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[LV] Set imbounds flag using CreateGEP in VPWidenMemInst (NFC).

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This avoids having to cast the result of the builder to
GetElementPtrInst.
This commit is contained in:
Florian Hahn 2023-03-21 11:43:23 +00:00
parent 3a8f161a34
commit af99aa0ff7
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GPG Key ID: EEF712BB5E80EBBA
1 changed files with 4 additions and 9 deletions
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13
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
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@ -9603,7 +9603,7 @@ void VPWidenMemoryInstructionRecipe::execute(VPTransformState &State) {
const auto CreateVecPtr = [&](unsigned Part, Value *Ptr) -> Value * {
// Calculate the pointer for the specific unroll-part.
GetElementPtrInst *PartPtr = nullptr;
Value *PartPtr = nullptr;
// Use i32 for the gep index type when the value is constant,
// or query DataLayout for a more suitable index type otherwise.
@ -9627,20 +9627,15 @@ void VPWidenMemoryInstructionRecipe::execute(VPTransformState &State) {
// LastLane = 1 - RunTimeVF
Value *LastLane =
Builder.CreateSub(ConstantInt::get(IndexTy, 1), RunTimeVF);
PartPtr = Builder.CreateGEP(ScalarDataTy, Ptr, NumElt, "", InBounds);
PartPtr =
cast<GetElementPtrInst>(Builder.CreateGEP(ScalarDataTy, Ptr, NumElt));
PartPtr->setIsInBounds(InBounds);
PartPtr = cast<GetElementPtrInst>(
Builder.CreateGEP(ScalarDataTy, PartPtr, LastLane));
PartPtr->setIsInBounds(InBounds);
Builder.CreateGEP(ScalarDataTy, PartPtr, LastLane, "", InBounds);
if (isMaskRequired) // Reverse of a null all-one mask is a null mask.
BlockInMaskParts[Part] =
Builder.CreateVectorReverse(BlockInMaskParts[Part], "reverse");
} else {
Value *Increment = createStepForVF(Builder, IndexTy, State.VF, Part);
PartPtr = cast<GetElementPtrInst>(
Builder.CreateGEP(ScalarDataTy, Ptr, Increment));
PartPtr->setIsInBounds(InBounds);
PartPtr = Builder.CreateGEP(ScalarDataTy, Ptr, Increment, "", InBounds);
}
unsigned AddressSpace = Ptr->getType()->getPointerAddressSpace();