diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp index 3fb99bc119a..d0292b640fe 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp @@ -292,6 +292,8 @@ Instruction *InstCombiner::foldSelectOpOp(SelectInst &SI, Instruction *TI, return nullptr; // If this is a cast from the same type, merge. + Value *Cond = SI.getCondition(); + Type *CondTy = Cond->getType(); if (TI->getNumOperands() == 1 && TI->isCast()) { Type *FIOpndTy = FI->getOperand(0)->getType(); if (TI->getOperand(0)->getType() != FIOpndTy) @@ -299,7 +301,6 @@ Instruction *InstCombiner::foldSelectOpOp(SelectInst &SI, Instruction *TI, // The select condition may be a vector. We may only change the operand // type if the vector width remains the same (and matches the condition). - Type *CondTy = SI.getCondition()->getType(); if (CondTy->isVectorTy()) { if (!FIOpndTy->isVectorTy()) return nullptr; @@ -326,8 +327,8 @@ Instruction *InstCombiner::foldSelectOpOp(SelectInst &SI, Instruction *TI, // Fold this by inserting a select from the input values. Value *NewSI = - Builder.CreateSelect(SI.getCondition(), TI->getOperand(0), - FI->getOperand(0), SI.getName() + ".v", &SI); + Builder.CreateSelect(Cond, TI->getOperand(0), FI->getOperand(0), + SI.getName() + ".v", &SI); return CastInst::Create(Instruction::CastOps(TI->getOpcode()), NewSI, TI->getType()); } @@ -373,13 +374,12 @@ Instruction *InstCombiner::foldSelectOpOp(SelectInst &SI, Instruction *TI, // If the select condition is a vector, the operands of the original select's // operands also must be vectors. This may not be the case for getelementptr // for example. - if (SI.getCondition()->getType()->isVectorTy() && - (!OtherOpT->getType()->isVectorTy() || - !OtherOpF->getType()->isVectorTy())) + if (CondTy->isVectorTy() && (!OtherOpT->getType()->isVectorTy() || + !OtherOpF->getType()->isVectorTy())) return nullptr; // If we reach here, they do have operations in common. - Value *NewSI = Builder.CreateSelect(SI.getCondition(), OtherOpT, OtherOpF, + Value *NewSI = Builder.CreateSelect(Cond, OtherOpT, OtherOpF, SI.getName() + ".v", &SI); Value *Op0 = MatchIsOpZero ? MatchOp : NewSI; Value *Op1 = MatchIsOpZero ? NewSI : MatchOp; |
