diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2021-06-13 19:31:46 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2021-06-13 19:37:19 +0000 |
| commit | e8d8bef961a50d4dc22501cde4fb9fb0be1b2532 (patch) | |
| tree | 94f04805f47bb7c59ae29690d8952b6074fff602 /contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp | |
| parent | bb130ff39747b94592cb26d71b7cb097b9a4ea6b (diff) | |
| parent | b60736ec1405bb0a8dd40989f67ef4c93da068ab (diff) | |
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp index 3a4872a72122..1a54603faf22 100644 --- a/contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp +++ b/contrib/llvm-project/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp @@ -48,6 +48,8 @@ void VPlanTransforms::VPInstructionsToVPRecipes( VPInstruction *VPInst = cast<VPInstruction>(Ingredient); Instruction *Inst = cast<Instruction>(VPInst->getUnderlyingValue()); if (DeadInstructions.count(Inst)) { + VPValue DummyValue; + VPInst->replaceAllUsesWith(&DummyValue); Ingredient->eraseFromParent(); continue; } @@ -66,7 +68,8 @@ void VPlanTransforms::VPInstructionsToVPRecipes( InductionDescriptor II = Inductions.lookup(Phi); if (II.getKind() == InductionDescriptor::IK_IntInduction || II.getKind() == InductionDescriptor::IK_FpInduction) { - NewRecipe = new VPWidenIntOrFpInductionRecipe(Phi); + VPValue *Start = Plan->getOrAddVPValue(II.getStartValue()); + NewRecipe = new VPWidenIntOrFpInductionRecipe(Phi, Start); } else NewRecipe = new VPWidenPHIRecipe(Phi); } else if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(Inst)) { @@ -77,6 +80,11 @@ void VPlanTransforms::VPInstructionsToVPRecipes( new VPWidenRecipe(*Inst, Plan->mapToVPValues(Inst->operands())); NewRecipe->insertBefore(Ingredient); + if (NewRecipe->getNumDefinedValues() == 1) + VPInst->replaceAllUsesWith(NewRecipe->getVPValue()); + else + assert(NewRecipe->getNumDefinedValues() == 0 && + "Only recpies with zero or one defined values expected"); Ingredient->eraseFromParent(); } } |