diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp index 035ee721bfd..559788b4a90 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp @@ -135,8 +135,8 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { BO->getOpcode() == Instruction::SDiv)) { Value *Op0BO = BO->getOperand(0), *Op1BO = BO->getOperand(1); - // If the division is exact, X % Y is zero. - if (SDivOperator *SDiv = dyn_cast<SDivOperator>(BO)) + // If the division is exact, X % Y is zero, so we end up with X or -X. + if (PossiblyExactOperator *SDiv = dyn_cast<PossiblyExactOperator>(BO)) if (SDiv->isExact()) { if (Op1BO == Op1C) return ReplaceInstUsesWith(I, Op0BO); |
