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Fix vector pass-through value being unused in IRBuilder::CreateMaskedGather 

Also s/0/nullptr in the call site in LV.

llvm-svn: 303416
This commit is contained in:
Amara Emerson 2017-05-19 10:40:18 +00:00
parent a1c30937ce
commit 4d33c86359
2 changed files with 5 additions and 2 deletions
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5
llvm/lib/IR/IRBuilder.cpp
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@ -381,8 +381,11 @@ CallInst *IRBuilderBase::CreateMaskedGather(Value *Ptrs, unsigned Align,
Mask = Constant::getAllOnesValue(VectorType::get(Type::getInt1Ty(Context), Mask = Constant::getAllOnesValue(VectorType::get(Type::getInt1Ty(Context),
NumElts)); NumElts));
if (!PassThru)
PassThru = UndefValue::get(DataTy);
Type *OverloadedTypes[] = {DataTy, PtrsTy}; Type *OverloadedTypes[] = {DataTy, PtrsTy};
Value * Ops[] = {Ptrs, getInt32(Align), Mask, UndefValue::get(DataTy)}; Value * Ops[] = {Ptrs, getInt32(Align), Mask, PassThru};
// We specify only one type when we create this intrinsic. Types of other // We specify only one type when we create this intrinsic. Types of other
// arguments are derived from this type. // arguments are derived from this type.

2
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
View File

@ -3047,7 +3047,7 @@ void InnerLoopVectorizer::vectorizeMemoryInstruction(Instruction *Instr) {
if (CreateGatherScatter) { if (CreateGatherScatter) {
Value *MaskPart = Legal->isMaskRequired(LI) ? Mask[Part] : nullptr; Value *MaskPart = Legal->isMaskRequired(LI) ? Mask[Part] : nullptr;
NewLI = Builder.CreateMaskedGather(VectorGep[Part], Alignment, MaskPart, NewLI = Builder.CreateMaskedGather(VectorGep[Part], Alignment, MaskPart,
0, "wide.masked.gather"); nullptr, "wide.masked.gather");
Entry[Part] = NewLI; Entry[Part] = NewLI;
} else { } else {
// Calculate the pointer for the specific unroll-part. // Calculate the pointer for the specific unroll-part.