diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index b382731586e..4914c110cb7 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -4437,13 +4437,14 @@ Instruction *InstCombiner::FoldOrWithConstants(BinaryOperator &I, Value *Op, ConstantInt *CI1 = dyn_cast<ConstantInt>(C); if (!CI1) return 0; - Value *V1 = 0, *C2 = 0; - if (!match(Op, m_And(m_Value(V1), m_ConstantInt(C2)))) return 0; + Value *V1 = 0; + ConstantInt *CI2 = 0; + if (!match(Op, m_And(m_Value(V1), m_ConstantInt(CI2)))) return 0; APInt Xor = CI1->getValue() ^ CI2->getValue(); if (!Xor.isAllOnesValue()) return 0; - if (V1 == A || V1 == B) + if (V1 == A || V1 == B) { Instruction *NewOp = InsertNewInstBefore(BinaryOperator::CreateAnd((V1 == A) ? B : A, CI1), I); return BinaryOperator::CreateOr(NewOp, V1); |
