229   ModelledPHI(const PHINode *PN,  in ModelledPHI()  argument
236     for (unsigned I = 0, E = PN->getNumIncomingValues(); I != E; ++I)  in ModelledPHI()
237       Ops.push_back({PN->getIncomingBlock(I), PN->getIncomingValue(I)});  in ModelledPHI()
649     for (PHINode &PN : BB->phis()) {  in analyzeInitialPHIs()
650       auto MPHI = ModelledPHI(&PN, RPOTOrder);  in analyzeInitialPHIs()
668     while (PHINode *PN = dyn_cast<PHINode>(I++)) {  in foldPointlessPHINodes()  local
669       if (!llvm::all_of(PN->incoming_values(), [&](const Value *V) {  in foldPointlessPHINodes()
670             return V == PN->getIncomingValue(0);  in foldPointlessPHINodes()
673       if (PN->getIncomingValue(0) != PN)  in foldPointlessPHINodes()
674         PN->replaceAllUsesWith(PN->getIncomingValue(0));  in foldPointlessPHINodes()
676         PN->replaceAllUsesWith(PoisonValue::get(PN->getType()));  in foldPointlessPHINodes()
677       PN->eraseFromParent();  in foldPointlessPHINodes()
902     auto *PN =  in sinkLastInstruction()  local
904     PN->insertBefore(BBEnd->begin());  in sinkLastInstruction()
906       PN->addIncoming(I->getOperand(O), I->getParent());  in sinkLastInstruction()
907     NewOperands.push_back(PN);  in sinkLastInstruction()