diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp index 2f72e0ab6e9..ac64671725f 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp @@ -434,7 +434,8 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { Constant *CI = ConstantExpr::getTrunc(Op1C, Op0Conv->getOperand(0)->getType()); if (ConstantExpr::getZExt(CI, I.getType()) == Op1C && - WillNotOverflowSignedMul(Op0Conv->getOperand(0), CI, I)) { + computeOverflowForUnsignedMul(Op0Conv->getOperand(0), CI, &I) == + OverflowResult::NeverOverflows) { // Insert the new, smaller mul. Value *NewMul = Builder->CreateNUWMul(Op0Conv->getOperand(0), CI, "mulconv"); |
