diff options
| -rw-r--r-- | llvm/lib/Transforms/Scalar/InstructionCombining.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp index 0812fca6e97..b6727d5f9e0 100644 --- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp @@ -187,7 +187,7 @@ Instruction *InstCombiner::visitSub(BinaryOperator *I) { // not used by anyone else... // if (BinaryOperator *Op1I = dyn_cast<BinaryOperator>(Op1)) - if (Op1I->use_size() == 1) { + if (Op1I->use_size() == 1 && Op1I->getOpcode() == Instruction::Sub) { // Swap the two operands of the subexpr... Value *IIOp0 = Op1I->getOperand(0), *IIOp1 = Op1I->getOperand(1); Op1I->setOperand(0, IIOp1); |
