574     PHINode &Phi = cast<PHINode>(*I++);  in delPhiValues()  local
575     while (Phi.getBasicBlockIndex(From) != -1) {  in delPhiValues()
576       Value *Deleted = Phi.removeIncomingValue(From, false);  in delPhiValues()
577       Map[&Phi].push_back(std::make_pair(From, Deleted));  in delPhiValues()
587     PHINode &Phi = cast<PHINode>(*I++);  in addPhiValues()  local
588     Value *Undef = UndefValue::get(Phi.getType());  in addPhiValues()
589     Phi.addIncoming(Undef, From);  in addPhiValues()
608       PHINode *Phi = PI.first;  in setPhiValues()  local
609       Value *Undef = UndefValue::get(Phi->getType());  in setPhiValues()
610       Updater.Initialize(Phi->getType(), "");  in setPhiValues()
627         int Idx = Phi->getBasicBlockIndex(FI);  in setPhiValues()
629         Phi->setIncomingValue(Idx, Updater.GetValueAtEndOfBlock(FI));  in setPhiValues()