150   while (PHINode *PN = dyn_cast<PHINode>(BB->begin())) {  in FoldSingleEntryPHINodes()  local
151     if (PN->getIncomingValue(0) != PN)  in FoldSingleEntryPHINodes()
152       PN->replaceAllUsesWith(PN->getIncomingValue(0));  in FoldSingleEntryPHINodes()
154       PN->replaceAllUsesWith(PoisonValue::get(PN->getType()));  in FoldSingleEntryPHINodes()
157       MemDep->removeInstruction(PN);  // Memdep updates AA itself.  in FoldSingleEntryPHINodes()
159     PN->eraseFromParent();  in FoldSingleEntryPHINodes()
169   for (PHINode &PN : BB->phis())  in DeleteDeadPHIs()
170     PHIs.push_back(&PN);  in DeleteDeadPHIs()
174     if (PHINode *PN = dyn_cast_or_null<PHINode>(PHIs[i].operator Value*()))  in DeleteDeadPHIs()  local
175       Changed |= RecursivelyDeleteDeadPHINode(PN, TLI, MSSAU);  in DeleteDeadPHIs()
220   for (PHINode &PN : BB->phis())  in MergeBlockIntoPredecessor()
221     if (llvm::is_contained(PN.incoming_values(), &PN))  in MergeBlockIntoPredecessor()
230     for (PHINode &PN : BB->phis())  in MergeBlockIntoPredecessor()
231       if (!isa<PHINode>(PN.getIncomingValue(0)) ||  in MergeBlockIntoPredecessor()
232           cast<PHINode>(PN.getIncomingValue(0))->getParent() != BB)  in MergeBlockIntoPredecessor()
233         IncomingValues.push_back(PN.getIncomingValue(0));  in MergeBlockIntoPredecessor()
813   for (PHINode &PN : DestBB->phis()) {  in updatePhiNodes()
816     if (Until == &PN)  in updatePhiNodes()
824     if (PN.getIncomingBlock(BBIdx) != OldPred)  in updatePhiNodes()
825       BBIdx = PN.getBasicBlockIndex(OldPred);  in updatePhiNodes()
828     PN.setIncomingBlock(BBIdx, NewPred);  in updatePhiNodes()
988   for (PHINode &PN : DestBB->phis()) {  in createPHIsForSplitLoopExit()
989     int Idx = PN.getBasicBlockIndex(SplitBB);  in createPHIsForSplitLoopExit()
991     Value *V = PN.getIncomingValue(Idx);  in createPHIsForSplitLoopExit()
1000     PHINode *NewPN = PHINode::Create(PN.getType(), Preds.size(), "split");  in createPHIsForSplitLoopExit()
1009     PN.setIncomingValue(Idx, NewPN);  in createPHIsForSplitLoopExit()
1265     PHINode *PN = cast<PHINode>(I++);  in UpdatePHINodes()  local
1271       InVal = PN->getIncomingValueForBlock(Preds[0]);  in UpdatePHINodes()
1272       for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {  in UpdatePHINodes()
1273         if (!PredSet.count(PN->getIncomingBlock(i)))  in UpdatePHINodes()
1276           InVal = PN->getIncomingValue(i);  in UpdatePHINodes()
1277         else if (InVal != PN->getIncomingValue(i)) {  in UpdatePHINodes()
1288       PN->removeIncomingValueIf(  in UpdatePHINodes()
1290             return PredSet.contains(PN->getIncomingBlock(Idx));  in UpdatePHINodes()
1296       PN->addIncoming(InVal, NewBB);  in UpdatePHINodes()
1304         PHINode::Create(PN->getType(), Preds.size(), PN->getName() + ".ph", BI->getIterator());  in UpdatePHINodes()
1310     for (int64_t i = PN->getNumIncomingValues() - 1; i >= 0; --i) {  in UpdatePHINodes()
1311       BasicBlock *IncomingBB = PN->getIncomingBlock(i);  in UpdatePHINodes()
1313         Value *V = PN->removeIncomingValue(i, false);  in UpdatePHINodes()
1318     PN->addIncoming(NewPHI, NewBB);  in UpdatePHINodes()
1524       PHINode *PN = PHINode::Create(LPad->getType(), 2, "lpad.phi", LPad->getIterator());  in SplitLandingPadPredecessorsImpl()  local
1525       PN->addIncoming(Clone1, NewBB1);  in SplitLandingPadPredecessorsImpl()
1526       PN->addIncoming(Clone2, NewBB2);  in SplitLandingPadPredecessorsImpl()
1527       LPad->replaceAllUsesWith(PN);  in SplitLandingPadPredecessorsImpl()
1585     if (PHINode *PN = dyn_cast<PHINode>(V)) {  in FoldReturnIntoUncondBranch()  local
1586       if (PN->getParent() == BB) {  in FoldReturnIntoUncondBranch()
1588           NewEV->setOperand(0, PN->getIncomingValueForBlock(Pred));  in FoldReturnIntoUncondBranch()
1590           NewBC->setOperand(0, PN->getIncomingValueForBlock(Pred));  in FoldReturnIntoUncondBranch()
1592           Op = PN->getIncomingValueForBlock(Pred);  in FoldReturnIntoUncondBranch()