140   if (!isa<PHINode>(BB->begin()))  in FoldSingleEntryPHINodes()
143   while (PHINode *PN = dyn_cast<PHINode>(BB->begin())) {  in FoldSingleEntryPHINodes()
162   for (PHINode &PN : BB->phis())  in DeleteDeadPHIs()
167     if (PHINode *PN = dyn_cast_or_null<PHINode>(PHIs[i].operator Value*()))  in DeleteDeadPHIs()
210   for (PHINode &PN : BB->phis())  in MergeBlockIntoPredecessor()
219   if (isa<PHINode>(BB->front())) {  in MergeBlockIntoPredecessor()
220     for (PHINode &PN : BB->phis())  in MergeBlockIntoPredecessor()
221       if (!isa<PHINode>(PN.getIncomingValue(0)) ||  in MergeBlockIntoPredecessor()
222           cast<PHINode>(PN.getIncomingValue(0))->getParent() != BB)  in MergeBlockIntoPredecessor()
543                           BasicBlock *NewPred, PHINode *Until) {  in updatePhiNodes()
545   for (PHINode &PN : DestBB->phis()) {  in updatePhiNodes()
566                                    PHINode *LandingPadReplacement,  in ehAwareSplitEdge()
720   for (PHINode &PN : DestBB->phis()) {  in createPHIsForSplitLoopExit()
727     if (const PHINode *VP = dyn_cast<PHINode>(V))  in createPHIsForSplitLoopExit()
732     PHINode *NewPN = PHINode::Create(  in createPHIsForSplitLoopExit()
769   while (isa<PHINode>(SplitIt) || SplitIt->isEHPad()) {  in SplitBlockImpl()
835   while (isa<PHINode>(SplitIt) || SplitIt->isEHPad())  in splitBlockBefore()
993   for (BasicBlock::iterator I = OrigBB->begin(); isa<PHINode>(I); ) {  in UpdatePHINodes()
994     PHINode *PN = cast<PHINode>(I++);  in UpdatePHINodes()
1035     PHINode *NewPHI =  in UpdatePHINodes()
1036         PHINode::Create(PN->getType(), Preds.size(), PN->getName() + ".ph", BI);  in UpdatePHINodes()
1122     for (BasicBlock::iterator I = BB->begin(); isa<PHINode>(I); ++I)  in SplitBlockPredecessorsImpl()
1123       cast<PHINode>(I)->addIncoming(UndefValue::get(I->getType()), NewBB);  in SplitBlockPredecessorsImpl()
1254       PHINode *PN = PHINode::Create(LPad->getType(), 2, "lpad.phi", LPad);  in SplitLandingPadPredecessorsImpl()
1326     if (PHINode *PN = dyn_cast<PHINode>(V)) {  in FoldReturnIntoUncondBranch()
1461   PHINode *SomePHI = dyn_cast<PHINode>(BB->begin());  in GetIfCondition()
1564   while (I != Out->end() && isa<PHINode>(I)) {  in reconnectPhis()
1565     auto Phi = cast<PHINode>(I);  in reconnectPhis()
1567         PHINode::Create(Phi->getType(), Incoming.size(),  in reconnectPhis()
1589 using BBPredicates = DenseMap<BasicBlock *, PHINode *>;
1658         PHINode::Create(Type::getInt1Ty(Context), Incoming.size(),  in convertToGuardPredicates()