diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp index 17ca01d4aa9..9df0d4673b8 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp @@ -1316,10 +1316,11 @@ static Instruction *foldFDivConstantDivisor(BinaryOperator &FDiv) { return BinaryOperator::CreateFMul(FDiv.getOperand(0), RecipCFP); } -/// Try to strength-reduce C / X expressions where X includes another constant. +/// Try to reassociate C / X expressions where X includes another constant. static Instruction *foldFDivConstantDividend(BinaryOperator &I) { Constant *C1; - if (!I.isFast() || !match(I.getOperand(0), m_Constant(C1))) + if (!I.hasAllowReassoc() || !I.hasAllowReciprocal() || + !match(I.getOperand(0), m_Constant(C1))) return nullptr; Value *X; |
