG10:[0-9]+]], 92, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW renamable $r[[REG10:[0-9]+]], 92, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG11:[0-9]+]], 96, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW renamable $r[[REG12:[0-9]+]], 100, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW renamable $r[[REG12:[0-9]+]], 100, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG13:[0-9]+]], 104, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW renamable $r[[REG14:[0-9]+]], 108, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW renamable $r[[REG14:[0-9]+]], 108, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG15:[0-9]+]], 112, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW renamable $r[[REG16:[0-9]+]], 116, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW renamable $r[[REG16:[0-9]+]], 116, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG17:[0-9]+]], 120, $r1 :: (store 4, align 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG18:[0-9]+]], 128, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW renamable $r[[REG19:[0-9]+]], 124, $r1 :: (store 4 into undef + 4, basealign 8)
-; 32BIT-DAG:   STW killed renamable $r[[REG20:[0-9]+]], 132, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW renamable $r[[REG19:[0-9]+]], 124, $r1 :: (store 4 into unknown-address + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[REG20:[0-9]+]], 132, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG21:[0-9]+]], 136, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[REG22:[0-9]+]], 140, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[REG22:[0-9]+]], 140, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG23:[0-9]+]], 144, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[REG24:[0-9]+]], 148, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[REG24:[0-9]+]], 148, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG25:[0-9]+]], 152, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[REG26:[0-9]+]], 156, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[REG26:[0-9]+]], 156, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-DAG:   STW killed renamable $r[[REG27:[0-9]+]], 160, $r1 :: (store 4, align 8)
-; 32BIT-DAG:   STW killed renamable $r[[REG28:[0-9]+]], 164, $r1 :: (store 4 into undef + 4, basealign 8)
+; 32BIT-DAG:   STW killed renamable $r[[REG28:[0-9]+]], 164, $r1 :: (store 4 into unknown-address + 4, basealign 8)
 ; 32BIT-NEXT:  BL_NOP <mcsymbol .mix_floats>, csr_aix32, implicit-def dead $lr, implicit $rm, implicit $r3, implicit $r4, implicit $r5, implicit $r6, implicit $r7, implicit $r8, implicit $r9, implicit $r10, implicit $f1, implicit $f2, implicit $f3, implicit $f4, implicit $f5, implicit $f6, implicit $f7, implicit $f8, implicit $f9, implicit $f10, implicit $f11, implicit $f12, implicit $f13, implicit $r2, implicit-def $r1, implicit-def dead $r3
 ; 32BIT-NEXT:   ADJCALLSTACKUP 168, 0, implicit-def dead $r1, implicit $r1
 
 
 ; 64BIT-DAG:   ADJCALLSTACKDOWN 224, 0, implicit-def dead $r1, implicit $r1
 ; 64BIT-DAG:   $x3 = LI8 1
 ; 64BIT-DAG:   $x4 = LI8 2
 ; 64BIT-DAG:   $x5 = LI8 3

llvm/test/CodeGen/PowerPC/aix-vec-arg-spills-mir.ll

 ; MIR32:   renamable $r3 = LWZtoc @__const.caller.t, $r2 :: (load 4 from got)
 ; MIR32:   renamable $r4 = LI 31
 ; MIR32:   renamable $v2 = LVX renamable $r3, killed renamable $r4
 ; MIR32:   renamable $r4 = LI 16
 ; MIR32:   renamable $v3 = LVX renamable $r3, killed renamable $r4
 ; MIR32:   renamable $v4 = LVSL $zero, renamable $r3
 ; MIR32:   renamable $v2 = VPERM renamable $v3, killed renamable $v2, renamable $v4
 ; MIR32:   renamable $r4 = LI 172
-; MIR32:   STXVW4X killed renamable $v2, $r1, killed renamable $r4 :: (store 16 into undef + 16, align 4)
+; MIR32:   STXVW4X killed renamable $v2, $r1, killed renamable $r4 :: (store 16 into unknown-address + 16, align 4)
 ; MIR32:   renamable $v2 = LVX $zero, killed renamable $r3
 ; MIR32:   renamable $v2 = VPERM killed renamable $v2, killed renamable $v3, killed renamable $v4
 ; MIR32:   renamable $r3 = LI 156
 ; MIR32:   STXVW4X killed renamable $v2, $r1, killed renamable $r3 :: (store 16, align 4)
 ; MIR32:   ADJCALLSTACKDOWN 188, 0, implicit-def dead $r1, implicit $r1
 ; MIR32:   renamable $vsl0 = XXLXORz
 ; MIR32:   $f1 = XXLXORdpz
 ; MIR32:   $f2 = XXLXORdpz

 ; MIR32:   BL_NOP <mcsymbol .callee[PR]>, csr_aix32_altivec, implicit-def dead $lr, implicit $rm, implicit $r3, implicit $r4, implicit $f1, implicit $f2, implicit $v2, implicit $v3, implicit $v4, implicit $v5, implicit killed $v6, implicit killed $v7, implicit killed $v8, implicit killed $v9, implicit killed $v10, implicit killed $v11, implicit killed $v12, implicit killed $v13, implicit $f3, implicit $f4, implicit $f5, implicit $f6, implicit $f7, implicit $f8, implicit $f9, implicit $f10, implicit $f11, implicit $f12, implicit $f13, implicit $r2, implicit-def $r1, implicit-def $f1
 ; MIR32:   ADJCALLSTACKUP 188, 0, implicit-def dead $r1, implicit $r1
 ; MIR32:   BLR implicit $lr, implicit $rm, implicit $f1
 
 ; MIR64-LABEL: name: caller
 ; MIR64: bb.0.entry:
 ; MIR64:   renamable $x3 = LDtoc @__const.caller.t, $x2 :: (load 8 from got)
 ; MIR64:   renamable $x4 = LI8 16
-; MIR64:   renamable $vsl0 = LXVD2X renamable $x3, killed renamable $x4 :: (load 16 from undef + 16, align 8)
+; MIR64:   renamable $vsl0 = LXVD2X renamable $x3, killed renamable $x4 :: (load 16 from unknown-address + 16, align 8)
 ; MIR64:   renamable $x4 = LI8 208
-; MIR64:   STXVD2X killed renamable $vsl0, $x1, killed renamable $x4 :: (store 16 into undef + 16, align 4)
+; MIR64:   STXVD2X killed renamable $vsl0, $x1, killed renamable $x4 :: (store 16 into unknown-address + 16, align 4)
 ; MIR64:   renamable $vsl0 = LXVD2X $zero8, killed renamable $x3 :: (load 16, align 8)
 ; MIR64:   renamable $x3 = LI8 192
 ; MIR64:   STXVD2X killed renamable $vsl0, $x1, killed renamable $x3 :: (store 16, align 4)
 ; MIR64:   ADJCALLSTACKDOWN 224, 0, implicit-def dead $r1, implicit $r1
 ; MIR64:   $f1 = XXLXORdpz
 ; MIR64:   $f2 = XXLXORdpz
 ; MIR64:   $v2 = XXLXORz
 ; MIR64:   $v3 = XXLXORz

llvm/test/CodeGen/PowerPC/aix-vector-vararg-fixed-caller.ll

define void @caller() {
   ; 32BIT: bb.0.entry:
   ; 32BIT:   ADJCALLSTACKDOWN 88, 0, implicit-def dead $r1, implicit $r1
   ; 32BIT:   [[LWZtoc:%[0-9]+]]:gprc = LWZtoc %const.0, $r2 :: (load 4 from got)
   ; 32BIT:   [[LXVW4X:%[0-9]+]]:vsrc = LXVW4X $zero, killed [[LWZtoc]] :: (load 16 from constant-pool)
   ; 32BIT:   [[LI:%[0-9]+]]:gprc = LI 64
   ; 32BIT:   STXVW4X killed [[LXVW4X]], $r1, killed [[LI]] :: (store 16)
   ; 32BIT:   [[LIS:%[0-9]+]]:gprc = LIS 38314
   ; 32BIT:   [[ORI:%[0-9]+]]:gprc = ORI killed [[LIS]], 63376
-  ; 32BIT:   STW killed [[ORI]], 84, $r1 :: (store 4 into undef + 4, basealign 8)
+  ; 32BIT:   STW killed [[ORI]], 84, $r1 :: (store 4 into unknown-address + 4, basealign 8)
   ; 32BIT:   [[LIS1:%[0-9]+]]:gprc = LIS 16389
   ; 32BIT:   [[ORI1:%[0-9]+]]:gprc = ORI killed [[LIS1]], 48905
   ; 32BIT:   STW killed [[ORI1]], 80, $r1 :: (store 4, align 8)
   ; 32BIT:   [[LWZtoc1:%[0-9]+]]:gprc = LWZtoc %const.1, $r2 :: (load 4 from got)
   ; 32BIT:   [[LXVW4X1:%[0-9]+]]:vsrc = LXVW4X $zero, killed [[LWZtoc1]] :: (load 16 from constant-pool)
   ; 32BIT:   [[LWZtoc2:%[0-9]+]]:gprc = LWZtoc %const.2, $r2 :: (load 4 from got)
   ; 32BIT:   [[XFLOADf64_:%[0-9]+]]:vsfrc = XFLOADf64 $zero, killed [[LWZtoc2]] :: (load 8 from constant-pool)
   ; 32BIT:   [[LIS2:%[0-9]+]]:gprc = LIS 16393

llvm/test/CodeGen/X86/GlobalISel/legalize-memop-scalar-32.mir

 body:             |
   bb.0:
 
     ; X32-LABEL: name: test_memop_s64
     ; X32: [[DEF:%[0-9]+]]:_(p0) = IMPLICIT_DEF
     ; X32: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[DEF]](p0) :: (load 4, align 8)
     ; X32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; X32: [[GEP:%[0-9]+]]:_(p0) = G_PTR_ADD [[DEF]], [[C]](s32)
-    ; X32: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[GEP]](p0) :: (load 4 from undef + 4)
+    ; X32: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[GEP]](p0) :: (load 4 from unknown-address + 4)
     ; X32: G_STORE [[LOAD]](s32), [[DEF]](p0) :: (store 4, align 8)
     ; X32: [[GEP1:%[0-9]+]]:_(p0) = G_PTR_ADD [[DEF]], [[C]](s32)
-    ; X32: G_STORE [[LOAD1]](s32), [[GEP1]](p0) :: (store 4 into undef + 4)
+    ; X32: G_STORE [[LOAD1]](s32), [[GEP1]](p0) :: (store 4 into unknown-address + 4)
     %0:_(p0) = IMPLICIT_DEF
     %1:_(s64) = G_LOAD %0 :: (load 8)
 
     G_STORE %1, %0 :: (store 8)
 
 ...

llvm/test/CodeGen/X86/GlobalISel/legalize-undef.mir

bb.0.entry:
     ; X32: G_STORE [[DEF1]](s8), [[DEF]](p0) :: (store 1)
     ; X32: [[DEF2:%[0-9]+]]:_(s16) = G_IMPLICIT_DEF
     ; X32: G_STORE [[DEF2]](s16), [[DEF]](p0) :: (store 2)
     ; X32: [[DEF3:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF
     ; X32: G_STORE [[DEF3]](s32), [[DEF]](p0) :: (store 4)
     ; X32: G_STORE [[DEF3]](s32), [[DEF]](p0) :: (store 4, align 8)
     ; X32: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 4
     ; X32: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[DEF]], [[C1]](s32)
-    ; X32: G_STORE [[DEF3]](s32), [[PTR_ADD]](p0) :: (store 4 into undef + 4)
+    ; X32: G_STORE [[DEF3]](s32), [[PTR_ADD]](p0) :: (store 4 into unknown-address + 4)
     %5:_(p0) = G_IMPLICIT_DEF
     %0:_(s1) = G_IMPLICIT_DEF
     G_STORE %0, %5 ::(store 1)
     %1:_(s8) = G_IMPLICIT_DEF
     G_STORE %1, %5 ::(store 1)
     %2:_(s16) = G_IMPLICIT_DEF
     G_STORE %2, %5 ::(store 2)
     %3:_(s32) = G_IMPLICIT_DEF
     G_STORE %3, %5 ::(store 4)
     %4:_(s64) = G_IMPLICIT_DEF
     G_STORE %4, %5 ::(store 8)
 ...

llvm/unittests/CodeGen/GlobalISel/LegalizerTest.cpp

TEST_F(AArch64GISelMITest, BasicLegalizerTest) {
   EXPECT_TRUE(isNullMIPtr(Result.FailedOn));
   EXPECT_TRUE(Result.Changed);
 
   StringRef CheckString = R"(
     CHECK:      %vptr:_(p0) = COPY $x4
     CHECK-NEXT: [[LOAD_0:%[0-9]+]]:_(s16) = G_LOAD %vptr:_(p0) :: (load 1)
     CHECK-NEXT: [[OFFSET_1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     CHECK-NEXT: [[VPTR_1:%[0-9]+]]:_(p0) = G_PTR_ADD %vptr:_, [[OFFSET_1]]:_(s64)
-    CHECK-NEXT: [[LOAD_1:%[0-9]+]]:_(s16) = G_LOAD [[VPTR_1]]:_(p0) :: (load 1 from undef + 1)
+    CHECK-NEXT: [[LOAD_1:%[0-9]+]]:_(s16) = G_LOAD [[VPTR_1]]:_(p0) :: (load 1 from unknown-address + 1)
     CHECK-NEXT: [[V0:%[0-9]+]]:_(s16) = COPY [[LOAD_0]]:_(s16)
     CHECK-NEXT: [[V1:%[0-9]+]]:_(s16) = COPY [[LOAD_1]]:_(s16)
     CHECK-NEXT: %v:_(<2 x s8>) = G_BUILD_VECTOR_TRUNC [[V0]]:_(s16), [[V1]]:_(s16)
     CHECK-NEXT: $h4 = COPY %v:_(<2 x s8>)
   )";
 
   EXPECT_TRUE(CheckMachineFunction(*MF, CheckString)) << *MF;
 }
TEST_F(AArch64GISelMITest, UnorderedArtifactCombiningManyCopiesTest) {
   EXPECT_TRUE(isNullMIPtr(Result.FailedOn));
   EXPECT_TRUE(Result.Changed);
 
   StringRef CheckString = R"(
     CHECK:      %vptr:_(p0) = COPY $x4
     CHECK-NEXT: [[LOAD_0:%[0-9]+]]:_(s16) = G_LOAD %vptr:_(p0) :: (load 1)
     CHECK-NEXT: [[OFFSET_1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1
     CHECK-NEXT: [[VPTR_1:%[0-9]+]]:_(p0) = G_PTR_ADD %vptr:_, [[OFFSET_1]]:_(s64)
-    CHECK-NEXT: [[LOAD_1:%[0-9]+]]:_(s16) = G_LOAD [[VPTR_1]]:_(p0) :: (load 1 from undef + 1)
+    CHECK-NEXT: [[LOAD_1:%[0-9]+]]:_(s16) = G_LOAD [[VPTR_1]]:_(p0) :: (load 1 from unknown-address + 1)
     CHECK-NEXT: [[FF_MASK:%[0-9]+]]:_(s32) = G_CONSTANT i32 255
     CHECK-NEXT: [[V0_EXT:%[0-9]+]]:_(s32) = G_ANYEXT [[LOAD_0]]:_(s16)
     CHECK-NEXT: %v0_zext:_(s32) = G_AND [[V0_EXT]]:_, [[FF_MASK]]:_
     CHECK-NEXT: [[V1_EXT:%[0-9]+]]:_(s32) = G_ANYEXT [[LOAD_1]]:_(s16)
     CHECK-NEXT: [[SHAMNT:%[0-9]+]]:_(s32) = G_CONSTANT i32 24
     CHECK-NEXT: [[V1_SHL:%[0-9]+]]:_(s32) = G_SHL [[V1_EXT]]:_, [[SHAMNT]]:_(s32)
     CHECK-NEXT: %v1_sext:_(s32) = G_ASHR [[V1_SHL]]:_, [[SHAMNT]]:_(s32)
     CHECK-NEXT: $w4 = COPY %v0_zext:_(s32)
     CHECK-NEXT: $w5 = COPY %v1_sext:_(s32)
   )";
 
   EXPECT_TRUE(CheckMachineFunction(*MF, CheckString)) << *MF;
 }
 
 } // namespace