diff --git a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
--- a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
+++ b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
@@ -1348,6 +1348,9 @@
   Intrinsic<[llvm_anyint_ty], [llvm_anyfloat_ty, LLVMMatchType<1>, llvm_i32_ty],
             [IntrNoMem, IntrConvergent, ImmArg<2>]>;
 
+def int_amdgcn_ballot :
+  Intrinsic<[llvm_anyint_ty], [llvm_i1_ty], [IntrNoMem, IntrConvergent]>;
+
 def int_amdgcn_readfirstlane :
   GCCBuiltin<"__builtin_amdgcn_readfirstlane">,
   Intrinsic<[llvm_i32_ty], [llvm_i32_ty], [IntrNoMem, IntrConvergent]>;
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp b/llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp
@@ -447,9 +447,8 @@
   // We need to know how many lanes are active within the wavefront, and we do
   // this by doing a ballot of active lanes.
   Type *const WaveTy = B.getIntNTy(ST->getWavefrontSize());
-  CallInst *const Ballot = B.CreateIntrinsic(
-      Intrinsic::amdgcn_icmp, {WaveTy, B.getInt32Ty()},
-      {B.getInt32(1), B.getInt32(0), B.getInt32(CmpInst::ICMP_NE)});
+  CallInst *const Ballot =
+      B.CreateIntrinsic(Intrinsic::amdgcn_ballot, WaveTy, B.getTrue());
 
   // We need to know how many lanes are active within the wavefront that are
   // below us. If we counted each lane linearly starting from 0, a lane is
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp
--- a/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetTransformInfo.cpp
@@ -715,6 +715,7 @@
     case Intrinsic::amdgcn_readlane:
     case Intrinsic::amdgcn_icmp:
     case Intrinsic::amdgcn_fcmp:
+    case Intrinsic::amdgcn_ballot:
     case Intrinsic::amdgcn_if_break:
       return true;
     }
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -4223,6 +4223,43 @@
   return DAG.getZExtOrTrunc(SetCC, SL, VT);
 }
 
+static SDValue lowerBALLOTIntrinsic(const SITargetLowering &TLI, SDNode *N,
+                                    SelectionDAG &DAG) {
+  EVT VT = N->getValueType(0);
+  SDValue Src = N->getOperand(1);
+  SDLoc SL(N);
+
+  if (Src.getOpcode() == ISD::SETCC) {
+    // (ballot (ISD::SETCC ...)) -> (AMDGPUISD::SETCC ...)
+    return DAG.getNode(AMDGPUISD::SETCC, SL, VT, Src.getOperand(0),
+                       Src.getOperand(1), Src.getOperand(2));
+  }
+  if (const ConstantSDNode *Arg = dyn_cast<ConstantSDNode>(Src)) {
+    // (ballot 0) -> 0
+    if (Arg->isNullValue())
+      return DAG.getConstant(0, SL, VT);
+
+    // (ballot 1) -> EXEC/EXEC_LO
+    if (Arg->isOne()) {
+      Register Exec;
+      if (VT.getScalarSizeInBits() == 32)
+        Exec = AMDGPU::EXEC_LO;
+      else if (VT.getScalarSizeInBits() == 64)
+        Exec = AMDGPU::EXEC;
+      else
+        report_fatal_error("int_amdgcn_ballot: Invalid return size");
+
+      return DAG.getCopyFromReg(DAG.getEntryNode(), SL, Exec, VT);
+    }
+  }
+
+  // (ballot (i1 $src)) -> (AMDGPUISD::SETCC (i32 (zext $src)) (i32 0)
+  // ISD::SETNE)
+  return DAG.getNode(
+      AMDGPUISD::SETCC, SL, VT, DAG.getZExtOrTrunc(Src, SL, MVT::i32),
+      DAG.getConstant(0, SL, MVT::i32), DAG.getCondCode(ISD::SETNE));
+}
+
 void SITargetLowering::ReplaceNodeResults(SDNode *N,
                                           SmallVectorImpl<SDValue> &Results,
                                           SelectionDAG &DAG) const {
@@ -5940,6 +5977,8 @@
   case Intrinsic::amdgcn_fcmp: {
     return lowerFCMPIntrinsic(*this, Op.getNode(), DAG);
   }
+  case Intrinsic::amdgcn_ballot:
+    return lowerBALLOTIntrinsic(*this, Op.getNode(), DAG);
   case Intrinsic::amdgcn_fmed3:
     return DAG.getNode(AMDGPUISD::FMED3, DL, VT,
                        Op.getOperand(1), Op.getOperand(2), Op.getOperand(3));
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
--- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -3970,6 +3970,35 @@
 
     break;
   }
+  case Intrinsic::amdgcn_ballot: {
+    if (auto *Src = dyn_cast<ConstantInt>(II->getArgOperand(0))) {
+      if (Src->isZero()) {
+        // amdgcn.ballot(i1 0) is zero.
+        return replaceInstUsesWith(*II, Constant::getNullValue(II->getType()));
+      }
+
+      if (Src->isOne()) {
+        // amdgcn.ballot(i1 1) is exec.
+        Function *NewF = Intrinsic::getDeclaration(
+            II->getModule(), Intrinsic::read_register, II->getType());
+        const char *RegName = "exec";
+        if (II->getType()->isIntegerTy(32))
+          RegName = "exec_lo";
+        else if (!II->getType()->isIntegerTy(64))
+          report_fatal_error("int_amdgcn_ballot: Invalid return size");
+
+        Metadata *MDArgs[] = {MDString::get(II->getContext(), RegName)};
+        MDNode *MD = MDNode::get(II->getContext(), MDArgs);
+        Value *Args[] = {MetadataAsValue::get(II->getContext(), MD)};
+        CallInst *NewCall = Builder.CreateCall(NewF, Args);
+        NewCall->addAttribute(AttributeList::FunctionIndex,
+                              Attribute::Convergent);
+        NewCall->takeName(II);
+        return replaceInstUsesWith(*II, NewCall);
+      }
+    }
+    break;
+  }
   case Intrinsic::amdgcn_wqm_vote: {
     // wqm_vote is identity when the argument is constant.
     if (!isa<Constant>(II->getArgOperand(0)))
@@ -4194,7 +4223,7 @@
       return replaceOperand(*II, 2,
           ConstantInt::get(OpIntTy, GCR.getBasePtrIndex()));
     }
-    
+
     // Translate facts known about a pointer before relocating into
     // facts about the relocate value, while being careful to
     // preserve relocation semantics.
diff --git a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_buffer.ll b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_buffer.ll
--- a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_buffer.ll
+++ b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_buffer.ll
@@ -9,14 +9,15 @@
 declare i32 @llvm.amdgcn.struct.buffer.atomic.add(i32, <4 x i32>, i32, i32, i32, i32 immarg)
 declare i32 @llvm.amdgcn.raw.buffer.atomic.sub(i32, <4 x i32>, i32, i32, i32 immarg)
 
-; Show that what the atomic optimization pass will do for raw buffers.
+; Show what the atomic optimization pass will do for raw buffers.
 
 ; GCN-LABEL: add_i32_constant:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: v_mul_u32_u24{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[popcount]], 5
@@ -29,11 +30,12 @@
 }
 
 ; GCN-LABEL: add_i32_uniform:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: s_mul_i32 s[[scalar_value:[0-9]+]], s{{[0-9]+}}, s[[popcount]]
@@ -108,11 +110,12 @@
 }
 
 ; GCN-LABEL: sub_i32_constant:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: v_mul_u32_u24{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[popcount]], 5
@@ -125,11 +128,12 @@
 }
 
 ; GCN-LABEL: sub_i32_uniform:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: s_mul_i32 s[[scalar_value:[0-9]+]], s{{[0-9]+}}, s[[popcount]]
diff --git a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_global_pointer.ll b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_global_pointer.ll
--- a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_global_pointer.ll
+++ b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_global_pointer.ll
@@ -6,14 +6,15 @@
 
 declare i32 @llvm.amdgcn.workitem.id.x()
 
-; Show that what the atomic optimization pass will do for global pointers.
+; Show what the atomic optimization pass will do for global pointers.
 
 ; GCN-LABEL: add_i32_constant:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: v_mul_u32_u24{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[popcount]], 5
@@ -26,11 +27,12 @@
 }
 
 ; GCN-LABEL: add_i32_uniform:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: s_mul_i32 s[[scalar_value:[0-9]+]], s{{[0-9]+}}, s[[popcount]]
@@ -63,11 +65,12 @@
 }
 
 ; GCN-LABEL: add_i64_constant:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: v_mul_hi_u32_u24{{(_e[0-9]+)?}} v[[value_hi:[0-9]+]], s[[popcount]], 5
@@ -81,13 +84,14 @@
 }
 
 ; GCN-LABEL: add_i64_uniform:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
-; GCN32: s_bcnt1_i32_b32 s{{[0-9]+}}, s[[exec_lo]]
-; GCN64: s_bcnt1_i32_b64 s{{[0-9]+}}, s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
+; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
+; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: {{flat|buffer|global}}_atomic_add_x2 v{{\[}}{{[0-9]+}}:{{[0-9]+}}{{\]}}
 define amdgpu_kernel void @add_i64_uniform(i64 addrspace(1)* %out, i64 addrspace(1)* %inout, i64 %additive) {
 entry:
@@ -111,11 +115,12 @@
 }
 
 ; GCN-LABEL: sub_i32_constant:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: v_mul_u32_u24{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[popcount]], 5
@@ -128,11 +133,12 @@
 }
 
 ; GCN-LABEL: sub_i32_uniform:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: s_mul_i32 s[[scalar_value:[0-9]+]], s{{[0-9]+}}, s[[popcount]]
@@ -165,11 +171,12 @@
 }
 
 ; GCN-LABEL: sub_i64_constant:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: v_mul_hi_u32_u24{{(_e[0-9]+)?}} v[[value_hi:[0-9]+]], s[[popcount]], 5
@@ -183,13 +190,14 @@
 }
 
 ; GCN-LABEL: sub_i64_uniform:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
-; GCN32: s_bcnt1_i32_b32 s{{[0-9]+}}, s[[exec_lo]]
-; GCN64: s_bcnt1_i32_b64 s{{[0-9]+}}, s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
+; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
+; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: {{flat|buffer|global}}_atomic_sub_x2 v{{\[}}{{[0-9]+}}:{{[0-9]+}}{{\]}}
 define amdgpu_kernel void @sub_i64_uniform(i64 addrspace(1)* %out, i64 addrspace(1)* %inout, i64 %subitive) {
 entry:
diff --git a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_local_pointer.ll b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_local_pointer.ll
--- a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_local_pointer.ll
+++ b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_local_pointer.ll
@@ -10,32 +10,32 @@
 @local_var32 = addrspace(3) global i32 undef, align 4
 @local_var64 = addrspace(3) global i64 undef, align 8
 
-; Show that what the atomic optimization pass will do for local pointers.
+; Show what the atomic optimization pass will do for local pointers.
 
 define amdgpu_kernel void @add_i32_constant(i32 addrspace(1)* %out) {
 ;
 ;
 ; GFX7LESS-LABEL: add_i32_constant:
 ; GFX7LESS:       ; %bb.0: ; %entry
+; GFX7LESS-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX7LESS-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x9
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
-; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s4, 0
-; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s5, v0
+; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
+; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s3, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX7LESS-NEXT:    ; implicit-def: $vgpr1
-; GFX7LESS-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX7LESS-NEXT:    s_and_saveexec_b64 s[4:5], vcc
 ; GFX7LESS-NEXT:    s_cbranch_execz BB0_2
 ; GFX7LESS-NEXT:  ; %bb.1:
-; GFX7LESS-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX7LESS-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX7LESS-NEXT:    v_mov_b32_e32 v1, local_var32@abs32@lo
-; GFX7LESS-NEXT:    v_mul_u32_u24_e64 v2, s4, 5
+; GFX7LESS-NEXT:    v_mul_u32_u24_e64 v2, s2, 5
 ; GFX7LESS-NEXT:    s_mov_b32 m0, -1
 ; GFX7LESS-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX7LESS-NEXT:    ds_add_rtn_u32 v1, v1, v2
 ; GFX7LESS-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX7LESS-NEXT:    buffer_wbinvl1
 ; GFX7LESS-NEXT:  BB0_2:
-; GFX7LESS-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX7LESS-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX7LESS-NEXT:    v_readfirstlane_b32 s2, v1
 ; GFX7LESS-NEXT:    s_mov_b32 s3, 0xf000
 ; GFX7LESS-NEXT:    v_mad_u32_u24 v0, v0, 5, s2
@@ -47,16 +47,16 @@
 ; GFX8-LABEL: add_i32_constant:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s4, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s5, v0
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX8-NEXT:    ; implicit-def: $vgpr1
-; GFX8-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX8-NEXT:    s_and_saveexec_b64 s[4:5], vcc
 ; GFX8-NEXT:    s_cbranch_execz BB0_2
 ; GFX8-NEXT:  ; %bb.1:
-; GFX8-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
-; GFX8-NEXT:    v_mul_u32_u24_e64 v1, s4, 5
+; GFX8-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX8-NEXT:    v_mul_u32_u24_e64 v1, s2, 5
 ; GFX8-NEXT:    v_mov_b32_e32 v2, local_var32@abs32@lo
 ; GFX8-NEXT:    s_mov_b32 m0, -1
 ; GFX8-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
@@ -64,7 +64,7 @@
 ; GFX8-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX8-NEXT:    buffer_wbinvl1_vol
 ; GFX8-NEXT:  BB0_2:
-; GFX8-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX8-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX8-NEXT:    v_readfirstlane_b32 s2, v1
 ; GFX8-NEXT:    v_mad_u32_u24 v0, v0, 5, s2
 ; GFX8-NEXT:    s_mov_b32 s3, 0xf000
@@ -77,23 +77,23 @@
 ; GFX9-LABEL: add_i32_constant:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s4, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s5, v0
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX9-NEXT:    ; implicit-def: $vgpr1
-; GFX9-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX9-NEXT:    s_and_saveexec_b64 s[4:5], vcc
 ; GFX9-NEXT:    s_cbranch_execz BB0_2
 ; GFX9-NEXT:  ; %bb.1:
-; GFX9-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
-; GFX9-NEXT:    v_mul_u32_u24_e64 v1, s4, 5
+; GFX9-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX9-NEXT:    v_mul_u32_u24_e64 v1, s2, 5
 ; GFX9-NEXT:    v_mov_b32_e32 v2, local_var32@abs32@lo
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX9-NEXT:    ds_add_rtn_u32 v1, v2, v1
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX9-NEXT:    buffer_wbinvl1_vol
 ; GFX9-NEXT:  BB0_2:
-; GFX9-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX9-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX9-NEXT:    v_readfirstlane_b32 s2, v1
 ; GFX9-NEXT:    v_mad_u32_u24 v0, v0, 5, s2
 ; GFX9-NEXT:    s_mov_b32 s3, 0xf000
@@ -105,18 +105,18 @@
 ;
 ; GFX1064-LABEL: add_i32_constant:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
 ; GFX1064-NEXT:    ; implicit-def: $vgpr1
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s4, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s5, v0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
-; GFX1064-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX1064-NEXT:    s_and_saveexec_b64 s[4:5], vcc
 ; GFX1064-NEXT:    s_cbranch_execz BB0_2
 ; GFX1064-NEXT:  ; %bb.1:
-; GFX1064-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1064-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, local_var32@abs32@lo
-; GFX1064-NEXT:    v_mul_u32_u24_e64 v1, s4, 5
+; GFX1064-NEXT:    v_mul_u32_u24_e64 v1, s2, 5
 ; GFX1064-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX1064-NEXT:    s_waitcnt_vscnt null, 0x0
 ; GFX1064-NEXT:    ds_add_rtn_u32 v1, v2, v1
@@ -125,7 +125,7 @@
 ; GFX1064-NEXT:    buffer_gl1_inv
 ; GFX1064-NEXT:  BB0_2:
 ; GFX1064-NEXT:    v_nop
-; GFX1064-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1064-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX1064-NEXT:    v_readfirstlane_b32 s2, v1
 ; GFX1064-NEXT:    s_mov_b32 s3, 0x31016000
 ; GFX1064-NEXT:    v_mad_u32_u24 v0, v0, 5, s2
@@ -138,17 +138,17 @@
 ; GFX1032-LABEL: add_i32_constant:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s3, 1, 0
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    ; implicit-def: $vgpr1
-; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s3, 0
+; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v0
-; GFX1032-NEXT:    s_and_saveexec_b32 s2, vcc_lo
+; GFX1032-NEXT:    s_and_saveexec_b32 s3, vcc_lo
 ; GFX1032-NEXT:    s_cbranch_execz BB0_2
 ; GFX1032-NEXT:  ; %bb.1:
-; GFX1032-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX1032-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, local_var32@abs32@lo
-; GFX1032-NEXT:    v_mul_u32_u24_e64 v1, s3, 5
+; GFX1032-NEXT:    v_mul_u32_u24_e64 v1, s2, 5
 ; GFX1032-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX1032-NEXT:    s_waitcnt_vscnt null, 0x0
 ; GFX1032-NEXT:    ds_add_rtn_u32 v1, v2, v1
@@ -157,7 +157,7 @@
 ; GFX1032-NEXT:    buffer_gl1_inv
 ; GFX1032-NEXT:  BB0_2:
 ; GFX1032-NEXT:    v_nop
-; GFX1032-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX1032-NEXT:    s_or_b32 exec_lo, exec_lo, s3
 ; GFX1032-NEXT:    v_readfirstlane_b32 s2, v1
 ; GFX1032-NEXT:    s_mov_b32 s3, 0x31016000
 ; GFX1032-NEXT:    v_mad_u32_u24 v0, v0, 5, s2
@@ -177,9 +177,9 @@
 ;
 ; GFX7LESS-LABEL: add_i32_uniform:
 ; GFX7LESS:       ; %bb.0: ; %entry
+; GFX7LESS-NEXT:    s_mov_b64 s[6:7], exec
 ; GFX7LESS-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x9
 ; GFX7LESS-NEXT:    s_load_dword s2, s[0:1], 0xb
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
 ; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s6, 0
 ; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s7, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -212,15 +212,15 @@
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x24
 ; GFX8-NEXT:    s_load_dword s0, s[0:1], 0x2c
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s6, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s7, v0
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX8-NEXT:    ; implicit-def: $vgpr1
-; GFX8-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX8-NEXT:    s_and_saveexec_b64 s[6:7], vcc
 ; GFX8-NEXT:    s_cbranch_execz BB1_2
 ; GFX8-NEXT:  ; %bb.1:
-; GFX8-NEXT:    s_bcnt1_i32_b64 s1, s[6:7]
+; GFX8-NEXT:    s_bcnt1_i32_b64 s1, s[2:3]
 ; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX8-NEXT:    s_mul_i32 s1, s0, s1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, local_var32@abs32@lo
@@ -231,7 +231,7 @@
 ; GFX8-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX8-NEXT:    buffer_wbinvl1_vol
 ; GFX8-NEXT:  BB1_2:
-; GFX8-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX8-NEXT:    s_or_b64 exec, exec, s[6:7]
 ; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX8-NEXT:    v_mul_lo_u32 v0, s0, v0
 ; GFX8-NEXT:    v_readfirstlane_b32 s0, v1
@@ -245,15 +245,15 @@
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x24
 ; GFX9-NEXT:    s_load_dword s0, s[0:1], 0x2c
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s6, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s7, v0
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX9-NEXT:    ; implicit-def: $vgpr1
-; GFX9-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX9-NEXT:    s_and_saveexec_b64 s[6:7], vcc
 ; GFX9-NEXT:    s_cbranch_execz BB1_2
 ; GFX9-NEXT:  ; %bb.1:
-; GFX9-NEXT:    s_bcnt1_i32_b64 s1, s[6:7]
+; GFX9-NEXT:    s_bcnt1_i32_b64 s1, s[2:3]
 ; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX9-NEXT:    s_mul_i32 s1, s0, s1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, local_var32@abs32@lo
@@ -263,7 +263,7 @@
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX9-NEXT:    buffer_wbinvl1_vol
 ; GFX9-NEXT:  BB1_2:
-; GFX9-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX9-NEXT:    s_or_b64 exec, exec, s[6:7]
 ; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX9-NEXT:    v_mul_lo_u32 v0, s0, v0
 ; GFX9-NEXT:    v_readfirstlane_b32 s0, v1
@@ -275,17 +275,17 @@
 ;
 ; GFX1064-LABEL: add_i32_uniform:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x24
 ; GFX1064-NEXT:    s_load_dword s0, s[0:1], 0x2c
 ; GFX1064-NEXT:    ; implicit-def: $vgpr1
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s6, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s7, v0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
-; GFX1064-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX1064-NEXT:    s_and_saveexec_b64 s[6:7], vcc
 ; GFX1064-NEXT:    s_cbranch_execz BB1_2
 ; GFX1064-NEXT:  ; %bb.1:
-; GFX1064-NEXT:    s_bcnt1_i32_b64 s1, s[6:7]
+; GFX1064-NEXT:    s_bcnt1_i32_b64 s1, s[2:3]
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, local_var32@abs32@lo
 ; GFX1064-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1064-NEXT:    s_mul_i32 s1, s0, s1
@@ -298,7 +298,7 @@
 ; GFX1064-NEXT:    buffer_gl1_inv
 ; GFX1064-NEXT:  BB1_2:
 ; GFX1064-NEXT:    v_nop
-; GFX1064-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1064-NEXT:    s_or_b64 exec, exec, s[6:7]
 ; GFX1064-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1064-NEXT:    v_mul_lo_u32 v0, s0, v0
 ; GFX1064-NEXT:    v_readfirstlane_b32 s0, v1
@@ -312,7 +312,7 @@
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x24
 ; GFX1032-NEXT:    s_load_dword s0, s[0:1], 0x2c
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    ; implicit-def: $vgpr1
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
@@ -348,14 +348,6 @@
   ret void
 }
 
-; GFX7LESS-NOT: v_mbcnt_lo_u32_b32
-; GFX7LESS-NOT: v_mbcnt_hi_u32_b32
-; GFX7LESS-NOT: s_bcnt1_i32_b64
-; DPPCOMB: v_add_u32_dpp
-; DPPCOMB: v_add_u32_dpp
-; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
-; GFX8MORE: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
-; GFX8MORE: ds_add_rtn_u32 v{{[0-9]+}}, v{{[0-9]+}}, v[[value]]
 define amdgpu_kernel void @add_i32_varying(i32 addrspace(1)* %out) {
 ;
 ;
@@ -376,11 +368,11 @@
 ; GFX8-LABEL: add_i32_varying:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
-; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX8-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, 0
-; GFX8-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX8-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    s_not_b64 exec, exec
@@ -429,11 +421,11 @@
 ; GFX9-LABEL: add_i32_varying:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
-; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX9-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, 0
-; GFX9-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX9-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    s_not_b64 exec, exec
@@ -481,11 +473,11 @@
 ; GFX1064-LABEL: add_i32_varying:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX1064-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    s_not_b64 exec, exec
@@ -540,12 +532,12 @@
 ; GFX1032-LABEL: add_i32_varying:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
+; GFX1032-NEXT:    s_or_saveexec_b32 s3, -1
 ; GFX1032-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    s_mov_b32 exec_lo, s3
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    s_not_b32 exec_lo, exec_lo
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, 0
@@ -615,11 +607,11 @@
 ; GFX8-LABEL: add_i32_varying_gfx1032:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
-; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX8-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, 0
-; GFX8-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX8-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    s_not_b64 exec, exec
@@ -668,11 +660,11 @@
 ; GFX9-LABEL: add_i32_varying_gfx1032:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
-; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX9-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, 0
-; GFX9-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX9-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    s_not_b64 exec, exec
@@ -720,11 +712,11 @@
 ; GFX1064-LABEL: add_i32_varying_gfx1032:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX1064-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    s_not_b64 exec, exec
@@ -779,12 +771,12 @@
 ; GFX1032-LABEL: add_i32_varying_gfx1032:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
+; GFX1032-NEXT:    s_or_saveexec_b32 s3, -1
 ; GFX1032-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    s_mov_b32 exec_lo, s3
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    s_not_b32 exec_lo, exec_lo
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, 0
@@ -854,11 +846,11 @@
 ; GFX8-LABEL: add_i32_varying_gfx1064:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
-; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX8-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, 0
-; GFX8-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX8-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    s_not_b64 exec, exec
@@ -907,11 +899,11 @@
 ; GFX9-LABEL: add_i32_varying_gfx1064:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
-; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX9-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, 0
-; GFX9-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX9-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    s_not_b64 exec, exec
@@ -959,11 +951,11 @@
 ; GFX1064-LABEL: add_i32_varying_gfx1064:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX1064-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    s_not_b64 exec, exec
@@ -1018,12 +1010,12 @@
 ; GFX1032-LABEL: add_i32_varying_gfx1064:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
+; GFX1032-NEXT:    s_or_saveexec_b32 s3, -1
 ; GFX1032-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    s_mov_b32 exec_lo, s3
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    s_not_b32 exec_lo, exec_lo
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, 0
@@ -1078,8 +1070,8 @@
 ;
 ; GFX7LESS-LABEL: add_i64_constant:
 ; GFX7LESS:       ; %bb.0: ; %entry
+; GFX7LESS-NEXT:    s_mov_b64 s[4:5], exec
 ; GFX7LESS-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x9
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
 ; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s4, 0
 ; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s5, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -1114,7 +1106,7 @@
 ; GFX8-LABEL: add_i64_constant:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
+; GFX8-NEXT:    s_mov_b64 s[4:5], exec
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s4, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s5, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -1148,7 +1140,7 @@
 ; GFX9-LABEL: add_i64_constant:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
+; GFX9-NEXT:    s_mov_b64 s[4:5], exec
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s4, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s5, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -1180,7 +1172,7 @@
 ;
 ; GFX1064-LABEL: add_i64_constant:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
+; GFX1064-NEXT:    s_mov_b64 s[4:5], exec
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
 ; GFX1064-NEXT:    ; implicit-def: $vgpr1_vgpr2
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s4, 0
@@ -1215,7 +1207,7 @@
 ; GFX1032-LABEL: add_i64_constant:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s3, 1, 0
+; GFX1032-NEXT:    s_mov_b32 s3, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    ; implicit-def: $vgpr1_vgpr2
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s3, 0
@@ -1256,8 +1248,8 @@
 ;
 ; GFX7LESS-LABEL: add_i64_uniform:
 ; GFX7LESS:       ; %bb.0: ; %entry
+; GFX7LESS-NEXT:    s_mov_b64 s[6:7], exec
 ; GFX7LESS-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x9
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
 ; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s6, 0
 ; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s7, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -1301,7 +1293,7 @@
 ; GFX8-LABEL: add_i64_uniform:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
+; GFX8-NEXT:    s_mov_b64 s[6:7], exec
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s6, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s7, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -1345,7 +1337,7 @@
 ; GFX9-LABEL: add_i64_uniform:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
+; GFX9-NEXT:    s_mov_b64 s[6:7], exec
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s6, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s7, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -1387,7 +1379,7 @@
 ;
 ; GFX1064-LABEL: add_i64_uniform:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
+; GFX1064-NEXT:    s_mov_b64 s[6:7], exec
 ; GFX1064-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x24
 ; GFX1064-NEXT:    ; implicit-def: $vgpr1_vgpr2
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s6, 0
@@ -1431,7 +1423,7 @@
 ; GFX1032-LABEL: add_i64_uniform:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s5, 1, 0
+; GFX1032-NEXT:    s_mov_b32 s5, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    ; implicit-def: $vgpr1_vgpr2
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s5, 0
@@ -1571,25 +1563,25 @@
 ;
 ; GFX7LESS-LABEL: sub_i32_constant:
 ; GFX7LESS:       ; %bb.0: ; %entry
+; GFX7LESS-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX7LESS-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x9
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
-; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s4, 0
-; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s5, v0
+; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
+; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s3, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX7LESS-NEXT:    ; implicit-def: $vgpr1
-; GFX7LESS-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX7LESS-NEXT:    s_and_saveexec_b64 s[4:5], vcc
 ; GFX7LESS-NEXT:    s_cbranch_execz BB8_2
 ; GFX7LESS-NEXT:  ; %bb.1:
-; GFX7LESS-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX7LESS-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX7LESS-NEXT:    v_mov_b32_e32 v1, local_var32@abs32@lo
-; GFX7LESS-NEXT:    v_mul_u32_u24_e64 v2, s4, 5
+; GFX7LESS-NEXT:    v_mul_u32_u24_e64 v2, s2, 5
 ; GFX7LESS-NEXT:    s_mov_b32 m0, -1
 ; GFX7LESS-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX7LESS-NEXT:    ds_sub_rtn_u32 v1, v1, v2
 ; GFX7LESS-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX7LESS-NEXT:    buffer_wbinvl1
 ; GFX7LESS-NEXT:  BB8_2:
-; GFX7LESS-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX7LESS-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX7LESS-NEXT:    v_readfirstlane_b32 s2, v1
 ; GFX7LESS-NEXT:    v_mul_u32_u24_e32 v0, 5, v0
 ; GFX7LESS-NEXT:    s_mov_b32 s3, 0xf000
@@ -1602,16 +1594,16 @@
 ; GFX8-LABEL: sub_i32_constant:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s4, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s5, v0
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX8-NEXT:    ; implicit-def: $vgpr1
-; GFX8-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX8-NEXT:    s_and_saveexec_b64 s[4:5], vcc
 ; GFX8-NEXT:    s_cbranch_execz BB8_2
 ; GFX8-NEXT:  ; %bb.1:
-; GFX8-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
-; GFX8-NEXT:    v_mul_u32_u24_e64 v1, s4, 5
+; GFX8-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX8-NEXT:    v_mul_u32_u24_e64 v1, s2, 5
 ; GFX8-NEXT:    v_mov_b32_e32 v2, local_var32@abs32@lo
 ; GFX8-NEXT:    s_mov_b32 m0, -1
 ; GFX8-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
@@ -1619,7 +1611,7 @@
 ; GFX8-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX8-NEXT:    buffer_wbinvl1_vol
 ; GFX8-NEXT:  BB8_2:
-; GFX8-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX8-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX8-NEXT:    v_readfirstlane_b32 s2, v1
 ; GFX8-NEXT:    v_mul_u32_u24_e32 v0, 5, v0
 ; GFX8-NEXT:    v_sub_u32_e32 v0, vcc, s2, v0
@@ -1633,23 +1625,23 @@
 ; GFX9-LABEL: sub_i32_constant:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s4, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s5, v0
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX9-NEXT:    ; implicit-def: $vgpr1
-; GFX9-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX9-NEXT:    s_and_saveexec_b64 s[4:5], vcc
 ; GFX9-NEXT:    s_cbranch_execz BB8_2
 ; GFX9-NEXT:  ; %bb.1:
-; GFX9-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
-; GFX9-NEXT:    v_mul_u32_u24_e64 v1, s4, 5
+; GFX9-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
+; GFX9-NEXT:    v_mul_u32_u24_e64 v1, s2, 5
 ; GFX9-NEXT:    v_mov_b32_e32 v2, local_var32@abs32@lo
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX9-NEXT:    ds_sub_rtn_u32 v1, v2, v1
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX9-NEXT:    buffer_wbinvl1_vol
 ; GFX9-NEXT:  BB8_2:
-; GFX9-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX9-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX9-NEXT:    v_readfirstlane_b32 s2, v1
 ; GFX9-NEXT:    v_mul_u32_u24_e32 v0, 5, v0
 ; GFX9-NEXT:    v_sub_u32_e32 v0, s2, v0
@@ -1662,18 +1654,18 @@
 ;
 ; GFX1064-LABEL: sub_i32_constant:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
 ; GFX1064-NEXT:    ; implicit-def: $vgpr1
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s4, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s5, v0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
-; GFX1064-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX1064-NEXT:    s_and_saveexec_b64 s[4:5], vcc
 ; GFX1064-NEXT:    s_cbranch_execz BB8_2
 ; GFX1064-NEXT:  ; %bb.1:
-; GFX1064-NEXT:    s_bcnt1_i32_b64 s4, s[4:5]
+; GFX1064-NEXT:    s_bcnt1_i32_b64 s2, s[2:3]
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, local_var32@abs32@lo
-; GFX1064-NEXT:    v_mul_u32_u24_e64 v1, s4, 5
+; GFX1064-NEXT:    v_mul_u32_u24_e64 v1, s2, 5
 ; GFX1064-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX1064-NEXT:    s_waitcnt_vscnt null, 0x0
 ; GFX1064-NEXT:    ds_sub_rtn_u32 v1, v2, v1
@@ -1682,7 +1674,7 @@
 ; GFX1064-NEXT:    buffer_gl1_inv
 ; GFX1064-NEXT:  BB8_2:
 ; GFX1064-NEXT:    v_nop
-; GFX1064-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1064-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX1064-NEXT:    v_readfirstlane_b32 s2, v1
 ; GFX1064-NEXT:    v_mul_u32_u24_e32 v0, 5, v0
 ; GFX1064-NEXT:    s_mov_b32 s3, 0x31016000
@@ -1696,17 +1688,17 @@
 ; GFX1032-LABEL: sub_i32_constant:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s3, 1, 0
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    ; implicit-def: $vgpr1
-; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s3, 0
+; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v0
-; GFX1032-NEXT:    s_and_saveexec_b32 s2, vcc_lo
+; GFX1032-NEXT:    s_and_saveexec_b32 s3, vcc_lo
 ; GFX1032-NEXT:    s_cbranch_execz BB8_2
 ; GFX1032-NEXT:  ; %bb.1:
-; GFX1032-NEXT:    s_bcnt1_i32_b32 s3, s3
+; GFX1032-NEXT:    s_bcnt1_i32_b32 s2, s2
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, local_var32@abs32@lo
-; GFX1032-NEXT:    v_mul_u32_u24_e64 v1, s3, 5
+; GFX1032-NEXT:    v_mul_u32_u24_e64 v1, s2, 5
 ; GFX1032-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX1032-NEXT:    s_waitcnt_vscnt null, 0x0
 ; GFX1032-NEXT:    ds_sub_rtn_u32 v1, v2, v1
@@ -1715,7 +1707,7 @@
 ; GFX1032-NEXT:    buffer_gl1_inv
 ; GFX1032-NEXT:  BB8_2:
 ; GFX1032-NEXT:    v_nop
-; GFX1032-NEXT:    s_or_b32 exec_lo, exec_lo, s2
+; GFX1032-NEXT:    s_or_b32 exec_lo, exec_lo, s3
 ; GFX1032-NEXT:    v_readfirstlane_b32 s2, v1
 ; GFX1032-NEXT:    v_mul_u32_u24_e32 v0, 5, v0
 ; GFX1032-NEXT:    s_mov_b32 s3, 0x31016000
@@ -1736,9 +1728,9 @@
 ;
 ; GFX7LESS-LABEL: sub_i32_uniform:
 ; GFX7LESS:       ; %bb.0: ; %entry
+; GFX7LESS-NEXT:    s_mov_b64 s[6:7], exec
 ; GFX7LESS-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x9
 ; GFX7LESS-NEXT:    s_load_dword s2, s[0:1], 0xb
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
 ; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s6, 0
 ; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s7, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -1771,15 +1763,15 @@
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x24
 ; GFX8-NEXT:    s_load_dword s0, s[0:1], 0x2c
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s6, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s7, v0
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX8-NEXT:    ; implicit-def: $vgpr1
-; GFX8-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX8-NEXT:    s_and_saveexec_b64 s[6:7], vcc
 ; GFX8-NEXT:    s_cbranch_execz BB9_2
 ; GFX8-NEXT:  ; %bb.1:
-; GFX8-NEXT:    s_bcnt1_i32_b64 s1, s[6:7]
+; GFX8-NEXT:    s_bcnt1_i32_b64 s1, s[2:3]
 ; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX8-NEXT:    s_mul_i32 s1, s0, s1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, local_var32@abs32@lo
@@ -1790,7 +1782,7 @@
 ; GFX8-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX8-NEXT:    buffer_wbinvl1_vol
 ; GFX8-NEXT:  BB9_2:
-; GFX8-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX8-NEXT:    s_or_b64 exec, exec, s[6:7]
 ; GFX8-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX8-NEXT:    v_mul_lo_u32 v0, s0, v0
 ; GFX8-NEXT:    v_readfirstlane_b32 s0, v1
@@ -1804,15 +1796,15 @@
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x24
 ; GFX9-NEXT:    s_load_dword s0, s[0:1], 0x2c
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s6, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s7, v0
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX9-NEXT:    ; implicit-def: $vgpr1
-; GFX9-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX9-NEXT:    s_and_saveexec_b64 s[6:7], vcc
 ; GFX9-NEXT:    s_cbranch_execz BB9_2
 ; GFX9-NEXT:  ; %bb.1:
-; GFX9-NEXT:    s_bcnt1_i32_b64 s1, s[6:7]
+; GFX9-NEXT:    s_bcnt1_i32_b64 s1, s[2:3]
 ; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX9-NEXT:    s_mul_i32 s1, s0, s1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, local_var32@abs32@lo
@@ -1822,7 +1814,7 @@
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX9-NEXT:    buffer_wbinvl1_vol
 ; GFX9-NEXT:  BB9_2:
-; GFX9-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX9-NEXT:    s_or_b64 exec, exec, s[6:7]
 ; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX9-NEXT:    v_mul_lo_u32 v0, s0, v0
 ; GFX9-NEXT:    v_readfirstlane_b32 s0, v1
@@ -1834,17 +1826,17 @@
 ;
 ; GFX1064-LABEL: sub_i32_uniform:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x24
 ; GFX1064-NEXT:    s_load_dword s0, s[0:1], 0x2c
 ; GFX1064-NEXT:    ; implicit-def: $vgpr1
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s6, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s7, v0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
-; GFX1064-NEXT:    s_and_saveexec_b64 s[2:3], vcc
+; GFX1064-NEXT:    s_and_saveexec_b64 s[6:7], vcc
 ; GFX1064-NEXT:    s_cbranch_execz BB9_2
 ; GFX1064-NEXT:  ; %bb.1:
-; GFX1064-NEXT:    s_bcnt1_i32_b64 s1, s[6:7]
+; GFX1064-NEXT:    s_bcnt1_i32_b64 s1, s[2:3]
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, local_var32@abs32@lo
 ; GFX1064-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1064-NEXT:    s_mul_i32 s1, s0, s1
@@ -1857,7 +1849,7 @@
 ; GFX1064-NEXT:    buffer_gl1_inv
 ; GFX1064-NEXT:  BB9_2:
 ; GFX1064-NEXT:    v_nop
-; GFX1064-NEXT:    s_or_b64 exec, exec, s[2:3]
+; GFX1064-NEXT:    s_or_b64 exec, exec, s[6:7]
 ; GFX1064-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX1064-NEXT:    v_mul_lo_u32 v0, s0, v0
 ; GFX1064-NEXT:    v_readfirstlane_b32 s0, v1
@@ -1871,7 +1863,7 @@
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x24
 ; GFX1032-NEXT:    s_load_dword s0, s[0:1], 0x2c
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    ; implicit-def: $vgpr1
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
@@ -1907,14 +1899,6 @@
   ret void
 }
 
-; GFX7LESS-NOT: v_mbcnt_lo_u32_b32
-; GFX7LESS-NOT: v_mbcnt_hi_u32_b32
-; GFX7LESS-NOT: s_bcnt1_i32_b64
-; DPPCOMB: v_add_u32_dpp
-; DPPCOMB: v_add_u32_dpp
-; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
-; GFX8MORE: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
-; GFX8MORE: ds_sub_rtn_u32 v{{[0-9]+}}, v{{[0-9]+}}, v[[value]]
 define amdgpu_kernel void @sub_i32_varying(i32 addrspace(1)* %out) {
 ;
 ;
@@ -1935,11 +1919,11 @@
 ; GFX8-LABEL: sub_i32_varying:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
-; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX8-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, 0
-; GFX8-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX8-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    s_not_b64 exec, exec
@@ -1988,11 +1972,11 @@
 ; GFX9-LABEL: sub_i32_varying:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
-; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX9-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, 0
-; GFX9-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX9-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    s_not_b64 exec, exec
@@ -2040,11 +2024,11 @@
 ; GFX1064-LABEL: sub_i32_varying:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX1064-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    s_not_b64 exec, exec
@@ -2099,12 +2083,12 @@
 ; GFX1032-LABEL: sub_i32_varying:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
+; GFX1032-NEXT:    s_or_saveexec_b32 s3, -1
 ; GFX1032-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    s_mov_b32 exec_lo, s3
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    s_not_b32 exec_lo, exec_lo
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, 0
@@ -2159,8 +2143,8 @@
 ;
 ; GFX7LESS-LABEL: sub_i64_constant:
 ; GFX7LESS:       ; %bb.0: ; %entry
+; GFX7LESS-NEXT:    s_mov_b64 s[4:5], exec
 ; GFX7LESS-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x9
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
 ; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s4, 0
 ; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s5, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -2195,7 +2179,7 @@
 ; GFX8-LABEL: sub_i64_constant:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
+; GFX8-NEXT:    s_mov_b64 s[4:5], exec
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s4, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s5, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -2230,7 +2214,7 @@
 ; GFX9-LABEL: sub_i64_constant:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
+; GFX9-NEXT:    s_mov_b64 s[4:5], exec
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s4, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s5, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -2263,7 +2247,7 @@
 ;
 ; GFX1064-LABEL: sub_i64_constant:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[4:5], 1, 0
+; GFX1064-NEXT:    s_mov_b64 s[4:5], exec
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
 ; GFX1064-NEXT:    ; implicit-def: $vgpr1_vgpr2
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s4, 0
@@ -2300,7 +2284,7 @@
 ; GFX1032-LABEL: sub_i64_constant:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s3, 1, 0
+; GFX1032-NEXT:    s_mov_b32 s3, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    ; implicit-def: $vgpr1_vgpr2
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s3, 0
@@ -2343,8 +2327,8 @@
 ;
 ; GFX7LESS-LABEL: sub_i64_uniform:
 ; GFX7LESS:       ; %bb.0: ; %entry
+; GFX7LESS-NEXT:    s_mov_b64 s[6:7], exec
 ; GFX7LESS-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x9
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
 ; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s6, 0
 ; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s7, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -2388,7 +2372,7 @@
 ; GFX8-LABEL: sub_i64_uniform:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
+; GFX8-NEXT:    s_mov_b64 s[6:7], exec
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s6, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s7, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -2432,7 +2416,7 @@
 ; GFX9-LABEL: sub_i64_uniform:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
+; GFX9-NEXT:    s_mov_b64 s[6:7], exec
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s6, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s7, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -2474,7 +2458,7 @@
 ;
 ; GFX1064-LABEL: sub_i64_uniform:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[6:7], 1, 0
+; GFX1064-NEXT:    s_mov_b64 s[6:7], exec
 ; GFX1064-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x24
 ; GFX1064-NEXT:    ; implicit-def: $vgpr1_vgpr2
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s6, 0
@@ -2518,7 +2502,7 @@
 ; GFX1032-LABEL: sub_i64_uniform:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx4 s[0:3], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s5, 1, 0
+; GFX1032-NEXT:    s_mov_b32 s5, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    ; implicit-def: $vgpr1_vgpr2
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s5, 0
@@ -2653,9 +2637,6 @@
   ret void
 }
 
-; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
-; GFX8MORE: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
-; GFX8MORE: ds_and_rtn_b32 v{{[0-9]+}}, v{{[0-9]+}}, v[[value]]
 define amdgpu_kernel void @and_i32_varying(i32 addrspace(1)* %out) {
 ;
 ;
@@ -2676,9 +2657,8 @@
 ; GFX8-LABEL: and_i32_varying:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v3, s2, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v3, s3, v3
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v3, exec_lo, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v3, exec_hi, v3
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
 ; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, -1
@@ -2729,9 +2709,8 @@
 ; GFX9-LABEL: and_i32_varying:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v3, s2, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v3, s3, v3
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v3, exec_lo, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v3, exec_hi, v3
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
 ; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, -1
@@ -2781,10 +2760,9 @@
 ; GFX1064-LABEL: and_i32_varying:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, exec_lo, 0
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, s2, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v4, s3, v4
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v4, exec_hi, v4
 ; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, -1
 ; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
@@ -2840,10 +2818,9 @@
 ; GFX1032-LABEL: and_i32_varying:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, exec_lo, 0
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, s2, 0
 ; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
 ; GFX1032-NEXT:    v_mov_b32_e32 v1, -1
 ; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
@@ -2895,9 +2872,6 @@
   ret void
 }
 
-; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
-; GFX8MORE: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
-; GFX8MORE: ds_or_rtn_b32 v{{[0-9]+}}, v{{[0-9]+}}, v[[value]]
 define amdgpu_kernel void @or_i32_varying(i32 addrspace(1)* %out) {
 ;
 ;
@@ -2918,11 +2892,11 @@
 ; GFX8-LABEL: or_i32_varying:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
-; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX8-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, 0
-; GFX8-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX8-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    s_not_b64 exec, exec
@@ -2971,11 +2945,11 @@
 ; GFX9-LABEL: or_i32_varying:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
-; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX9-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, 0
-; GFX9-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX9-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    s_not_b64 exec, exec
@@ -3023,11 +2997,11 @@
 ; GFX1064-LABEL: or_i32_varying:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX1064-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    s_not_b64 exec, exec
@@ -3082,12 +3056,12 @@
 ; GFX1032-LABEL: or_i32_varying:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
+; GFX1032-NEXT:    s_or_saveexec_b32 s3, -1
 ; GFX1032-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    s_mov_b32 exec_lo, s3
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    s_not_b32 exec_lo, exec_lo
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, 0
@@ -3137,9 +3111,6 @@
   ret void
 }
 
-; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
-; GFX8MORE: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
-; GFX8MORE: ds_xor_rtn_b32 v{{[0-9]+}}, v{{[0-9]+}}, v[[value]]
 define amdgpu_kernel void @xor_i32_varying(i32 addrspace(1)* %out) {
 ;
 ;
@@ -3160,11 +3131,11 @@
 ; GFX8-LABEL: xor_i32_varying:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
-; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX8-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, 0
-; GFX8-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX8-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    s_not_b64 exec, exec
@@ -3213,11 +3184,11 @@
 ; GFX9-LABEL: xor_i32_varying:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
-; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX9-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, 0
-; GFX9-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX9-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    s_not_b64 exec, exec
@@ -3265,11 +3236,11 @@
 ; GFX1064-LABEL: xor_i32_varying:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX1064-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    s_not_b64 exec, exec
@@ -3324,12 +3295,12 @@
 ; GFX1032-LABEL: xor_i32_varying:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
+; GFX1032-NEXT:    s_or_saveexec_b32 s3, -1
 ; GFX1032-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    s_mov_b32 exec_lo, s3
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    s_not_b32 exec_lo, exec_lo
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, 0
@@ -3379,9 +3350,6 @@
   ret void
 }
 
-; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
-; GFX8MORE: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
-; GFX8MORE: ds_max_rtn_i32 v{{[0-9]+}}, v{{[0-9]+}}, v[[value]]
 define amdgpu_kernel void @max_i32_varying(i32 addrspace(1)* %out) {
 ;
 ;
@@ -3402,9 +3370,8 @@
 ; GFX8-LABEL: max_i32_varying:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v3, s2, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v3, s3, v3
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v3, exec_lo, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v3, exec_hi, v3
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
 ; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX8-NEXT:    v_bfrev_b32_e32 v1, 1
@@ -3455,9 +3422,8 @@
 ; GFX9-LABEL: max_i32_varying:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v3, s2, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v3, s3, v3
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v3, exec_lo, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v3, exec_hi, v3
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
 ; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX9-NEXT:    v_bfrev_b32_e32 v1, 1
@@ -3507,10 +3473,9 @@
 ; GFX1064-LABEL: max_i32_varying:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, exec_lo, 0
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, s2, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v4, s3, v4
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v4, exec_hi, v4
 ; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX1064-NEXT:    v_bfrev_b32_e32 v1, 1
 ; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
@@ -3566,10 +3531,9 @@
 ; GFX1032-LABEL: max_i32_varying:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, exec_lo, 0
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, s2, 0
 ; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
 ; GFX1032-NEXT:    v_bfrev_b32_e32 v1, 1
 ; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
@@ -3627,9 +3591,8 @@
 ; GFX7LESS-LABEL: max_i64_constant:
 ; GFX7LESS:       ; %bb.0: ; %entry
 ; GFX7LESS-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x9
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
-; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s3, v0
+; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
+; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, exec_hi, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX7LESS-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX7LESS-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -3664,9 +3627,8 @@
 ; GFX8-LABEL: max_i64_constant:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, exec_lo, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, exec_hi, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX8-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX8-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -3701,9 +3663,8 @@
 ; GFX9-LABEL: max_i64_constant:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, exec_lo, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, exec_hi, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX9-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX9-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -3736,10 +3697,9 @@
 ;
 ; GFX1064-LABEL: max_i64_constant:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, exec_hi, v0
 ; GFX1064-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX1064-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX1064-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -3773,9 +3733,8 @@
 ; GFX1032-LABEL: max_i64_constant:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
-; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v0
 ; GFX1032-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX1032-NEXT:    s_and_saveexec_b32 s2, vcc_lo
@@ -3811,9 +3770,6 @@
   ret void
 }
 
-; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
-; GFX8MORE: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
-; GFX8MORE: ds_min_rtn_i32 v{{[0-9]+}}, v{{[0-9]+}}, v[[value]]
 define amdgpu_kernel void @min_i32_varying(i32 addrspace(1)* %out) {
 ;
 ;
@@ -3834,9 +3790,8 @@
 ; GFX8-LABEL: min_i32_varying:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v3, s2, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v3, s3, v3
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v3, exec_lo, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v3, exec_hi, v3
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
 ; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX8-NEXT:    v_bfrev_b32_e32 v1, -2
@@ -3887,9 +3842,8 @@
 ; GFX9-LABEL: min_i32_varying:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v3, s2, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v3, s3, v3
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v3, exec_lo, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v3, exec_hi, v3
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
 ; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX9-NEXT:    v_bfrev_b32_e32 v1, -2
@@ -3939,10 +3893,9 @@
 ; GFX1064-LABEL: min_i32_varying:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, exec_lo, 0
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, s2, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v4, s3, v4
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v4, exec_hi, v4
 ; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX1064-NEXT:    v_bfrev_b32_e32 v1, -2
 ; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
@@ -3998,10 +3951,9 @@
 ; GFX1032-LABEL: min_i32_varying:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, exec_lo, 0
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, s2, 0
 ; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
 ; GFX1032-NEXT:    v_bfrev_b32_e32 v1, -2
 ; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
@@ -4059,9 +4011,8 @@
 ; GFX7LESS-LABEL: min_i64_constant:
 ; GFX7LESS:       ; %bb.0: ; %entry
 ; GFX7LESS-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x9
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
-; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s3, v0
+; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
+; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, exec_hi, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX7LESS-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX7LESS-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -4096,9 +4047,8 @@
 ; GFX8-LABEL: min_i64_constant:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, exec_lo, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, exec_hi, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX8-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX8-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -4133,9 +4083,8 @@
 ; GFX9-LABEL: min_i64_constant:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, exec_lo, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, exec_hi, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX9-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX9-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -4168,10 +4117,9 @@
 ;
 ; GFX1064-LABEL: min_i64_constant:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, exec_hi, v0
 ; GFX1064-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX1064-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX1064-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -4205,9 +4153,8 @@
 ; GFX1032-LABEL: min_i64_constant:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
-; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v0
 ; GFX1032-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX1032-NEXT:    s_and_saveexec_b32 s2, vcc_lo
@@ -4243,9 +4190,6 @@
   ret void
 }
 
-; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
-; GFX8MORE: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
-; GFX8MORE: ds_max_rtn_u32 v{{[0-9]+}}, v{{[0-9]+}}, v[[value]]
 define amdgpu_kernel void @umax_i32_varying(i32 addrspace(1)* %out) {
 ;
 ;
@@ -4266,11 +4210,11 @@
 ; GFX8-LABEL: umax_i32_varying:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX8-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
-; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX8-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, 0
-; GFX8-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX8-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX8-NEXT:    s_not_b64 exec, exec
@@ -4319,11 +4263,11 @@
 ; GFX9-LABEL: umax_i32_varying:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX9-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
-; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX9-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, 0
-; GFX9-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX9-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
 ; GFX9-NEXT:    s_not_b64 exec, exec
@@ -4371,11 +4315,11 @@
 ; GFX1064-LABEL: umax_i32_varying:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1064-NEXT:    s_mov_b64 s[2:3], exec
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
+; GFX1064-NEXT:    s_or_saveexec_b64 s[4:5], -1
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    s_mov_b64 exec, s[4:5]
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
 ; GFX1064-NEXT:    s_not_b64 exec, exec
@@ -4430,12 +4374,12 @@
 ; GFX1032-LABEL: umax_i32_varying:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
+; GFX1032-NEXT:    s_mov_b32 s2, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
+; GFX1032-NEXT:    s_or_saveexec_b32 s3, -1
 ; GFX1032-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    s_mov_b32 exec_lo, s3
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    s_not_b32 exec_lo, exec_lo
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, 0
@@ -4491,9 +4435,8 @@
 ; GFX7LESS-LABEL: umax_i64_constant:
 ; GFX7LESS:       ; %bb.0: ; %entry
 ; GFX7LESS-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x9
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
-; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s3, v0
+; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
+; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, exec_hi, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX7LESS-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX7LESS-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -4527,9 +4470,8 @@
 ; GFX8-LABEL: umax_i64_constant:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, exec_lo, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, exec_hi, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX8-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX8-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -4563,9 +4505,8 @@
 ; GFX9-LABEL: umax_i64_constant:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, exec_lo, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, exec_hi, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX9-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX9-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -4597,10 +4538,9 @@
 ;
 ; GFX1064-LABEL: umax_i64_constant:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, exec_hi, v0
 ; GFX1064-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX1064-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX1064-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -4634,9 +4574,8 @@
 ; GFX1032-LABEL: umax_i64_constant:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
-; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v0
 ; GFX1032-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX1032-NEXT:    s_and_saveexec_b32 s2, vcc_lo
@@ -4672,9 +4611,6 @@
   ret void
 }
 
-; GFX8MORE32: v_readlane_b32 s[[scalar_value:[0-9]+]], v{{[0-9]+}}, 31
-; GFX8MORE: v_mov_b32{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[scalar_value]]
-; GFX8MORE: ds_min_rtn_u32 v{{[0-9]+}}, v{{[0-9]+}}, v[[value]]
 define amdgpu_kernel void @umin_i32_varying(i32 addrspace(1)* %out) {
 ;
 ;
@@ -4695,9 +4631,8 @@
 ; GFX8-LABEL: umin_i32_varying:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v3, s2, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v3, s3, v3
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v3, exec_lo, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v3, exec_hi, v3
 ; GFX8-NEXT:    v_mov_b32_e32 v2, v0
 ; GFX8-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, -1
@@ -4748,9 +4683,8 @@
 ; GFX9-LABEL: umin_i32_varying:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v3, s2, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v3, s3, v3
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v3, exec_lo, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v3, exec_hi, v3
 ; GFX9-NEXT:    v_mov_b32_e32 v2, v0
 ; GFX9-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, -1
@@ -4800,10 +4734,9 @@
 ; GFX1064-LABEL: umin_i32_varying:
 ; GFX1064:       ; %bb.0: ; %entry
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, exec_lo, 0
 ; GFX1064-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, s2, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v4, s3, v4
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v4, exec_hi, v4
 ; GFX1064-NEXT:    s_or_saveexec_b64 s[2:3], -1
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, -1
 ; GFX1064-NEXT:    s_mov_b64 exec, s[2:3]
@@ -4859,10 +4792,9 @@
 ; GFX1032-LABEL: umin_i32_varying:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, exec_lo, 0
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, v0
-; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v4, s2, 0
 ; GFX1032-NEXT:    s_or_saveexec_b32 s2, -1
 ; GFX1032-NEXT:    v_mov_b32_e32 v1, -1
 ; GFX1032-NEXT:    s_mov_b32 exec_lo, s2
@@ -4920,9 +4852,8 @@
 ; GFX7LESS-LABEL: umin_i64_constant:
 ; GFX7LESS:       ; %bb.0: ; %entry
 ; GFX7LESS-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x9
-; GFX7LESS-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
-; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s3, v0
+; GFX7LESS-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
+; GFX7LESS-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, exec_hi, v0
 ; GFX7LESS-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX7LESS-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX7LESS-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -4956,9 +4887,8 @@
 ; GFX8-LABEL: umin_i64_constant:
 ; GFX8:       ; %bb.0: ; %entry
 ; GFX8-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
-; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
+; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, exec_lo, 0
+; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, exec_hi, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX8-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX8-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -4992,9 +4922,8 @@
 ; GFX9-LABEL: umin_i64_constant:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
-; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s2, 0
-; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s3, v0
+; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, exec_lo, 0
+; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, exec_hi, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX9-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX9-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -5026,10 +4955,9 @@
 ;
 ; GFX1064-LABEL: umin_i64_constant:
 ; GFX1064:       ; %bb.0: ; %entry
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[2:3], 1, 0
 ; GFX1064-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
-; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s3, v0
+; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
+; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, exec_hi, v0
 ; GFX1064-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
 ; GFX1064-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX1064-NEXT:    s_and_saveexec_b64 s[2:3], vcc
@@ -5063,9 +4991,8 @@
 ; GFX1032-LABEL: umin_i64_constant:
 ; GFX1032:       ; %bb.0: ; %entry
 ; GFX1032-NEXT:    s_load_dwordx2 s[0:1], s[0:1], 0x24
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s2, 1, 0
+; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, exec_lo, 0
 ; GFX1032-NEXT:    ; implicit-def: $vcc_hi
-; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s2, 0
 ; GFX1032-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v0
 ; GFX1032-NEXT:    ; implicit-def: $vgpr0_vgpr1
 ; GFX1032-NEXT:    s_and_saveexec_b32 s2, vcc_lo
diff --git a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_pixelshader.ll b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_pixelshader.ll
--- a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_pixelshader.ll
+++ b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_pixelshader.ll
@@ -19,7 +19,7 @@
 ; GFX7-NEXT:    s_and_saveexec_b64 s[8:9], s[10:11]
 ; GFX7-NEXT:    s_cbranch_execz BB0_4
 ; GFX7-NEXT:  ; %bb.1:
-; GFX7-NEXT:    v_cmp_ne_u32_e64 s[12:13], 1, 0
+; GFX7-NEXT:    s_mov_b64 s[12:13], exec
 ; GFX7-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s12, 0
 ; GFX7-NEXT:    v_mbcnt_hi_u32_b32_e32 v0, s13, v0
 ; GFX7-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -52,7 +52,7 @@
 ; GFX8-NEXT:    s_and_saveexec_b64 s[8:9], s[10:11]
 ; GFX8-NEXT:    s_cbranch_execz BB0_4
 ; GFX8-NEXT:  ; %bb.1:
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[12:13], 1, 0
+; GFX8-NEXT:    s_mov_b64 s[12:13], exec
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s12, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s13, v0
 ; GFX8-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -85,7 +85,7 @@
 ; GFX9-NEXT:    s_and_saveexec_b64 s[8:9], s[10:11]
 ; GFX9-NEXT:    s_cbranch_execz BB0_4
 ; GFX9-NEXT:  ; %bb.1:
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[12:13], 1, 0
+; GFX9-NEXT:    s_mov_b64 s[12:13], exec
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s12, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s13, v0
 ; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v0
@@ -118,7 +118,7 @@
 ; GFX1064-NEXT:    s_and_saveexec_b64 s[8:9], s[10:11]
 ; GFX1064-NEXT:    s_cbranch_execz BB0_4
 ; GFX1064-NEXT:  ; %bb.1:
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[12:13], 1, 0
+; GFX1064-NEXT:    s_mov_b64 s[12:13], exec
 ; GFX1064-NEXT:    ; implicit-def: $vgpr1
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s12, 0
 ; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s13, v0
@@ -153,7 +153,7 @@
 ; GFX1032-NEXT:    s_and_saveexec_b32 s8, s9
 ; GFX1032-NEXT:    s_cbranch_execz BB0_4
 ; GFX1032-NEXT:  ; %bb.1:
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s10, 1, 0
+; GFX1032-NEXT:    s_mov_b32 s10, exec_lo
 ; GFX1032-NEXT:    ; implicit-def: $vgpr1
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s10, 0
 ; GFX1032-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v0
@@ -213,10 +213,10 @@
 ; GFX8-NEXT:    s_and_saveexec_b64 s[8:9], s[10:11]
 ; GFX8-NEXT:    s_cbranch_execz BB1_4
 ; GFX8-NEXT:  ; %bb.1:
-; GFX8-NEXT:    s_or_saveexec_b64 s[10:11], -1
+; GFX8-NEXT:    s_mov_b64 s[10:11], exec
+; GFX8-NEXT:    s_or_saveexec_b64 s[12:13], -1
 ; GFX8-NEXT:    v_mov_b32_e32 v1, 0
-; GFX8-NEXT:    s_mov_b64 exec, s[10:11]
-; GFX8-NEXT:    v_cmp_ne_u32_e64 s[10:11], 1, 0
+; GFX8-NEXT:    s_mov_b64 exec, s[12:13]
 ; GFX8-NEXT:    v_mbcnt_lo_u32_b32 v0, s10, 0
 ; GFX8-NEXT:    v_mbcnt_hi_u32_b32 v0, s11, v0
 ; GFX8-NEXT:    s_not_b64 exec, exec
@@ -270,10 +270,10 @@
 ; GFX9-NEXT:    s_and_saveexec_b64 s[8:9], s[10:11]
 ; GFX9-NEXT:    s_cbranch_execz BB1_4
 ; GFX9-NEXT:  ; %bb.1:
-; GFX9-NEXT:    s_or_saveexec_b64 s[10:11], -1
+; GFX9-NEXT:    s_mov_b64 s[10:11], exec
+; GFX9-NEXT:    s_or_saveexec_b64 s[12:13], -1
 ; GFX9-NEXT:    v_mov_b32_e32 v1, 0
-; GFX9-NEXT:    s_mov_b64 exec, s[10:11]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[10:11], 1, 0
+; GFX9-NEXT:    s_mov_b64 exec, s[12:13]
 ; GFX9-NEXT:    v_mbcnt_lo_u32_b32 v0, s10, 0
 ; GFX9-NEXT:    v_mbcnt_hi_u32_b32 v0, s11, v0
 ; GFX9-NEXT:    s_not_b64 exec, exec
@@ -327,10 +327,10 @@
 ; GFX1064-NEXT:    s_and_saveexec_b64 s[8:9], s[10:11]
 ; GFX1064-NEXT:    s_cbranch_execz BB1_4
 ; GFX1064-NEXT:  ; %bb.1:
-; GFX1064-NEXT:    s_or_saveexec_b64 s[10:11], -1
+; GFX1064-NEXT:    s_mov_b64 s[10:11], exec
+; GFX1064-NEXT:    s_or_saveexec_b64 s[12:13], -1
 ; GFX1064-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1064-NEXT:    s_mov_b64 exec, s[10:11]
-; GFX1064-NEXT:    v_cmp_ne_u32_e64 s[10:11], 1, 0
+; GFX1064-NEXT:    s_mov_b64 exec, s[12:13]
 ; GFX1064-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s10, 0
 ; GFX1064-NEXT:    v_mbcnt_hi_u32_b32_e64 v0, s11, v0
 ; GFX1064-NEXT:    s_not_b64 exec, exec
@@ -389,10 +389,10 @@
 ; GFX1032-NEXT:    s_and_saveexec_b32 s8, s9
 ; GFX1032-NEXT:    s_cbranch_execz BB1_4
 ; GFX1032-NEXT:  ; %bb.1:
-; GFX1032-NEXT:    s_or_saveexec_b32 s9, -1
+; GFX1032-NEXT:    s_mov_b32 s9, exec_lo
+; GFX1032-NEXT:    s_or_saveexec_b32 s10, -1
 ; GFX1032-NEXT:    v_mov_b32_e32 v1, 0
-; GFX1032-NEXT:    s_mov_b32 exec_lo, s9
-; GFX1032-NEXT:    v_cmp_ne_u32_e64 s9, 1, 0
+; GFX1032-NEXT:    s_mov_b32 exec_lo, s10
 ; GFX1032-NEXT:    v_mbcnt_lo_u32_b32_e64 v0, s9, 0
 ; GFX1032-NEXT:    s_not_b32 exec_lo, exec_lo
 ; GFX1032-NEXT:    v_mov_b32_e32 v2, 0
diff --git a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_raw_buffer.ll b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_raw_buffer.ll
--- a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_raw_buffer.ll
+++ b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_raw_buffer.ll
@@ -8,14 +8,15 @@
 declare i32 @llvm.amdgcn.raw.buffer.atomic.add(i32, <4 x i32>, i32, i32, i32)
 declare i32 @llvm.amdgcn.raw.buffer.atomic.sub(i32, <4 x i32>, i32, i32, i32)
 
-; Show that what the atomic optimization pass will do for raw buffers.
+; Show what the atomic optimization pass will do for raw buffers.
 
 ; GCN-LABEL: add_i32_constant:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: v_mul_u32_u24{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[popcount]], 5
@@ -28,11 +29,12 @@
 }
 
 ; GCN-LABEL: add_i32_uniform:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: s_mul_i32 s[[scalar_value:[0-9]+]], s{{[0-9]+}}, s[[popcount]]
@@ -78,11 +80,12 @@
 }
 
 ; GCN-LABEL: sub_i32_constant:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: v_mul_u32_u24{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[popcount]], 5
@@ -95,11 +98,12 @@
 }
 
 ; GCN-LABEL: sub_i32_uniform:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: s_mul_i32 s[[scalar_value:[0-9]+]], s{{[0-9]+}}, s[[popcount]]
diff --git a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_struct_buffer.ll b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_struct_buffer.ll
--- a/llvm/test/CodeGen/AMDGPU/atomic_optimizations_struct_buffer.ll
+++ b/llvm/test/CodeGen/AMDGPU/atomic_optimizations_struct_buffer.ll
@@ -8,14 +8,15 @@
 declare i32 @llvm.amdgcn.struct.buffer.atomic.add(i32, <4 x i32>, i32, i32, i32, i32)
 declare i32 @llvm.amdgcn.struct.buffer.atomic.sub(i32, <4 x i32>, i32, i32, i32, i32)
 
-; Show that what the atomic optimization pass will do for struct buffers.
+; Show what the atomic optimization pass will do for struct buffers.
 
 ; GCN-LABEL: add_i32_constant:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: v_mul_u32_u24{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[popcount]], 5
@@ -28,11 +29,12 @@
 }
 
 ; GCN-LABEL: add_i32_uniform:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: s_mul_i32 s[[scalar_value:[0-9]+]], s{{[0-9]+}}, s[[popcount]]
@@ -91,11 +93,12 @@
 }
 
 ; GCN-LABEL: sub_i32_constant:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: v_mul_u32_u24{{(_e[0-9]+)?}} v[[value:[0-9]+]], s[[popcount]], 5
@@ -108,11 +111,12 @@
 }
 
 ; GCN-LABEL: sub_i32_uniform:
-; GCN32: v_cmp_ne_u32_e64 s[[exec_lo:[0-9]+]], 1, 0
-; GCN64: v_cmp_ne_u32_e64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, 1, 0
+; GCN32: s_mov_b32 s[[exec_lo:[0-9]+]], exec_lo
+; GCN64: s_mov_b64 s{{\[}}[[exec_lo:[0-9]+]]:[[exec_hi:[0-9]+]]{{\]}}, exec
 ; GCN: v_mbcnt_lo_u32_b32{{(_e[0-9]+)?}} v[[mbcnt:[0-9]+]], s[[exec_lo]], 0
 ; GCN64: v_mbcnt_hi_u32_b32{{(_e[0-9]+)?}} v[[mbcnt]], s[[exec_hi]], v[[mbcnt]]
 ; GCN: v_cmp_eq_u32{{(_e[0-9]+)?}} vcc{{(_lo)?}}, 0, v[[mbcnt]]
+; GCN: s_and_saveexec_b{{32|64}} s[[exec:\[?[0-9:]+\]?]], vcc
 ; GCN32: s_bcnt1_i32_b32 s[[popcount:[0-9]+]], s[[exec_lo]]
 ; GCN64: s_bcnt1_i32_b64 s[[popcount:[0-9]+]], s{{\[}}[[exec_lo]]:[[exec_hi]]{{\]}}
 ; GCN: s_mul_i32 s[[scalar_value:[0-9]+]], s{{[0-9]+}}, s[[popcount]]
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ballot.i32.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ballot.i32.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ballot.i32.ll
@@ -0,0 +1,93 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=+wavefrontsize32,-wavefrontsize64 < %s | FileCheck %s
+
+declare i32 @llvm.amdgcn.ballot.i32(i1)
+
+; Test ballot(0)
+
+define i32 @test0() {
+; CHECK-LABEL: test0:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_waitcnt_vscnt null, 0x0
+; CHECK-NEXT:    v_mov_b32_e32 v0, 0
+; CHECK-NEXT:    ; implicit-def: $vcc_hi
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 0)
+  ret i32 %ballot
+}
+
+; Test ballot(1)
+
+define i32 @test1() {
+; CHECK-LABEL: test1:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_waitcnt_vscnt null, 0x0
+; CHECK-NEXT:    v_mov_b32_e32 v0, exec_lo
+; CHECK-NEXT:    ; implicit-def: $vcc_hi
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 1)
+  ret i32 %ballot
+}
+
+; Test ballot of a non-comparison operation
+
+define i32 @test2(i32 %x) {
+; CHECK-LABEL: test2:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_waitcnt_vscnt null, 0x0
+; CHECK-NEXT:    v_and_b32_e32 v0, 1, v0
+; CHECK-NEXT:    ; implicit-def: $vcc_hi
+; CHECK-NEXT:    v_cmp_ne_u32_e64 s4, 0, v0
+; CHECK-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %trunc = trunc i32 %x to i1
+  %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 %trunc)
+  ret i32 %ballot
+}
+
+; Test ballot of comparisons
+
+define i32 @test3(i32 %x, i32 %y) {
+; CHECK-LABEL: test3:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_waitcnt_vscnt null, 0x0
+; CHECK-NEXT:    v_cmp_eq_u32_e64 s4, v0, v1
+; CHECK-NEXT:    ; implicit-def: $vcc_hi
+; CHECK-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %x, %y
+  %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 %cmp)
+  ret i32 %ballot
+}
+
+define i32 @test4(i32 %x) {
+; CHECK-LABEL: test4:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_waitcnt_vscnt null, 0x0
+; CHECK-NEXT:    v_cmp_lt_i32_e64 s4, 0x62, v0
+; CHECK-NEXT:    ; implicit-def: $vcc_hi
+; CHECK-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp sge i32 %x, 99
+  %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 %cmp)
+  ret i32 %ballot
+}
+
+define i32 @test5(float %x, float %y) {
+; CHECK-LABEL: test5:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_waitcnt_vscnt null, 0x0
+; CHECK-NEXT:    v_cmp_gt_f32_e64 s4, v0, v1
+; CHECK-NEXT:    ; implicit-def: $vcc_hi
+; CHECK-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = fcmp ogt float %x, %y
+  %ballot = call i32 @llvm.amdgcn.ballot.i32(i1 %cmp)
+  ret i32 %ballot
+}
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ballot.i64.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ballot.i64.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ballot.i64.ll
@@ -0,0 +1,88 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -march=amdgcn -mcpu=gfx900 < %s | FileCheck %s
+
+declare i64 @llvm.amdgcn.ballot.i64(i1)
+
+; Test ballot(0)
+
+define i64 @test0() {
+; CHECK-LABEL: test0:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_mov_b32_e32 v0, 0
+; CHECK-NEXT:    v_mov_b32_e32 v1, 0
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %ballot = call i64 @llvm.amdgcn.ballot.i64(i1 0)
+  ret i64 %ballot
+}
+
+; Test ballot(1)
+
+define i64 @test1() {
+; CHECK-LABEL: test1:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_mov_b32_e32 v0, exec_lo
+; CHECK-NEXT:    v_mov_b32_e32 v1, exec_hi
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %ballot = call i64 @llvm.amdgcn.ballot.i64(i1 1)
+  ret i64 %ballot
+}
+
+; Test ballot of a non-comparison operation
+
+define i64 @test2(i32 %x) {
+; CHECK-LABEL: test2:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_and_b32_e32 v0, 1, v0
+; CHECK-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
+; CHECK-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-NEXT:    v_mov_b32_e32 v1, s5
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %trunc = trunc i32 %x to i1
+  %ballot = call i64 @llvm.amdgcn.ballot.i64(i1 %trunc)
+  ret i64 %ballot
+}
+
+; Test ballot of comparisons
+
+define i64 @test3(i32 %x, i32 %y) {
+; CHECK-LABEL: test3:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_cmp_eq_u32_e64 s[4:5], v0, v1
+; CHECK-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-NEXT:    v_mov_b32_e32 v1, s5
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp eq i32 %x, %y
+  %ballot = call i64 @llvm.amdgcn.ballot.i64(i1 %cmp)
+  ret i64 %ballot
+}
+
+define i64 @test4(i32 %x) {
+; CHECK-LABEL: test4:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    s_movk_i32 s4, 0x62
+; CHECK-NEXT:    v_cmp_lt_i32_e64 s[4:5], s4, v0
+; CHECK-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-NEXT:    v_mov_b32_e32 v1, s5
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = icmp sge i32 %x, 99
+  %ballot = call i64 @llvm.amdgcn.ballot.i64(i1 %cmp)
+  ret i64 %ballot
+}
+
+define i64 @test5(float %x, float %y) {
+; CHECK-LABEL: test5:
+; CHECK:       ; %bb.0:
+; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; CHECK-NEXT:    v_cmp_gt_f32_e64 s[4:5], v0, v1
+; CHECK-NEXT:    v_mov_b32_e32 v0, s4
+; CHECK-NEXT:    v_mov_b32_e32 v1, s5
+; CHECK-NEXT:    s_setpc_b64 s[30:31]
+  %cmp = fcmp ogt float %x, %y
+  %ballot = call i64 @llvm.amdgcn.ballot.i64(i1 %cmp)
+  ret i64 %ballot
+}
diff --git a/llvm/test/Transforms/InstCombine/AMDGPU/amdgcn-intrinsics.ll b/llvm/test/Transforms/InstCombine/AMDGPU/amdgcn-intrinsics.ll
--- a/llvm/test/Transforms/InstCombine/AMDGPU/amdgcn-intrinsics.ll
+++ b/llvm/test/Transforms/InstCombine/AMDGPU/amdgcn-intrinsics.ll
@@ -2378,6 +2378,65 @@
   ret i64 %result
 }
 
+; --------------------------------------------------------------------
+; llvm.amdgcn.ballot
+; --------------------------------------------------------------------
+
+declare i64 @llvm.amdgcn.ballot.i64(i1) nounwind readnone convergent
+declare i32 @llvm.amdgcn.ballot.i32(i1) nounwind readnone convergent
+
+define i64 @ballot_nocombine_64(i1 %i) {
+; CHECK-LABEL: @ballot_nocombine_64(
+; CHECK-NEXT:    %b = call i64 @llvm.amdgcn.ballot.i64(i1 %i)
+; CHECK-NEXT:    ret i64 %b
+;
+  %b = call i64 @llvm.amdgcn.ballot.i64(i1 %i)
+  ret i64 %b
+}
+
+define i64 @ballot_zero_64() {
+; CHECK-LABEL: @ballot_zero_64(
+; CHECK-NEXT:    ret i64 0
+;
+  %b = call i64 @llvm.amdgcn.ballot.i64(i1 0)
+  ret i64 %b
+}
+
+define i64 @ballot_one_64() {
+; CHECK-LABEL: @ballot_one_64(
+; CHECK-NEXT:    %b = call i64 @llvm.read_register.i64(metadata !0) [[CONVERGENT]]
+; CHECK-NEXT:    ret i64 %b
+;
+  %b = call i64 @llvm.amdgcn.ballot.i64(i1 1)
+  ret i64 %b
+}
+
+define i32 @ballot_nocombine_32(i1 %i) {
+; CHECK-LABEL: @ballot_nocombine_32(
+; CHECK-NEXT:    %b = call i32 @llvm.amdgcn.ballot.i32(i1 %i)
+; CHECK-NEXT:    ret i32 %b
+;
+  %b = call i32 @llvm.amdgcn.ballot.i32(i1 %i)
+  ret i32 %b
+}
+
+define i32 @ballot_zero_32() {
+; CHECK-LABEL: @ballot_zero_32(
+; CHECK-NEXT:    ret i32 0
+;
+  %b = call i32 @llvm.amdgcn.ballot.i32(i1 0)
+  ret i32 %b
+}
+
+define i32 @ballot_one_32() {
+; CHECK-LABEL: @ballot_one_32(
+; CHECK-NEXT:    %b = call i32 @llvm.read_register.i32(metadata !1) [[CONVERGENT]]
+; CHECK-NEXT:    ret i32 %b
+;
+  %b = call i32 @llvm.amdgcn.ballot.i32(i1 1)
+  ret i32 %b
+}
+
 ; --------------------------------------------------------------------
 ; llvm.amdgcn.wqm.vote
 ; --------------------------------------------------------------------