3313   while (PHINode *PHI = dyn_cast<PHINode>(I++)) {  in FindPHIForConditionForwarding()  local
3314     int Idx = PHI->getBasicBlockIndex(BB);  in FindPHIForConditionForwarding()
3317     Value *InValue = PHI->getIncomingValue(Idx);  in FindPHIForConditionForwarding()
3321     return PHI;  in FindPHIForConditionForwarding()
3340     PHINode *PHI = FindPHIForConditionForwarding(CaseValue, CaseDest,  in ForwardSwitchConditionToPHI()  local
3342     if (!PHI) continue;  in ForwardSwitchConditionToPHI()
3344     ForwardingNodes[PHI].push_back(PhiIndex);  in ForwardSwitchConditionToPHI()
3484   while (PHINode *PHI = dyn_cast<PHINode>(I++)) {  in GetCaseResults()  local
3485     int Idx = PHI->getBasicBlockIndex(Pred);  in GetCaseResults()
3489     Constant *ConstVal = LookupConstant(PHI->getIncomingValue(Idx),  in GetCaseResults()
3498     Res.push_back(std::make_pair(PHI, ConstVal));  in GetCaseResults()
3523 static bool InitializeUniqueCases(SwitchInst *SI, PHINode *&PHI,  in InitializeUniqueCases()  argument
3543     if (!PHI)  in InitializeUniqueCases()
3544       PHI = Results[0].first;  in InitializeUniqueCases()
3545     else if (PHI != Results[0].first)  in InitializeUniqueCases()
3609 static void RemoveSwitchAfterSelectConversion(SwitchInst *SI, PHINode *PHI,  in RemoveSwitchAfterSelectConversion()  argument
3613   while (PHI->getBasicBlockIndex(SelectBB) >= 0)  in RemoveSwitchAfterSelectConversion()
3614     PHI->removeIncomingValue(SelectBB);  in RemoveSwitchAfterSelectConversion()
3615   PHI->addIncoming(SelectValue, SelectBB);  in RemoveSwitchAfterSelectConversion()
3617   Builder.CreateBr(PHI->getParent());  in RemoveSwitchAfterSelectConversion()
3623     if (Succ == PHI->getParent())  in RemoveSwitchAfterSelectConversion()
3636   PHINode *PHI = nullptr;  in SwitchToSelect()  local
3641   if (!InitializeUniqueCases(SI, PHI, CommonDest, UniqueResults, DefaultResult,  in SwitchToSelect()
3647   assert(PHI != nullptr && "PHI for value select not found");  in SwitchToSelect()
3654     RemoveSwitchAfterSelectConversion(SI, PHI, SelectValue, Builder);  in SwitchToSelect()
4090       PHINode *PHI = I.first;  in SwitchToLookupTable()  local
4092       if (!ResultLists.count(PHI))  in SwitchToLookupTable()
4093         PHIs.push_back(PHI);  in SwitchToLookupTable()
4094       ResultLists[PHI].push_back(std::make_pair(CaseVal, Value));  in SwitchToLookupTable()
4099   for (PHINode *PHI : PHIs) {  in SwitchToLookupTable()
4100     ResultTypes[PHI] = ResultLists[PHI][0].second->getType();  in SwitchToLookupTable()
4124     PHINode *PHI = I.first;  in SwitchToLookupTable()  local
4126     DefaultResults[PHI] = Result;  in SwitchToLookupTable()
4219     PHINode *PHI = PHIs[I];  in SwitchToLookupTable()  local
4220     const ResultListTy &ResultList = ResultLists[PHI];  in SwitchToLookupTable()
4223     Constant *DV = NeedMask ? ResultLists[PHI][0].second : DefaultResults[PHI];  in SwitchToLookupTable()
4230     if (PHI->hasOneUse() && isa<ReturnInst>(*PHI->user_begin()) &&  in SwitchToLookupTable()
4231         PHI->user_back() == CommonDest->getFirstNonPHIOrDbg()) {  in SwitchToLookupTable()
4240       BasicBlock *PhiBlock = PHI->getParent();  in SwitchToLookupTable()
4242       for (auto *User : PHI->users()) {  in SwitchToLookupTable()
4247     PHI->addIncoming(Result, LookupBB);  in SwitchToLookupTable()
4601        PHINode *PHI = dyn_cast<PHINode>(i); ++i)  in removeUndefIntroducingPredecessor()
4602     for (unsigned i = 0, e = PHI->getNumIncomingValues(); i != e; ++i)  in removeUndefIntroducingPredecessor()
4603       if (passingValueIsAlwaysUndefined(PHI->getIncomingValue(i), PHI)) {  in removeUndefIntroducingPredecessor()
4604         TerminatorInst *T = PHI->getIncomingBlock(i)->getTerminator();  in removeUndefIntroducingPredecessor()
4607           BB->removePredecessor(PHI->getIncomingBlock(i));  in removeUndefIntroducingPredecessor()