diff options
-rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index db2c997d3f..b382731586 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -4443,14 +4443,10 @@ Instruction *InstCombiner::FoldOrWithConstants(BinaryOperator &I, Value *Op, APInt Xor = CI1->getValue() ^ CI2->getValue(); if (!Xor.isAllOnesValue()) return 0; - if (V1 == B) { + if (V1 == A || V1 == B) Instruction *NewOp = - InsertNewInstBefore(BinaryOperator::CreateAnd(A, CI1), I); - return BinaryOperator::CreateOr(NewOp, B); - } else if (V1 == A) { - Instruction *NewOp = - InsertNewInstBefore(BinaryOperator::CreateAnd(B, CI1), I); - return BinaryOperator::CreateOr(NewOp, A); + InsertNewInstBefore(BinaryOperator::CreateAnd((V1 == A) ? B : A, CI1), I); + return BinaryOperator::CreateOr(NewOp, V1); } return 0; |