diff options
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index d3d8cefe973..fe9844365bf 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -2456,10 +2456,9 @@ Instruction *InstCombiner::visitXor(BinaryOperator &I) { } } - // xor (cmp A, B), true = not (cmp A, B) = !cmp A, B + // not (cmp A, B) = !cmp A, B ICmpInst::Predicate Pred; - if (match(Op0, m_OneUse(m_Cmp(Pred, m_Value(), m_Value()))) && - match(Op1, m_AllOnes())) { + if (match(&I, m_Not(m_OneUse(m_Cmp(Pred, m_Value(), m_Value()))))) { cast<CmpInst>(Op0)->setPredicate(CmpInst::getInversePredicate(Pred)); return replaceInstUsesWith(I, Op0); } |
