Use &U = UI.getUse();
unsigned OperandNo = UI.getOperandNo();
++UI; // Increment UI now, because we may unlink its element.
- Instruction *UserInst = dyn_cast<Instruction>(U.getUser());
- if (!UserInst)
- continue;
- // FIXME: dominates should return true for unreachable UserInst.
- if (DT->isReachableFromEntry(UserInst->getParent()) &&
- DT->dominates(Inst, UserInst)) {
+ if (DT->isReachableFromEntry(U) &&
+ DT->dominates(Inst, U)) {
Changed = true;
Instruction *Replacement = Inst;
Type *UseTy = U.get()->getType();
- if (PHINode *PHI = dyn_cast<PHINode>(UserInst)) {
+ if (PHINode *PHI = dyn_cast<PHINode>(U.getUser())) {
// For PHI nodes, insert the bitcast in the predecessor block.
unsigned ValNo =
PHINode::getIncomingValueNumForOperand(OperandNo);
}
} else {
if (Replacement->getType() != UseTy)
- Replacement = new BitCastInst(Replacement, UseTy, "", UserInst);
+ Replacement = new BitCastInst(Replacement, UseTy, "",
+ cast<Instruction>(U.getUser()));
U.set(Replacement);
}
}