RegBankSelect: Handle slightly more complex value mappings

[arsenm]

Summary

Try to use concat_vectors. Also remove unnecessary assert on
pointers. Fixes asserting for <4 x s16> operations and 64-bit pointers
for AMDGPU.

[qcolombet]

The generic part looks sensible to me.

[arsenm]

Generate check lines

[arsenm]

r354828

lib/CodeGen/GlobalISel/RegBankSelect.cpp

if (ValMapping.NumBreakDowns == 1) {
     LLVM_DEBUG(dbgs() << "Copy: " << printReg(Src) << " to: " << printReg(Dst)
                << '\n');
   } else {
     // TODO: Support with G_IMPLICIT_DEF + G_INSERT sequence or G_EXTRACT
     // sequence.
     assert(ValMapping.partsAllUniform() && "irregular breakdowns not supported");
 
     LLT RegTy = MRI->getType(MO.getReg());
-    assert(!RegTy.isPointer() && "not implemented");
-
-    // FIXME: We could handle split vectors with concat_vectors easily, but this
-    // would require an agreement on the type of registers with the
-    // target. Currently createVRegs just uses scalar types, and expects the
-    // target code to replace this type (which we won't know about here)
-    assert((RegTy.isScalar() ||
-            RegTy.getNumElements() == ValMapping.NumBreakDowns) &&
-           "only basic vector breakdowns currently supported");
-
     if (MO.isDef()) {
-      unsigned MergeOp = RegTy.isScalar() ?
-        TargetOpcode::G_MERGE_VALUES : TargetOpcode::G_BUILD_VECTOR;
+      unsigned MergeOp;
+      if (RegTy.isVector()) {
+        if (ValMapping.NumBreakDowns == RegTy.getNumElements())
+          MergeOp = TargetOpcode::G_BUILD_VECTOR;
+        else {
+          assert(
+              (ValMapping.BreakDown[0].Length * ValMapping.NumBreakDowns ==
+               RegTy.getSizeInBits()) &&
+              (ValMapping.BreakDown[0].Length % RegTy.getScalarSizeInBits() ==
+               0) &&
+              "don't understand this value breakdown");
+
+          MergeOp = TargetOpcode::G_CONCAT_VECTORS;
+        }
+      } else
+        MergeOp = TargetOpcode::G_MERGE_VALUES;
 
       auto MergeBuilder =
         MIRBuilder.buildInstrNoInsert(MergeOp)
         .addDef(MO.getReg());
 
       for (unsigned SrcReg : NewVRegs)
         MergeBuilder.addUse(SrcReg);
 

lib/Target/AMDGPU/AMDGPURegisterBankInfo.h

 #include "llvm/CodeGen/GlobalISel/RegisterBankInfo.h"
 
 #define GET_REGBANK_DECLARATIONS
 #include "AMDGPUGenRegisterBank.inc"
 #undef GET_REGBANK_DECLARATIONS
 
 namespace llvm {
 
+class LLT;
 class MachineIRBuilder;
 class SIRegisterInfo;
 class TargetRegisterInfo;
 
 /// This class provides the information for the target register banks.
 class AMDGPUGenRegisterBankInfo : public RegisterBankInfo {
 
 protected:
class AMDGPURegisterBankInfo : public AMDGPUGenRegisterBankInfo {
   unsigned getRegBankID(unsigned Reg, const MachineRegisterInfo &MRI,
                         const TargetRegisterInfo &TRI,
                         unsigned Default = AMDGPU::VGPRRegBankID) const;
 
   /// Split 64-bit value \p Reg into two 32-bit halves and populate them into \p
   /// Regs. This appropriately sets the regbank of the new registers.
   void split64BitValueForMapping(MachineIRBuilder &B,
                                  SmallVector<unsigned, 2> &Regs,
+                                 LLT HalfTy,
                                  unsigned Reg) const;
 
   bool isSALUMapping(const MachineInstr &MI) const;
   const InstructionMapping &getDefaultMappingSOP(const MachineInstr &MI) const;
   const InstructionMapping &getDefaultMappingVOP(const MachineInstr &MI) const;
   const InstructionMapping &getDefaultMappingAllVGPR(
     const MachineInstr &MI) const;
 public:

lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp

default:
     break;
   }
   return RegisterBankInfo::getInstrAlternativeMappings(MI);
 }
 
 void AMDGPURegisterBankInfo::split64BitValueForMapping(
   MachineIRBuilder &B,
   SmallVector<unsigned, 2> &Regs,
+  LLT HalfTy,
   unsigned Reg) const {
-  LLT S32 = LLT::scalar(32);
+  assert(HalfTy.getSizeInBits() == 32);
   MachineRegisterInfo *MRI = B.getMRI();
-  unsigned LoLHS = MRI->createGenericVirtualRegister(S32);
-  unsigned HiLHS = MRI->createGenericVirtualRegister(S32);
+  unsigned LoLHS = MRI->createGenericVirtualRegister(HalfTy);
+  unsigned HiLHS = MRI->createGenericVirtualRegister(HalfTy);
   const RegisterBank *Bank = getRegBank(Reg, *MRI, *TRI);
   MRI->setRegBank(LoLHS, *Bank);
   MRI->setRegBank(HiLHS, *Bank);
 
   Regs.push_back(LoLHS);
   Regs.push_back(HiLHS);
 
   B.buildInstr(AMDGPU::G_UNMERGE_VALUES)
     .addDef(LoLHS)
     .addDef(HiLHS)
     .addUse(Reg);
 }
 
+/// Replace the current type each register in \p Regs has with \p NewTy
+static void setRegsToType(MachineRegisterInfo &MRI, ArrayRef<unsigned> Regs,
+                          LLT NewTy) {
+  for (unsigned Reg : Regs) {
+    assert(MRI.getType(Reg).getSizeInBits() == NewTy.getSizeInBits());
+    MRI.setType(Reg, NewTy);
+  }
+}
+
+static LLT getHalfSizedType(LLT Ty) {
+  if (Ty.isVector()) {
+    assert(Ty.getNumElements() % 2 == 0);
+    return LLT::scalarOrVector(Ty.getNumElements() / 2, Ty.getElementType());
+  }
+
+  assert(Ty.getSizeInBits() % 2 == 0);
+  return LLT::scalar(Ty.getSizeInBits() / 2);
+}
+
 void AMDGPURegisterBankInfo::applyMappingImpl(
     const OperandsMapper &OpdMapper) const {
   MachineInstr &MI = OpdMapper.getMI();
   unsigned Opc = MI.getOpcode();
   MachineRegisterInfo &MRI = OpdMapper.getMRI();
   switch (Opc) {
   case AMDGPU::G_SELECT: {
     unsigned DstReg = MI.getOperand(0).getReg();
     LLT DstTy = MRI.getType(DstReg);
     if (DstTy.getSizeInBits() != 64)
       break;
 
+    LLT HalfTy = getHalfSizedType(DstTy);
+
     SmallVector<unsigned, 2> DefRegs(OpdMapper.getVRegs(0));
     SmallVector<unsigned, 1> Src0Regs(OpdMapper.getVRegs(1));
     SmallVector<unsigned, 2> Src1Regs(OpdMapper.getVRegs(2));
     SmallVector<unsigned, 2> Src2Regs(OpdMapper.getVRegs(3));
 
     // All inputs are SGPRs, nothing special to do.
     if (DefRegs.empty()) {
       assert(Src1Regs.empty() && Src2Regs.empty());
       break;
     }
 
     MachineIRBuilder B(MI);
     if (Src0Regs.empty())
       Src0Regs.push_back(MI.getOperand(1).getReg());
     else {
       assert(Src0Regs.size() == 1);
     }
 
     if (Src1Regs.empty())
-      split64BitValueForMapping(B, Src1Regs, MI.getOperand(2).getReg());
+      split64BitValueForMapping(B, Src1Regs, HalfTy, MI.getOperand(2).getReg());
+    else {
+      setRegsToType(MRI, Src1Regs, HalfTy);
+    }
 
     if (Src2Regs.empty())
-      split64BitValueForMapping(B, Src2Regs, MI.getOperand(3).getReg());
+      split64BitValueForMapping(B, Src2Regs, HalfTy, MI.getOperand(3).getReg());
+    else
+      setRegsToType(MRI, Src2Regs, HalfTy);
+
+    setRegsToType(MRI, DefRegs, HalfTy);
 
     B.buildSelect(DefRegs[0], Src0Regs[0], Src1Regs[0], Src2Regs[0]);
     B.buildSelect(DefRegs[1], Src0Regs[0], Src1Regs[1], Src2Regs[1]);
 
     MRI.setRegBank(DstReg, getRegBank(AMDGPU::VGPRRegBankID));
     MI.eraseFromParent();
     return;
   }
   case AMDGPU::G_AND:
   case AMDGPU::G_OR:
   case AMDGPU::G_XOR: {
     // 64-bit and is only available on the SALU, so split into 2 32-bit ops if
     // there is a VGPR input.
     unsigned DstReg = MI.getOperand(0).getReg();
-    if (MRI.getType(DstReg).getSizeInBits() != 64)
+    LLT DstTy = MRI.getType(DstReg);
+    if (DstTy.getSizeInBits() != 64)
       break;
 
+    LLT HalfTy = getHalfSizedType(DstTy);
     SmallVector<unsigned, 2> DefRegs(OpdMapper.getVRegs(0));
     SmallVector<unsigned, 2> Src0Regs(OpdMapper.getVRegs(1));
     SmallVector<unsigned, 2> Src1Regs(OpdMapper.getVRegs(2));
 
     // All inputs are SGPRs, nothing special to do.
     if (DefRegs.empty()) {
       assert(Src0Regs.empty() && Src1Regs.empty());
       break;
     }
 
     assert(DefRegs.size() == 2);
     assert(Src0Regs.size() == Src1Regs.size() &&
            (Src0Regs.empty() || Src0Regs.size() == 2));
 
     // Depending on where the source registers came from, the generic code may
     // have decided to split the inputs already or not. If not, we still need to
     // extract the values.
     MachineIRBuilder B(MI);
 
     if (Src0Regs.empty())
-      split64BitValueForMapping(B, Src0Regs, MI.getOperand(1).getReg());
+      split64BitValueForMapping(B, Src0Regs, HalfTy, MI.getOperand(1).getReg());
+    else
+      setRegsToType(MRI, Src0Regs, HalfTy);
 
     if (Src1Regs.empty())
-      split64BitValueForMapping(B, Src1Regs, MI.getOperand(2).getReg());
+      split64BitValueForMapping(B, Src1Regs, HalfTy, MI.getOperand(2).getReg());
+    else
+      setRegsToType(MRI, Src1Regs, HalfTy);
+
+    setRegsToType(MRI, DefRegs, HalfTy);
 
     B.buildInstr(Opc)
       .addDef(DefRegs[0])
       .addUse(Src0Regs[0])
       .addUse(Src1Regs[0]);
 
     B.buildInstr(Opc)
       .addDef(DefRegs[1])

test/CodeGen/AMDGPU/GlobalISel/regbankselect-and.mir

 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
 # RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
 
 ---
-name: and_i32_ss
+name: and_s32_ss
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1
-    ; CHECK-LABEL: name: and_i32_ss
+    ; CHECK-LABEL: name: and_s32_ss
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
     ; CHECK: [[AND:%[0-9]+]]:sgpr(s32) = G_AND [[COPY]], [[COPY1]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $sgpr1
     %2:_(s32) = G_AND %0, %1
 ...
 
 ---
-name: and_i32_sv
+name: and_s32_sv
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $vgpr0
-    ; CHECK-LABEL: name: and_i32_sv
+    ; CHECK-LABEL: name: and_s32_sv
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[COPY]], [[COPY1]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $vgpr0
     %2:_(s32) = G_AND %0, %1
 ...
 
 ---
-name: and_i32_vs
+name: and_s32_vs
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $vgpr0
-    ; CHECK-LABEL: name: and_i32_vs
+    ; CHECK-LABEL: name: and_s32_vs
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[COPY]], [[COPY2]]
     %0:_(s32) = COPY $vgpr0
     %1:_(s32) = COPY $sgpr0
     %2:_(s32) = G_AND %0, %1
 ...
 
 ---
-name: and_i32_vv
+name: and_s32_vv
 legalized: true
 
 body: |
   bb.0:
     liveins: $vgpr0, $vgpr1
-    ; CHECK-LABEL: name: and_i32_vv
+    ; CHECK-LABEL: name: and_s32_vv
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[COPY]], [[COPY1]]
     %0:_(s32) = COPY $vgpr0
     %1:_(s32) = COPY $vgpr1
     %2:_(s32) = G_AND %0, %1
 ...
 
bb.0.entry:
     %1:_(s32) = COPY $vgpr0
     %2:_(s1) = G_TRUNC %0
     %3:_(s1) = G_ICMP intpred(ne), %0, %1
     %4:_(s1) = G_AND %2, %3
     S_NOP 0, implicit %4
 ...
 
 ---
-name: and_i64_ss
+name: and_s64_ss
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
-    ; CHECK-LABEL: name: and_i64_ss
+    ; CHECK-LABEL: name: and_s64_ss
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
     ; CHECK: [[AND:%[0-9]+]]:sgpr(s64) = G_AND [[COPY]], [[COPY1]]
     %0:_(s64) = COPY $sgpr0_sgpr1
     %1:_(s64) = COPY $sgpr2_sgpr3
     %2:_(s64) = G_AND %0, %1
 ...
 
 ---
-name: and_i64_sv
+name: and_s64_sv
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
-    ; CHECK-LABEL: name: and_i64_sv
+    ; CHECK-LABEL: name: and_s64_sv
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
     ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
     ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
     ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[UV]], [[UV2]]
     ; CHECK: [[AND1:%[0-9]+]]:vgpr(s32) = G_AND [[UV1]], [[UV3]]
     ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[AND]](s32), [[AND1]](s32)
     %0:_(s64) = COPY $sgpr0_sgpr1
     %1:_(s64) = COPY $vgpr0_vgpr1
     %2:_(s64) = G_AND %0, %1
 ...
 
 ---
-name: and_i64_vs
+name: and_s64_vs
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
-    ; CHECK-LABEL: name: and_i64_vs
+    ; CHECK-LABEL: name: and_s64_vs
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
     ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
     ; CHECK: [[UV2:%[0-9]+]]:sgpr(s32), [[UV3:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[UV]], [[UV2]]
     ; CHECK: [[AND1:%[0-9]+]]:vgpr(s32) = G_AND [[UV1]], [[UV3]]
     ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[AND]](s32), [[AND1]](s32)
     %0:_(s64) = COPY $vgpr0_vgpr1
     %1:_(s64) = COPY $sgpr0_sgpr1
     %2:_(s64) = G_AND %0, %1
 ...
 
 ---
-name: and_i64_vv
+name: and_s64_vv
 legalized: true
 
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
-    ; CHECK-LABEL: name: and_i64_vv
+    ; CHECK-LABEL: name: and_s64_vv
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
     ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
     ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
     ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[UV]], [[UV2]]
     ; CHECK: [[AND1:%[0-9]+]]:vgpr(s32) = G_AND [[UV1]], [[UV3]]
     ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[AND]](s32), [[AND1]](s32)
     %0:_(s64) = COPY $vgpr0_vgpr1
     %1:_(s64) = COPY $vgpr2_vgpr3
     %2:_(s64) = G_AND %0, %1
 ...
 
 ---
-name: and_i64_vv_user
+name: and_s64_vv_user
 legalized: true
 
 body: |
   bb.0:
     liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
-    ; CHECK-LABEL: name: and_i64_vv_user
+    ; CHECK-LABEL: name: and_s64_vv_user
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
     ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
     ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
     ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[UV]], [[UV2]]
     ; CHECK: [[AND1:%[0-9]+]]:vgpr(s32) = G_AND [[UV1]], [[UV3]]
     ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[AND]](s32), [[AND1]](s32)
     ; CHECK: S_NOP 0, implicit [[MV]](s64)
     %0:_(s64) = COPY $vgpr0_vgpr1
     %1:_(s64) = COPY $vgpr2_vgpr3
     %2:_(s64) = G_AND %0, %1
     S_NOP 0, implicit %2
 ...
 ---
-name: and_i64_ss_ss_merge
+name: and_s64_ss_ss_merge
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3
-    ; CHECK-LABEL: name: and_i64_ss_ss_merge
+    ; CHECK-LABEL: name: and_s64_ss_ss_merge
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
     ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
     ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
     ; CHECK: [[MV:%[0-9]+]]:sgpr(s64) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
     ; CHECK: [[MV1:%[0-9]+]]:sgpr(s64) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
     ; CHECK: [[AND:%[0-9]+]]:sgpr(s64) = G_AND [[MV]], [[MV1]]
     ; CHECK: S_NOP 0, implicit [[AND]](s64)
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $sgpr1
     %2:_(s32) = COPY $sgpr2
     %3:_(s32) = COPY $sgpr3
     %4:_(s64) = G_MERGE_VALUES %0, %1
     %5:_(s64) = G_MERGE_VALUES %2, %3
     %6:_(s64) = G_AND %4, %5
     S_NOP 0, implicit %6
 ...
 
 ---
-name: and_i64_vv_vv_merge
+name: and_s64_vv_vv_merge
 legalized: true
 
 body: |
   bb.0:
     liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
-    ; CHECK-LABEL: name: and_i64_vv_vv_merge
+    ; CHECK-LABEL: name: and_s64_vv_vv_merge
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
     ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
     ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3
     ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
     ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
     ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
     ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV1]](s64)
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[UV]], [[UV2]]
     ; CHECK: [[AND1:%[0-9]+]]:vgpr(s32) = G_AND [[UV1]], [[UV3]]
     ; CHECK: [[MV2:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[AND]](s32), [[AND1]](s32)
     ; CHECK: S_NOP 0, implicit [[MV2]](s64)
     %0:_(s32) = COPY $vgpr0
     %1:_(s32) = COPY $vgpr1
     %2:_(s32) = COPY $vgpr2
     %3:_(s32) = COPY $vgpr3
     %4:_(s64) = G_MERGE_VALUES %0, %1
     %5:_(s64) = G_MERGE_VALUES %2, %3
     %6:_(s64) = G_AND %4, %5
     S_NOP 0, implicit %6
 ...
 
 ---
-name: and_i64_s_sv_merge
+name: and_s64_s_sv_merge
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1, $sgpr2, $vgpr0
-    ; CHECK-LABEL: name: and_i64_s_sv_merge
+    ; CHECK-LABEL: name: and_s64_s_sv_merge
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
     ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
     ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY3]](s32), [[COPY2]](s32)
     ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
     ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[UV]], [[UV2]]
     ; CHECK: [[AND1:%[0-9]+]]:vgpr(s32) = G_AND [[UV1]], [[UV3]]
     ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[AND]](s32), [[AND1]](s32)
     ; CHECK: S_NOP 0, implicit [[MV1]](s64)
     %0:_(s64) = COPY $sgpr0_sgpr1
     %1:_(s32) = COPY $sgpr2
     %2:_(s32) = COPY $vgpr0
     %3:_(s64) = G_MERGE_VALUES %1, %2
     %4:_(s64) = G_AND %0, %3
     S_NOP 0, implicit %4
 ...
 
 ---
-name: and_i64_s_vs_merge
+name: and_s64_s_vs_merge
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1, $sgpr2, $vgpr0
-    ; CHECK-LABEL: name: and_i64_s_vs_merge
+    ; CHECK-LABEL: name: and_s64_s_vs_merge
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
     ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
     ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
     ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
     ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[UV]], [[UV2]]
     ; CHECK: [[AND1:%[0-9]+]]:vgpr(s32) = G_AND [[UV1]], [[UV3]]
     ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[AND]](s32), [[AND1]](s32)
     ; CHECK: S_NOP 0, implicit [[MV1]](s64)
     %0:_(s64) = COPY $sgpr0_sgpr1
     %1:_(s32) = COPY $sgpr2
     %2:_(s32) = COPY $vgpr0
     %3:_(s64) = G_MERGE_VALUES %2, %1
     %4:_(s64) = G_AND %0, %3
     S_NOP 0, implicit %4
 ...
 
 ---
-name: and_i64_sv_sv_merge
+name: and_s64_sv_sv_merge
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1
-    ; CHECK-LABEL: name: and_i64_sv_sv_merge
+    ; CHECK-LABEL: name: and_s64_sv_sv_merge
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
     ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
     ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
     ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY4]](s32), [[COPY2]](s32)
     ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
     ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY5]](s32), [[COPY3]](s32)
bb.0:
     %3:_(s32) = COPY $vgpr1
     %4:_(s64) = G_MERGE_VALUES %0, %2
     %5:_(s64) = G_MERGE_VALUES %1, %3
     %6:_(s64) = G_AND %4, %5
     S_NOP 0, implicit %6
 ...
 
 ---
-name: and_i64_sv_vs_merge
+name: and_s64_sv_vs_merge
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1
-    ; CHECK-LABEL: name: and_i64_sv_vs_merge
+    ; CHECK-LABEL: name: and_s64_sv_vs_merge
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
     ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
     ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
     ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY4]](s32), [[COPY2]](s32)
     ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
     ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY3]](s32), [[COPY5]](s32)
bb.0:
     %3:_(s32) = COPY $vgpr1
     %4:_(s64) = G_MERGE_VALUES %0, %2
     %5:_(s64) = G_MERGE_VALUES %3, %1
     %6:_(s64) = G_AND %4, %5
     S_NOP 0, implicit %6
 ...
 
 ---
-name: and_chain_i64_sv
+name: and_chain_s64_sv
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $vgpr0_vgpr1
-    ; CHECK-LABEL: name: and_chain_i64_sv
+    ; CHECK-LABEL: name: and_chain_s64_sv
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
     ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
     ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
     ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY2]](s64)
     ; CHECK: [[AND:%[0-9]+]]:vgpr(s32) = G_AND [[UV]], [[UV2]]
     ; CHECK: [[AND1:%[0-9]+]]:vgpr(s32) = G_AND [[UV1]], [[UV3]]
     ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[AND]](s32), [[AND1]](s32)
bb.0:
     ; CHECK: [[AND1:%[0-9]+]]:vgpr(s32) = G_AND [[UV1]], [[UV3]]
     ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<2 x s32>) = G_BUILD_VECTOR [[AND]](s32), [[AND1]](s32)
     ; CHECK: S_NOP 0, implicit [[BUILD_VECTOR]](<2 x s32>)
     %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
     %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
     %2:_(<2 x s32>) = G_AND %0, %1
     S_NOP 0, implicit %2
 ...
+
+---
+name: and_v4s16_ss
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
+    ; CHECK-LABEL: name: and_v4s16_ss
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr2_sgpr3
+    ; CHECK: [[AND:%[0-9]+]]:sgpr(<4 x s16>) = G_AND [[COPY]], [[COPY1]]
+    %0:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %1:_(<4 x s16>) = COPY $sgpr2_sgpr3
+    %2:_(<4 x s16>) = G_AND %0, %1
+...
+
+---
+name: and_v4s16_sv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: and_v4s16_sv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(<2 x s16>), [[UV1:%[0-9]+]]:sgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(<2 x s16>), [[UV3:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
+    ; CHECK: [[AND:%[0-9]+]]:vgpr(<2 x s16>) = G_AND [[UV]], [[UV2]]
+    ; CHECK: [[AND1:%[0-9]+]]:vgpr(<2 x s16>) = G_AND [[UV1]], [[UV3]]
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[AND]](<2 x s16>), [[AND1]](<2 x s16>)
+    %0:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %1:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %2:_(<4 x s16>) = G_AND %0, %1
+...
+
+---
+name: and_v4s16_vs
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: and_v4s16_vs
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(<2 x s16>), [[UV1:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
+    ; CHECK: [[UV2:%[0-9]+]]:sgpr(<2 x s16>), [[UV3:%[0-9]+]]:sgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
+    ; CHECK: [[AND:%[0-9]+]]:vgpr(<2 x s16>) = G_AND [[UV]], [[UV2]]
+    ; CHECK: [[AND1:%[0-9]+]]:vgpr(<2 x s16>) = G_AND [[UV1]], [[UV3]]
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[AND]](<2 x s16>), [[AND1]](<2 x s16>)
+    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %1:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %2:_(<4 x s16>) = G_AND %0, %1
+...
+
+---
+name: and_v4s16_vv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+    ; CHECK-LABEL: name: and_v4s16_vv
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr2_vgpr3
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(<2 x s16>), [[UV1:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(<2 x s16>), [[UV3:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
+    ; CHECK: [[AND:%[0-9]+]]:vgpr(<2 x s16>) = G_AND [[UV]], [[UV2]]
+    ; CHECK: [[AND1:%[0-9]+]]:vgpr(<2 x s16>) = G_AND [[UV1]], [[UV3]]
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[AND]](<2 x s16>), [[AND1]](<2 x s16>)
+    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %1:_(<4 x s16>) = COPY $vgpr2_vgpr3
+    %2:_(<4 x s16>) = G_AND %0, %1
+...

test/CodeGen/AMDGPU/GlobalISel/regbankselect-or.mir

 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
 # RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
 
 ---
-name: or_i32_ss
+name: or_s32_ss
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1
-    ; CHECK-LABEL: name: or_i32_ss
+    ; CHECK-LABEL: name: or_s32_ss
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
     ; CHECK: [[OR:%[0-9]+]]:sgpr(s32) = G_OR [[COPY]], [[COPY1]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $sgpr1
     %2:_(s32) = G_OR %0, %1
 ...
 
 ---
-name: or_i32_sv
+name: or_s32_sv
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $vgpr0
-    ; CHECK-LABEL: name: or_i32_sv
+    ; CHECK-LABEL: name: or_s32_sv
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[COPY]], [[COPY1]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $vgpr0
     %2:_(s32) = G_OR %0, %1
 ...
 
 ---
-name: or_i32_vs
+name: or_s32_vs
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $vgpr0
-    ; CHECK-LABEL: name: or_i32_vs
+    ; CHECK-LABEL: name: or_s32_vs
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
     ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[COPY]], [[COPY2]]
     %0:_(s32) = COPY $vgpr0
     %1:_(s32) = COPY $sgpr0
     %2:_(s32) = G_OR %0, %1
 ...
 
 ---
-name: or_i32_vv
+name: or_s32_vv
 legalized: true
 
 body: |
   bb.0:
     liveins: $vgpr0, $vgpr1
-    ; CHECK-LABEL: name: or_i32_vv
+    ; CHECK-LABEL: name: or_s32_vv
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
     ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[COPY]], [[COPY1]]
     %0:_(s32) = COPY $vgpr0
     %1:_(s32) = COPY $vgpr1
     %2:_(s32) = G_OR %0, %1
 ...
+
+---
+name: or_i1_scc_scc
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1
+    ; CHECK-LABEL: name: or_i1_scc_scc
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+    ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[C]]
+    ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY1]](s32), [[C]]
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s1) = COPY [[ICMP1]](s1)
+    ; CHECK: [[OR:%[0-9]+]]:sgpr(s1) = G_OR [[COPY2]], [[COPY3]]
+    ; CHECK: S_NOP 0, implicit [[OR]](s1)
+      %0:_(s32) = COPY $sgpr0
+      %1:_(s32) = COPY $sgpr1
+      %2:_(s32) = G_CONSTANT i32 0
+      %4:_(s1) = G_ICMP intpred(ne), %0, %2
+      %5:_(s1) = G_ICMP intpred(ne), %1, %2
+      %6:_(s1) = G_OR %4, %5
+      S_NOP 0, implicit %6
+...
+
+---
+name: or_i1_vcc_vcc
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; CHECK-LABEL: name: or_i1_vcc_vcc
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+    ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[C]]
+    ; CHECK: [[ICMP1:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY1]](s32), [[C]]
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s1) = COPY [[ICMP1]](s1)
+    ; CHECK: [[OR:%[0-9]+]]:sgpr(s1) = G_OR [[COPY2]], [[COPY3]]
+    ; CHECK: S_NOP 0, implicit [[OR]](s1)
+      %0:_(s32) = COPY $vgpr0
+      %1:_(s32) = COPY $vgpr1
+      %2:_(s32) = G_CONSTANT i32 0
+      %4:_(s1) = G_ICMP intpred(ne), %0, %2
+      %5:_(s1) = G_ICMP intpred(ne), %1, %2
+      %6:_(s1) = G_OR %4, %5
+      S_NOP 0, implicit %6
+...
+
+---
+name: or_i1_scc_vcc
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0
+    ; CHECK-LABEL: name: or_i1_scc_vcc
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+    ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[C]]
+    ; CHECK: [[ICMP1:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY1]](s32), [[C]]
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s1) = COPY [[ICMP1]](s1)
+    ; CHECK: [[OR:%[0-9]+]]:sgpr(s1) = G_OR [[COPY2]], [[COPY3]]
+    ; CHECK: S_NOP 0, implicit [[OR]](s1)
+      %0:_(s32) = COPY $sgpr0
+      %1:_(s32) = COPY $vgpr0
+      %2:_(s32) = G_CONSTANT i32 0
+      %4:_(s1) = G_ICMP intpred(ne), %0, %2
+      %5:_(s1) = G_ICMP intpred(ne), %1, %2
+      %6:_(s1) = G_OR %4, %5
+      S_NOP 0, implicit %6
+...
+
+---
+name: or_i1_sgpr_trunc_sgpr_trunc
+legalized: true
+body:             |
+  bb.0.entry:
+    liveins: $sgpr0, $sgpr1
+    ; CHECK-LABEL: name: or_i1_sgpr_trunc_sgpr_trunc
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[TRUNC1:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY1]](s32)
+    ; CHECK: [[OR:%[0-9]+]]:sgpr(s1) = G_OR [[TRUNC]], [[TRUNC1]]
+    ; CHECK: S_NOP 0, implicit [[OR]](s1)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(s1) = G_TRUNC %0
+    %3:_(s1) = G_TRUNC %1
+    %4:_(s1) = G_OR %2, %3
+    S_NOP 0, implicit %4
+
+...
+
+---
+name: or_i1_trunc_scc
+legalized: true
+body:             |
+  bb.0.entry:
+    liveins: $sgpr0, $sgpr1
+    ; CHECK-LABEL: name: or_i1_trunc_scc
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[OR:%[0-9]+]]:sgpr(s1) = G_OR [[TRUNC]], [[COPY2]]
+    ; CHECK: S_NOP 0, implicit [[OR]](s1)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(s1) = G_TRUNC %0
+    %3:_(s1) = G_ICMP intpred(ne), %0, %1
+    %4:_(s1) = G_OR %2, %3
+    S_NOP 0, implicit %4
+...
+
+---
+name: or_i1_s_trunc_vcc
+legalized: true
+body:             |
+  bb.0.entry:
+    liveins: $sgpr0, $vgpr0
+    ; CHECK-LABEL: name: or_i1_s_trunc_vcc
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[OR:%[0-9]+]]:sgpr(s1) = G_OR [[TRUNC]], [[COPY2]]
+    ; CHECK: S_NOP 0, implicit [[OR]](s1)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $vgpr0
+    %2:_(s1) = G_TRUNC %0
+    %3:_(s1) = G_ICMP intpred(ne), %0, %1
+    %4:_(s1) = G_OR %2, %3
+    S_NOP 0, implicit %4
+...
+
+---
+name: or_s64_ss
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
+    ; CHECK-LABEL: name: or_s64_ss
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
+    ; CHECK: [[OR:%[0-9]+]]:sgpr(s64) = G_OR [[COPY]], [[COPY1]]
+    %0:_(s64) = COPY $sgpr0_sgpr1
+    %1:_(s64) = COPY $sgpr2_sgpr3
+    %2:_(s64) = G_OR %0, %1
+...
+
+---
+name: or_s64_sv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: or_s64_sv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
+    %0:_(s64) = COPY $sgpr0_sgpr1
+    %1:_(s64) = COPY $vgpr0_vgpr1
+    %2:_(s64) = G_OR %0, %1
+...
+
+---
+name: or_s64_vs
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: or_s64_vs
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:sgpr(s32), [[UV3:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
+    %0:_(s64) = COPY $vgpr0_vgpr1
+    %1:_(s64) = COPY $sgpr0_sgpr1
+    %2:_(s64) = G_OR %0, %1
+...
+
+---
+name: or_s64_vv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+    ; CHECK-LABEL: name: or_s64_vv
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
+    %0:_(s64) = COPY $vgpr0_vgpr1
+    %1:_(s64) = COPY $vgpr2_vgpr3
+    %2:_(s64) = G_OR %0, %1
+...
+
+---
+name: or_s64_vv_user
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+    ; CHECK-LABEL: name: or_s64_vv_user
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV]](s64)
+    %0:_(s64) = COPY $vgpr0_vgpr1
+    %1:_(s64) = COPY $vgpr2_vgpr3
+    %2:_(s64) = G_OR %0, %1
+    S_NOP 0, implicit %2
+...
+---
+name: or_s64_ss_ss_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3
+    ; CHECK-LABEL: name: or_s64_ss_ss_merge
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+    ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
+    ; CHECK: [[MV:%[0-9]+]]:sgpr(s64) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
+    ; CHECK: [[MV1:%[0-9]+]]:sgpr(s64) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
+    ; CHECK: [[OR:%[0-9]+]]:sgpr(s64) = G_OR [[MV]], [[MV1]]
+    ; CHECK: S_NOP 0, implicit [[OR]](s64)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(s32) = COPY $sgpr2
+    %3:_(s32) = COPY $sgpr3
+    %4:_(s64) = G_MERGE_VALUES %0, %1
+    %5:_(s64) = G_MERGE_VALUES %2, %3
+    %6:_(s64) = G_OR %4, %5
+    S_NOP 0, implicit %6
+...
+
+---
+name: or_s64_vv_vv_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
+    ; CHECK-LABEL: name: or_s64_vv_vv_merge
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV1]](s64)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[MV2:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV2]](s64)
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = COPY $vgpr1
+    %2:_(s32) = COPY $vgpr2
+    %3:_(s32) = COPY $vgpr3
+    %4:_(s64) = G_MERGE_VALUES %0, %1
+    %5:_(s64) = G_MERGE_VALUES %2, %3
+    %6:_(s64) = G_OR %4, %5
+    S_NOP 0, implicit %6
+...
+
+---
+name: or_s64_s_sv_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2, $vgpr0
+    ; CHECK-LABEL: name: or_s64_s_sv_merge
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY3]](s32), [[COPY2]](s32)
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV1]](s64)
+    %0:_(s64) = COPY $sgpr0_sgpr1
+    %1:_(s32) = COPY $sgpr2
+    %2:_(s32) = COPY $vgpr0
+    %3:_(s64) = G_MERGE_VALUES %1, %2
+    %4:_(s64) = G_OR %0, %3
+    S_NOP 0, implicit %4
+...
+
+---
+name: or_s64_s_vs_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2, $vgpr0
+    ; CHECK-LABEL: name: or_s64_s_vs_merge
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV1]](s64)
+    %0:_(s64) = COPY $sgpr0_sgpr1
+    %1:_(s32) = COPY $sgpr2
+    %2:_(s32) = COPY $vgpr0
+    %3:_(s64) = G_MERGE_VALUES %2, %1
+    %4:_(s64) = G_OR %0, %3
+    S_NOP 0, implicit %4
+...
+
+---
+name: or_s64_sv_sv_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1
+    ; CHECK-LABEL: name: or_s64_sv_sv_merge
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY4]](s32), [[COPY2]](s32)
+    ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY5]](s32), [[COPY3]](s32)
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV1]](s64)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[MV2:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV2]](s64)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(s32) = COPY $vgpr0
+    %3:_(s32) = COPY $vgpr1
+    %4:_(s64) = G_MERGE_VALUES %0, %2
+    %5:_(s64) = G_MERGE_VALUES %1, %3
+    %6:_(s64) = G_OR %4, %5
+    S_NOP 0, implicit %6
+...
+
+---
+name: or_s64_sv_vs_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1
+    ; CHECK-LABEL: name: or_s64_sv_vs_merge
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY4]](s32), [[COPY2]](s32)
+    ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY3]](s32), [[COPY5]](s32)
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV1]](s64)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[MV2:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV2]](s64)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(s32) = COPY $vgpr0
+    %3:_(s32) = COPY $vgpr1
+    %4:_(s64) = G_MERGE_VALUES %0, %2
+    %5:_(s64) = G_MERGE_VALUES %3, %1
+    %6:_(s64) = G_OR %4, %5
+    S_NOP 0, implicit %6
+...
+
+---
+name: or_chain_s64_sv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: or_chain_s64_sv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY2]](s64)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR]](s32), [[OR1]](s32)
+    ; CHECK: [[UV4:%[0-9]+]]:sgpr(s32), [[UV5:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
+    ; CHECK: [[UV6:%[0-9]+]]:vgpr(s32), [[UV7:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[OR2:%[0-9]+]]:vgpr(s32) = G_OR [[UV4]], [[UV6]]
+    ; CHECK: [[OR3:%[0-9]+]]:vgpr(s32) = G_OR [[UV5]], [[UV7]]
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[OR2]](s32), [[OR3]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV1]](s64)
+    %0:_(s64) = COPY $sgpr0_sgpr1
+    %1:_(s64) = COPY $sgpr2_sgpr3
+    %2:_(s64) = COPY $vgpr0_vgpr1
+    %3:_(s64) = G_OR %0, %2
+    %4:_(s64) = G_OR %1, %3
+    S_NOP 0, implicit %4
+...
+
+---
+name: or_v2i32_ss
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
+    ; CHECK-LABEL: name: or_v2i32_ss
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<2 x s32>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<2 x s32>) = COPY $sgpr2_sgpr3
+    ; CHECK: [[OR:%[0-9]+]]:sgpr(<2 x s32>) = G_OR [[COPY]], [[COPY1]]
+    ; CHECK: S_NOP 0, implicit [[OR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $sgpr0_sgpr1
+    %1:_(<2 x s32>) = COPY $sgpr2_sgpr3
+    %2:_(<2 x s32>) = G_OR %0, %1
+    S_NOP 0, implicit %2
+...
+
+---
+name: or_v2i32_sv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: or_v2i32_sv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<2 x s32>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $sgpr0_sgpr1
+    %1:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %2:_(<2 x s32>) = G_OR %0, %1
+    S_NOP 0, implicit %2
+...
+
+---
+name: or_v2i32_vs
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: or_v2i32_vs
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<2 x s32>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[UV2:%[0-9]+]]:sgpr(s32), [[UV3:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %1:_(<2 x s32>) = COPY $sgpr0_sgpr1
+    %2:_(<2 x s32>) = G_OR %0, %1
+    S_NOP 0, implicit %2
+...
+
+---
+name: or_v2i32_vv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+    ; CHECK-LABEL: name: or_v2i32_vv
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<2 x s32>) = COPY $vgpr2_vgpr3
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(s32) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(s32) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<2 x s32>) = G_BUILD_VECTOR [[OR]](s32), [[OR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
+    %2:_(<2 x s32>) = G_OR %0, %1
+    S_NOP 0, implicit %2
+...
+
+---
+name: or_v4s16_ss
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
+    ; CHECK-LABEL: name: or_v4s16_ss
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr2_sgpr3
+    ; CHECK: [[OR:%[0-9]+]]:sgpr(<4 x s16>) = G_OR [[COPY]], [[COPY1]]
+    %0:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %1:_(<4 x s16>) = COPY $sgpr2_sgpr3
+    %2:_(<4 x s16>) = G_OR %0, %1
+...
+
+---
+name: or_v4s16_sv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: or_v4s16_sv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(<2 x s16>), [[UV1:%[0-9]+]]:sgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(<2 x s16>), [[UV3:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(<2 x s16>) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(<2 x s16>) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[OR]](<2 x s16>), [[OR1]](<2 x s16>)
+    %0:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %1:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %2:_(<4 x s16>) = G_OR %0, %1
+...
+
+---
+name: or_v4s16_vs
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: or_v4s16_vs
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(<2 x s16>), [[UV1:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
+    ; CHECK: [[UV2:%[0-9]+]]:sgpr(<2 x s16>), [[UV3:%[0-9]+]]:sgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(<2 x s16>) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(<2 x s16>) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[OR]](<2 x s16>), [[OR1]](<2 x s16>)
+    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %1:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %2:_(<4 x s16>) = G_OR %0, %1
+...
+
+---
+name: or_v4s16_vv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+    ; CHECK-LABEL: name: or_v4s16_vv
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr2_vgpr3
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(<2 x s16>), [[UV1:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(<2 x s16>), [[UV3:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
+    ; CHECK: [[OR:%[0-9]+]]:vgpr(<2 x s16>) = G_OR [[UV]], [[UV2]]
+    ; CHECK: [[OR1:%[0-9]+]]:vgpr(<2 x s16>) = G_OR [[UV1]], [[UV3]]
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[OR]](<2 x s16>), [[OR1]](<2 x s16>)
+    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %1:_(<4 x s16>) = COPY $vgpr2_vgpr3
+    %2:_(<4 x s16>) = G_OR %0, %1
+...

test/CodeGen/AMDGPU/GlobalISel/regbankselect-select.mir

bb.0:
     ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<2 x s32>) = G_BUILD_VECTOR [[SELECT]](s32), [[SELECT1]](s32)
     %0:_(s32) = COPY $vgpr0
     %1:_(s32) = COPY $vgpr1
     %2:_(<2 x s32>) = COPY $vgpr2_vgpr3
     %3:_(<2 x s32>) = COPY $vgpr4_vgpr5
     %4:_(s1) = G_ICMP intpred(ne), %0, %1
     %5:_(<2 x s32>) = G_SELECT %4, %2, %3
 ...
+
+---
+name: select_v4s16_sss
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2_sgpr3, $sgpr4_sgpr5
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(<4 x s16>) = COPY $sgpr2_sgpr3
+    %3:_(<4 x s16>) = COPY $sgpr4_sgpr5
+    %4:_(s1) = G_ICMP intpred(ne), %0, %1
+    %5:_(<4 x s16>) = G_SELECT %4, %2, %3
+...
+
+---
+name: select_v4s16_ssv
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2_sgpr3, $vgpr0_vgpr1
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(<4 x s16>) = COPY $sgpr2_sgpr3
+    %3:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %4:_(s1) = G_ICMP intpred(ne), %0, %1
+    %5:_(<4 x s16>) = G_SELECT %4, %2, %3
+
+...
+
+---
+name: select_v4s16_svs
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2_sgpr3, $vgpr0_vgpr1
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(<4 x s16>) = COPY $sgpr2_sgpr3
+    %3:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %4:_(s1) = G_ICMP intpred(ne), %0, %1
+    %5:_(<4 x s16>) = G_SELECT %4, %3, %2
+...
+
+---
+name: select_v4s16_svv
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2_sgpr3, $vgpr0_vgpr1, $vgpr2_vgpr3
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %3:_(<4 x s16>) = COPY $vgpr2_vgpr3
+    %4:_(s1) = G_ICMP intpred(ne), %0, %1
+    %5:_(<4 x s16>) = G_SELECT %4, %2, %3
+...
+
+---
+name: select_v4s16_vss
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $vgpr0, $vgpr1
+    %0:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %1:_(<4 x s16>) = COPY $sgpr2_sgpr3
+    %2:_(s32) = COPY $vgpr0
+    %3:_(s32) = COPY $vgpr1
+    %4:_(s1) = G_ICMP intpred(ne), %2, %3
+    %5:_(<4 x s16>) = G_SELECT %4, %0, %1
+...
+
+---
+name: select_v4s16_vsv
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0, $vgpr1, $vgpr2_vgpr3
+    %0:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %1:_(s32) = COPY $vgpr0
+    %2:_(s32) = COPY $vgpr1
+    %3:_(<4 x s16>) = COPY $vgpr2_vgpr3
+    %4:_(s1) = G_ICMP intpred(ne), %1, %2
+    %5:_(<4 x s16>) = G_SELECT %4, %0, %3
+...
+
+---
+name: select_v4s16_vvs
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0, $vgpr1, $vgpr2_vgpr3
+    %0:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %1:_(s32) = COPY $vgpr0
+    %2:_(s32) = COPY $vgpr1
+    %3:_(<4 x s16>) = COPY $vgpr2_vgpr3
+    %4:_(s1) = G_ICMP intpred(ne), %1, %2
+    %5:_(<4 x s16>) = G_SELECT %4, %3, %0
+...
+
+---
+name: select_v4s16_vvv
+legalized: true
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vgpr4_vgpr5
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = COPY $vgpr1
+    %2:_(<4 x s16>) = COPY $vgpr2_vgpr3
+    %3:_(<4 x s16>) = COPY $vgpr4_vgpr5
+    %4:_(s1) = G_ICMP intpred(ne), %0, %1
+    %5:_(<4 x s16>) = G_SELECT %4, %2, %3
+...
+
+---
+name: select_p1_sss
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2_sgpr3, $sgpr4_sgpr5
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(p1) = COPY $sgpr2_sgpr3
+    %3:_(p1) = COPY $sgpr4_sgpr5
+    %4:_(s1) = G_ICMP intpred(ne), %0, %1
+    %5:_(p1) = G_SELECT %4, %2, %3
+...
+
+---
+name: select_p1_ssv
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2_sgpr3, $vgpr0_vgpr1
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(p1) = COPY $sgpr2_sgpr3
+    %3:_(p1) = COPY $vgpr0_vgpr1
+    %4:_(s1) = G_ICMP intpred(ne), %0, %1
+    %5:_(p1) = G_SELECT %4, %2, %3
+
+...
+
+---
+name: select_p1_svs
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2_sgpr3, $vgpr0_vgpr1
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(p1) = COPY $sgpr2_sgpr3
+    %3:_(p1) = COPY $vgpr0_vgpr1
+    %4:_(s1) = G_ICMP intpred(ne), %0, %1
+    %5:_(p1) = G_SELECT %4, %3, %2
+...
+
+---
+name: select_p1_svv
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2_sgpr3, $vgpr0_vgpr1, $vgpr2_vgpr3
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(p1) = COPY $vgpr0_vgpr1
+    %3:_(p1) = COPY $vgpr2_vgpr3
+    %4:_(s1) = G_ICMP intpred(ne), %0, %1
+    %5:_(p1) = G_SELECT %4, %2, %3
+...
+
+---
+name: select_p1_vss
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $vgpr0, $vgpr1
+    %0:_(p1) = COPY $sgpr0_sgpr1
+    %1:_(p1) = COPY $sgpr2_sgpr3
+    %2:_(s32) = COPY $vgpr0
+    %3:_(s32) = COPY $vgpr1
+    %4:_(s1) = G_ICMP intpred(ne), %2, %3
+    %5:_(p1) = G_SELECT %4, %0, %1
+...
+
+---
+name: select_p1_vsv
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0, $vgpr1, $vgpr2_vgpr3
+    %0:_(p1) = COPY $sgpr0_sgpr1
+    %1:_(s32) = COPY $vgpr0
+    %2:_(s32) = COPY $vgpr1
+    %3:_(p1) = COPY $vgpr2_vgpr3
+    %4:_(s1) = G_ICMP intpred(ne), %1, %2
+    %5:_(p1) = G_SELECT %4, %0, %3
+...
+
+---
+name: select_p1_vvs
+legalized: true
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0, $vgpr1, $vgpr2_vgpr3
+    %0:_(p1) = COPY $sgpr0_sgpr1
+    %1:_(s32) = COPY $vgpr0
+    %2:_(s32) = COPY $vgpr1
+    %3:_(p1) = COPY $vgpr2_vgpr3
+    %4:_(s1) = G_ICMP intpred(ne), %1, %2
+    %5:_(p1) = G_SELECT %4, %3, %0
+...
+
+---
+name: select_p1_vvv
+legalized: true
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3, $vgpr4_vgpr5
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = COPY $vgpr1
+    %2:_(p1) = COPY $vgpr2_vgpr3
+    %3:_(p1) = COPY $vgpr4_vgpr5
+    %4:_(s1) = G_ICMP intpred(ne), %0, %1
+    %5:_(p1) = G_SELECT %4, %2, %3
+...

test/CodeGen/AMDGPU/GlobalISel/regbankselect-xor.mir

 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
 # RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck %s
 # RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck %s
 
 ---
-name: xor_i32_ss
+name: xor_s32_ss
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $sgpr1
-    ; CHECK-LABEL: name: xor_i32_ss
+    ; CHECK-LABEL: name: xor_s32_ss
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
     ; CHECK: [[XOR:%[0-9]+]]:sgpr(s32) = G_XOR [[COPY]], [[COPY1]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $sgpr1
     %2:_(s32) = G_XOR %0, %1
 ...
 
 ---
-name: xor_i32_sv
+name: xor_s32_sv
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $vgpr0
-    ; CHECK-LABEL: name: xor_i32_sv
+    ; CHECK-LABEL: name: xor_s32_sv
     ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[COPY]], [[COPY1]]
     %0:_(s32) = COPY $sgpr0
     %1:_(s32) = COPY $vgpr0
     %2:_(s32) = G_XOR %0, %1
 ...
 
 ---
-name: xor_i32_vs
+name: xor_s32_vs
 legalized: true
 
 body: |
   bb.0:
     liveins: $sgpr0, $vgpr0
-    ; CHECK-LABEL: name: xor_i32_vs
+    ; CHECK-LABEL: name: xor_s32_vs
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
     ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
     ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[COPY]], [[COPY2]]
     %0:_(s32) = COPY $vgpr0
     %1:_(s32) = COPY $sgpr0
     %2:_(s32) = G_XOR %0, %1
 ...
 
 ---
-name: xor_i32_vv
+name: xor_s32_vv
 legalized: true
 
 body: |
   bb.0:
     liveins: $vgpr0, $vgpr1
-    ; CHECK-LABEL: name: xor_i32_vv
+    ; CHECK-LABEL: name: xor_s32_vv
     ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
     ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
     ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[COPY]], [[COPY1]]
     %0:_(s32) = COPY $vgpr0
     %1:_(s32) = COPY $vgpr1
     %2:_(s32) = G_XOR %0, %1
 ...
+
+---
+name: xor_i1_scc_scc
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1
+    ; CHECK-LABEL: name: xor_i1_scc_scc
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+    ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[C]]
+    ; CHECK: [[ICMP1:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY1]](s32), [[C]]
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s1) = COPY [[ICMP1]](s1)
+    ; CHECK: [[XOR:%[0-9]+]]:sgpr(s1) = G_XOR [[COPY2]], [[COPY3]]
+    ; CHECK: S_NOP 0, implicit [[XOR]](s1)
+      %0:_(s32) = COPY $sgpr0
+      %1:_(s32) = COPY $sgpr1
+      %2:_(s32) = G_CONSTANT i32 0
+      %4:_(s1) = G_ICMP intpred(ne), %0, %2
+      %5:_(s1) = G_ICMP intpred(ne), %1, %2
+      %6:_(s1) = G_XOR %4, %5
+      S_NOP 0, implicit %6
+...
+
+---
+name: xor_i1_vcc_vcc
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; CHECK-LABEL: name: xor_i1_vcc_vcc
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+    ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[C]]
+    ; CHECK: [[ICMP1:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY1]](s32), [[C]]
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s1) = COPY [[ICMP1]](s1)
+    ; CHECK: [[XOR:%[0-9]+]]:sgpr(s1) = G_XOR [[COPY2]], [[COPY3]]
+    ; CHECK: S_NOP 0, implicit [[XOR]](s1)
+      %0:_(s32) = COPY $vgpr0
+      %1:_(s32) = COPY $vgpr1
+      %2:_(s32) = G_CONSTANT i32 0
+      %4:_(s1) = G_ICMP intpred(ne), %0, %2
+      %5:_(s1) = G_ICMP intpred(ne), %1, %2
+      %6:_(s1) = G_XOR %4, %5
+      S_NOP 0, implicit %6
+...
+
+---
+name: xor_i1_scc_vcc
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0
+    ; CHECK-LABEL: name: xor_i1_scc_vcc
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i32 0
+    ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[C]]
+    ; CHECK: [[ICMP1:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY1]](s32), [[C]]
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s1) = COPY [[ICMP1]](s1)
+    ; CHECK: [[XOR:%[0-9]+]]:sgpr(s1) = G_XOR [[COPY2]], [[COPY3]]
+    ; CHECK: S_NOP 0, implicit [[XOR]](s1)
+      %0:_(s32) = COPY $sgpr0
+      %1:_(s32) = COPY $vgpr0
+      %2:_(s32) = G_CONSTANT i32 0
+      %4:_(s1) = G_ICMP intpred(ne), %0, %2
+      %5:_(s1) = G_ICMP intpred(ne), %1, %2
+      %6:_(s1) = G_XOR %4, %5
+      S_NOP 0, implicit %6
+...
+
+---
+name: xor_i1_sgpr_trunc_sgpr_trunc
+legalized: true
+body:             |
+  bb.0.entry:
+    liveins: $sgpr0, $sgpr1
+    ; CHECK-LABEL: name: xor_i1_sgpr_trunc_sgpr_trunc
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[TRUNC1:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY1]](s32)
+    ; CHECK: [[XOR:%[0-9]+]]:sgpr(s1) = G_XOR [[TRUNC]], [[TRUNC1]]
+    ; CHECK: S_NOP 0, implicit [[XOR]](s1)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(s1) = G_TRUNC %0
+    %3:_(s1) = G_TRUNC %1
+    %4:_(s1) = G_XOR %2, %3
+    S_NOP 0, implicit %4
+
+...
+
+---
+name: xor_i1_trunc_scc
+legalized: true
+body:             |
+  bb.0.entry:
+    liveins: $sgpr0, $sgpr1
+    ; CHECK-LABEL: name: xor_i1_trunc_scc
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[XOR:%[0-9]+]]:sgpr(s1) = G_XOR [[TRUNC]], [[COPY2]]
+    ; CHECK: S_NOP 0, implicit [[XOR]](s1)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(s1) = G_TRUNC %0
+    %3:_(s1) = G_ICMP intpred(ne), %0, %1
+    %4:_(s1) = G_XOR %2, %3
+    S_NOP 0, implicit %4
+...
+
+---
+name: xor_i1_s_trunc_vcc
+legalized: true
+body:             |
+  bb.0.entry:
+    liveins: $sgpr0, $vgpr0
+    ; CHECK-LABEL: name: xor_i1_s_trunc_vcc
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY]](s32)
+    ; CHECK: [[ICMP:%[0-9]+]]:vcc(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
+    ; CHECK: [[XOR:%[0-9]+]]:sgpr(s1) = G_XOR [[TRUNC]], [[COPY2]]
+    ; CHECK: S_NOP 0, implicit [[XOR]](s1)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $vgpr0
+    %2:_(s1) = G_TRUNC %0
+    %3:_(s1) = G_ICMP intpred(ne), %0, %1
+    %4:_(s1) = G_XOR %2, %3
+    S_NOP 0, implicit %4
+...
+
+---
+name: xor_s64_ss
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
+    ; CHECK-LABEL: name: xor_s64_ss
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
+    ; CHECK: [[XOR:%[0-9]+]]:sgpr(s64) = G_XOR [[COPY]], [[COPY1]]
+    %0:_(s64) = COPY $sgpr0_sgpr1
+    %1:_(s64) = COPY $sgpr2_sgpr3
+    %2:_(s64) = G_XOR %0, %1
+...
+
+---
+name: xor_s64_sv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: xor_s64_sv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR]](s32), [[XOR1]](s32)
+    %0:_(s64) = COPY $sgpr0_sgpr1
+    %1:_(s64) = COPY $vgpr0_vgpr1
+    %2:_(s64) = G_XOR %0, %1
+...
+
+---
+name: xor_s64_vs
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: xor_s64_vs
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:sgpr(s32), [[UV3:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR]](s32), [[XOR1]](s32)
+    %0:_(s64) = COPY $vgpr0_vgpr1
+    %1:_(s64) = COPY $sgpr0_sgpr1
+    %2:_(s64) = G_XOR %0, %1
+...
+
+---
+name: xor_s64_vv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+    ; CHECK-LABEL: name: xor_s64_vv
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR]](s32), [[XOR1]](s32)
+    %0:_(s64) = COPY $vgpr0_vgpr1
+    %1:_(s64) = COPY $vgpr2_vgpr3
+    %2:_(s64) = G_XOR %0, %1
+...
+
+---
+name: xor_s64_vv_user
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+    ; CHECK-LABEL: name: xor_s64_vv_user
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s64) = COPY $vgpr2_vgpr3
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR]](s32), [[XOR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV]](s64)
+    %0:_(s64) = COPY $vgpr0_vgpr1
+    %1:_(s64) = COPY $vgpr2_vgpr3
+    %2:_(s64) = G_XOR %0, %1
+    S_NOP 0, implicit %2
+...
+---
+name: xor_s64_ss_ss_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $sgpr2, $sgpr3
+    ; CHECK-LABEL: name: xor_s64_ss_ss_merge
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+    ; CHECK: [[COPY3:%[0-9]+]]:sgpr(s32) = COPY $sgpr3
+    ; CHECK: [[MV:%[0-9]+]]:sgpr(s64) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
+    ; CHECK: [[MV1:%[0-9]+]]:sgpr(s64) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
+    ; CHECK: [[XOR:%[0-9]+]]:sgpr(s64) = G_XOR [[MV]], [[MV1]]
+    ; CHECK: S_NOP 0, implicit [[XOR]](s64)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(s32) = COPY $sgpr2
+    %3:_(s32) = COPY $sgpr3
+    %4:_(s64) = G_MERGE_VALUES %0, %1
+    %5:_(s64) = G_MERGE_VALUES %2, %3
+    %6:_(s64) = G_XOR %4, %5
+    S_NOP 0, implicit %6
+...
+
+---
+name: xor_s64_vv_vv_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
+    ; CHECK-LABEL: name: xor_s64_vv_vv_merge
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr2
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr3
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY]](s32), [[COPY1]](s32)
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV1]](s64)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[MV2:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR]](s32), [[XOR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV2]](s64)
+    %0:_(s32) = COPY $vgpr0
+    %1:_(s32) = COPY $vgpr1
+    %2:_(s32) = COPY $vgpr2
+    %3:_(s32) = COPY $vgpr3
+    %4:_(s64) = G_MERGE_VALUES %0, %1
+    %5:_(s64) = G_MERGE_VALUES %2, %3
+    %6:_(s64) = G_XOR %4, %5
+    S_NOP 0, implicit %6
+...
+
+---
+name: xor_s64_s_sv_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2, $vgpr0
+    ; CHECK-LABEL: name: xor_s64_s_sv_merge
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY3]](s32), [[COPY2]](s32)
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR]](s32), [[XOR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV1]](s64)
+    %0:_(s64) = COPY $sgpr0_sgpr1
+    %1:_(s32) = COPY $sgpr2
+    %2:_(s32) = COPY $vgpr0
+    %3:_(s64) = G_MERGE_VALUES %1, %2
+    %4:_(s64) = G_XOR %0, %3
+    S_NOP 0, implicit %4
+...
+
+---
+name: xor_s64_s_vs_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2, $vgpr0
+    ; CHECK-LABEL: name: xor_s64_s_vs_merge
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY2]](s32), [[COPY3]](s32)
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR]](s32), [[XOR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV1]](s64)
+    %0:_(s64) = COPY $sgpr0_sgpr1
+    %1:_(s32) = COPY $sgpr2
+    %2:_(s32) = COPY $vgpr0
+    %3:_(s64) = G_MERGE_VALUES %2, %1
+    %4:_(s64) = G_XOR %0, %3
+    S_NOP 0, implicit %4
+...
+
+---
+name: xor_s64_sv_sv_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1
+    ; CHECK-LABEL: name: xor_s64_sv_sv_merge
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY4]](s32), [[COPY2]](s32)
+    ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY5]](s32), [[COPY3]](s32)
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV1]](s64)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[MV2:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR]](s32), [[XOR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV2]](s64)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(s32) = COPY $vgpr0
+    %3:_(s32) = COPY $vgpr1
+    %4:_(s64) = G_MERGE_VALUES %0, %2
+    %5:_(s64) = G_MERGE_VALUES %1, %3
+    %6:_(s64) = G_XOR %4, %5
+    S_NOP 0, implicit %6
+...
+
+---
+name: xor_s64_sv_vs_merge
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1, $vgpr0, $vgpr1
+    ; CHECK-LABEL: name: xor_s64_sv_vs_merge
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
+    ; CHECK: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
+    ; CHECK: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY4]](s32), [[COPY2]](s32)
+    ; CHECK: [[COPY5:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[COPY3]](s32), [[COPY5]](s32)
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV1]](s64)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[MV2:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR]](s32), [[XOR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV2]](s64)
+    %0:_(s32) = COPY $sgpr0
+    %1:_(s32) = COPY $sgpr1
+    %2:_(s32) = COPY $vgpr0
+    %3:_(s32) = COPY $vgpr1
+    %4:_(s64) = G_MERGE_VALUES %0, %2
+    %5:_(s64) = G_MERGE_VALUES %3, %1
+    %6:_(s64) = G_XOR %4, %5
+    S_NOP 0, implicit %6
+...
+
+---
+name: xor_chain_s64_sv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: xor_chain_s64_sv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(s64) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(s64) = COPY $sgpr2_sgpr3
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(s64) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](s64)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY2]](s64)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[MV:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR]](s32), [[XOR1]](s32)
+    ; CHECK: [[UV4:%[0-9]+]]:sgpr(s32), [[UV5:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY1]](s64)
+    ; CHECK: [[UV6:%[0-9]+]]:vgpr(s32), [[UV7:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[MV]](s64)
+    ; CHECK: [[XOR2:%[0-9]+]]:vgpr(s32) = G_XOR [[UV4]], [[UV6]]
+    ; CHECK: [[XOR3:%[0-9]+]]:vgpr(s32) = G_XOR [[UV5]], [[UV7]]
+    ; CHECK: [[MV1:%[0-9]+]]:vgpr(s64) = G_MERGE_VALUES [[XOR2]](s32), [[XOR3]](s32)
+    ; CHECK: S_NOP 0, implicit [[MV1]](s64)
+    %0:_(s64) = COPY $sgpr0_sgpr1
+    %1:_(s64) = COPY $sgpr2_sgpr3
+    %2:_(s64) = COPY $vgpr0_vgpr1
+    %3:_(s64) = G_XOR %0, %2
+    %4:_(s64) = G_XOR %1, %3
+    S_NOP 0, implicit %4
+...
+
+---
+name: xor_v2i32_ss
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
+    ; CHECK-LABEL: name: xor_v2i32_ss
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<2 x s32>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<2 x s32>) = COPY $sgpr2_sgpr3
+    ; CHECK: [[XOR:%[0-9]+]]:sgpr(<2 x s32>) = G_XOR [[COPY]], [[COPY1]]
+    ; CHECK: S_NOP 0, implicit [[XOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $sgpr0_sgpr1
+    %1:_(<2 x s32>) = COPY $sgpr2_sgpr3
+    %2:_(<2 x s32>) = G_XOR %0, %1
+    S_NOP 0, implicit %2
+...
+
+---
+name: xor_v2i32_sv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: xor_v2i32_sv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<2 x s32>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(s32), [[UV1:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<2 x s32>) = G_BUILD_VECTOR [[XOR]](s32), [[XOR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $sgpr0_sgpr1
+    %1:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %2:_(<2 x s32>) = G_XOR %0, %1
+    S_NOP 0, implicit %2
+...
+
+---
+name: xor_v2i32_vs
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+
+    ; CHECK-LABEL: name: xor_v2i32_vs
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<2 x s32>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[UV2:%[0-9]+]]:sgpr(s32), [[UV3:%[0-9]+]]:sgpr(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<2 x s32>) = G_BUILD_VECTOR [[XOR]](s32), [[XOR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %1:_(<2 x s32>) = COPY $sgpr0_sgpr1
+    %2:_(<2 x s32>) = G_XOR %0, %1
+    S_NOP 0, implicit %2
+...
+
+---
+name: xor_v2i32_vv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+    ; CHECK-LABEL: name: xor_v2i32_vv
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<2 x s32>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<2 x s32>) = COPY $vgpr2_vgpr3
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(s32), [[UV1:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(s32), [[UV3:%[0-9]+]]:vgpr(s32) = G_UNMERGE_VALUES [[COPY1]](<2 x s32>)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(s32) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(s32) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:vgpr(<2 x s32>) = G_BUILD_VECTOR [[XOR]](s32), [[XOR1]](s32)
+    ; CHECK: S_NOP 0, implicit [[BUILD_VECTOR]](<2 x s32>)
+    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+    %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
+    %2:_(<2 x s32>) = G_XOR %0, %1
+    S_NOP 0, implicit %2
+...
+
+---
+name: xor_v4s16_ss
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $sgpr2_sgpr3
+    ; CHECK-LABEL: name: xor_v4s16_ss
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr2_sgpr3
+    ; CHECK: [[XOR:%[0-9]+]]:sgpr(<4 x s16>) = G_XOR [[COPY]], [[COPY1]]
+    %0:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %1:_(<4 x s16>) = COPY $sgpr2_sgpr3
+    %2:_(<4 x s16>) = G_XOR %0, %1
+...
+
+---
+name: xor_v4s16_sv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: xor_v4s16_sv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[UV:%[0-9]+]]:sgpr(<2 x s16>), [[UV1:%[0-9]+]]:sgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(<2 x s16>), [[UV3:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(<2 x s16>) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(<2 x s16>) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[XOR]](<2 x s16>), [[XOR1]](<2 x s16>)
+    %0:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %1:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %2:_(<4 x s16>) = G_XOR %0, %1
+...
+
+---
+name: xor_v4s16_vs
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0_sgpr1, $vgpr0_vgpr1
+    ; CHECK-LABEL: name: xor_v4s16_vs
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<4 x s16>) = COPY $sgpr0_sgpr1
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(<2 x s16>), [[UV1:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
+    ; CHECK: [[UV2:%[0-9]+]]:sgpr(<2 x s16>), [[UV3:%[0-9]+]]:sgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(<2 x s16>) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(<2 x s16>) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[XOR]](<2 x s16>), [[XOR1]](<2 x s16>)
+    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %1:_(<4 x s16>) = COPY $sgpr0_sgpr1
+    %2:_(<4 x s16>) = G_XOR %0, %1
+...
+
+---
+name: xor_v4s16_vv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+    ; CHECK-LABEL: name: xor_v4s16_vv
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr0_vgpr1
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<4 x s16>) = COPY $vgpr2_vgpr3
+    ; CHECK: [[UV:%[0-9]+]]:vgpr(<2 x s16>), [[UV1:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY]](<4 x s16>)
+    ; CHECK: [[UV2:%[0-9]+]]:vgpr(<2 x s16>), [[UV3:%[0-9]+]]:vgpr(<2 x s16>) = G_UNMERGE_VALUES [[COPY1]](<4 x s16>)
+    ; CHECK: [[XOR:%[0-9]+]]:vgpr(<2 x s16>) = G_XOR [[UV]], [[UV2]]
+    ; CHECK: [[XOR1:%[0-9]+]]:vgpr(<2 x s16>) = G_XOR [[UV1]], [[UV3]]
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[XOR]](<2 x s16>), [[XOR1]](<2 x s16>)
+    %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
+    %1:_(<4 x s16>) = COPY $vgpr2_vgpr3
+    %2:_(<4 x s16>) = G_XOR %0, %1
+...