if (TI->isCast()) {
if (TI->getOperand(0)->getType() != FI->getOperand(0)->getType())
return 0;
+ // The select condition may be a vector. We may only change the operand
+ // type if the vector width remains the same (and matches the condition).
+ Type *CondTy = SI.getCondition()->getType();
+ if (CondTy->isVectorTy() && CondTy->getVectorNumElements() !=
+ FI->getOperand(0)->getType()->getVectorNumElements())
+ return 0;
} else {
return 0; // unknown unary op.
}
// NOTE: if we wanted to, this is where to detect integer MIN/MAX
- if (isa<Constant>(CmpRHS)) {
+ if (CmpRHS != CmpLHS && isa<Constant>(CmpRHS)) {
if (CmpLHS == TrueVal && Pred == ICmpInst::ICMP_EQ) {
// Transform (X == C) ? X : Y -> (X == C) ? C : Y
SI.setOperand(1, CmpRHS);