72   while (PHINode *PN = dyn_cast<PHINode>(BB->begin())) {  in FoldSingleEntryPHINodes()  local
73     if (PN->getIncomingValue(0) != PN)  in FoldSingleEntryPHINodes()
74       PN->replaceAllUsesWith(PN->getIncomingValue(0));  in FoldSingleEntryPHINodes()
76       PN->replaceAllUsesWith(UndefValue::get(PN->getType()));  in FoldSingleEntryPHINodes()
79       MemDep->removeInstruction(PN);  // Memdep updates AA itself.  in FoldSingleEntryPHINodes()
80     else if (AA && isa<PointerType>(PN->getType()))  in FoldSingleEntryPHINodes()
81       AA->deleteValue(PN);  in FoldSingleEntryPHINodes()
83     PN->eraseFromParent();  in FoldSingleEntryPHINodes()
97        PHINode *PN = dyn_cast<PHINode>(I); ++I)  in DeleteDeadPHIs()
98     PHIs.push_back(PN);  in DeleteDeadPHIs()
102     if (PHINode *PN = dyn_cast_or_null<PHINode>(PHIs[i].operator Value*()))  in DeleteDeadPHIs()  local
103       Changed |= RecursivelyDeleteDeadPHINode(PN, TLI);  in DeleteDeadPHIs()
138     if (PHINode *PN = dyn_cast<PHINode>(BI)) {  in MergeBlockIntoPredecessor()  local
139       for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i)  in MergeBlockIntoPredecessor()
140         if (PN->getIncomingValue(i) == PN)  in MergeBlockIntoPredecessor()
395     PHINode *PN = cast<PHINode>(I++);  in UpdatePHINodes()  local
401       InVal = PN->getIncomingValueForBlock(Preds[0]);  in UpdatePHINodes()
402       for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {  in UpdatePHINodes()
403         if (!PredSet.count(PN->getIncomingBlock(i)))  in UpdatePHINodes()
406           InVal = PN->getIncomingValue(i);  in UpdatePHINodes()
407         else if (InVal != PN->getIncomingValue(i)) {  in UpdatePHINodes()
423       for (int64_t i = PN->getNumIncomingValues() - 1; i >= 0; --i)  in UpdatePHINodes()
424         if (PredSet.count(PN->getIncomingBlock(i)))  in UpdatePHINodes()
425           PN->removeIncomingValue(i, false);  in UpdatePHINodes()
429       PN->addIncoming(InVal, NewBB);  in UpdatePHINodes()
437         PHINode::Create(PN->getType(), Preds.size(), PN->getName() + ".ph", BI);  in UpdatePHINodes()
439       AA->copyValue(PN, NewPHI);  in UpdatePHINodes()
445     for (int64_t i = PN->getNumIncomingValues() - 1; i >= 0; --i) {  in UpdatePHINodes()
446       BasicBlock *IncomingBB = PN->getIncomingBlock(i);  in UpdatePHINodes()
448         Value *V = PN->removeIncomingValue(i, false);  in UpdatePHINodes()
453     PN->addIncoming(NewPHI, NewBB);  in UpdatePHINodes()
622     PHINode *PN = PHINode::Create(LPad->getType(), 2, "lpad.phi", LPad);  in SplitLandingPadPredecessors()  local
623     PN->addIncoming(Clone1, NewBB1);  in SplitLandingPadPredecessors()
624     PN->addIncoming(Clone2, NewBB2);  in SplitLandingPadPredecessors()
625     LPad->replaceAllUsesWith(PN);  in SplitLandingPadPredecessors()
661     if (PHINode *PN = dyn_cast<PHINode>(V)) {  in FoldReturnIntoUncondBranch()  local
662       if (PN->getParent() == BB) {  in FoldReturnIntoUncondBranch()
664           NewBC->setOperand(0, PN->getIncomingValueForBlock(Pred));  in FoldReturnIntoUncondBranch()
666           *i = PN->getIncomingValueForBlock(Pred);  in FoldReturnIntoUncondBranch()