diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp index 9bf38189542..fea0d0245c8 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp @@ -3010,7 +3010,8 @@ Instruction *InstCombiner::visitICmpInst(ICmpInst &I) { return FoldICmpAddOpCst(I, X, Cst, I.getSwappedPredicate()); ConstantInt *Cst2; - if (match(Op1, m_ConstantInt(Cst)) && + if (I.isSigned() && + match(Op1, m_ConstantInt(Cst)) && match(Op0, m_Add(m_Value(X), m_ConstantInt(Cst2))) && cast<BinaryOperator>(Op0)->hasNoSignedWrap()) { // icmp X+Cst2, Cst --> icmp X, Cst-Cst2 |
