// -A + B --> B - A
// -A + -B --> -(A + B)
if (Value *LHSV = dyn_castNegVal(LHS)) {
- if (Value *RHSV = dyn_castNegVal(RHS)) {
- Instruction *NewAdd = BinaryOperator::createAdd(LHSV, RHSV, "sum");
- InsertNewInstBefore(NewAdd, I);
- return BinaryOperator::createNeg(NewAdd);
+ if (LHS->getType()->isIntOrIntVector()) {
+ if (Value *RHSV = dyn_castNegVal(RHS)) {
+ Instruction *NewAdd = BinaryOperator::createAdd(LHSV, RHSV, "sum");
+ InsertNewInstBefore(NewAdd, I);
+ return BinaryOperator::createNeg(NewAdd);
+ }
}
return BinaryOperator::createSub(RHS, LHSV);