42 void InstCombinerImpl::PHIArgMergedDebugLoc(Instruction *Inst, PHINode &PN) {  in PHIArgMergedDebugLoc()
105 Instruction *InstCombinerImpl::foldIntegerTypedPHI(PHINode &PN) {  in foldIntegerTypedPHI()
169     if (isa<PHINode>(Arg)) {  in foldIntegerTypedPHI()
192   PHINode *MatchingPtrPHI = nullptr;  in foldIntegerTypedPHI()
194   for (PHINode &PtrPHI : BB->phis()) {  in foldIntegerTypedPHI()
238         if (isa<PHINode>(Inst) && BB->getFirstInsertionPt() == BB->end())  in foldIntegerTypedPHI()
244   PHINode *NewPtrPHI = PHINode::Create(  in foldIntegerTypedPHI()
260     assert((isa<PHINode>(IncomingVal) ||  in foldIntegerTypedPHI()
281         if (isa<PHINode>(IncomingI))  in foldIntegerTypedPHI()
300 Instruction *InstCombinerImpl::foldPHIArgIntToPtrToPHI(PHINode &PN) {  in foldPHIArgIntToPtrToPHI()
324 InstCombinerImpl::foldPHIArgInsertValueInstructionIntoPHI(PHINode &PN) {  in foldPHIArgInsertValueInstructionIntoPHI()
336   std::array<PHINode *, 2> NewOperands;  in foldPHIArgInsertValueInstructionIntoPHI()
341     NewOperand = PHINode::Create(  in foldPHIArgInsertValueInstructionIntoPHI()
364 InstCombinerImpl::foldPHIArgExtractValueInstructionIntoPHI(PHINode &PN) {  in foldPHIArgExtractValueInstructionIntoPHI()
379   auto *NewAggregateOperand = PHINode::Create(  in foldPHIArgExtractValueInstructionIntoPHI()
400 Instruction *InstCombinerImpl::foldPHIArgBinOpIntoPHI(PHINode &PN) {  in foldPHIArgBinOpIntoPHI()
441   PHINode *NewLHS = nullptr, *NewRHS = nullptr;  in foldPHIArgBinOpIntoPHI()
443     NewLHS = PHINode::Create(LHSType, PN.getNumIncomingValues(),  in foldPHIArgBinOpIntoPHI()
451     NewRHS = PHINode::Create(RHSType, PN.getNumIncomingValues(),  in foldPHIArgBinOpIntoPHI()
495 Instruction *InstCombinerImpl::foldPHIArgGEPIntoPHI(PHINode &PN) {  in foldPHIArgGEPIntoPHI()
568   SmallVector<PHINode*, 16> OperandPhis(FixedOperands.size());  in foldPHIArgGEPIntoPHI()
575     PHINode *NewPN =  in foldPHIArgGEPIntoPHI()
576         PHINode::Create(FirstOp->getType(), E, FirstOp->getName() + ".pn");  in foldPHIArgGEPIntoPHI()
593         if (PHINode *OpPhi = OperandPhis[Op])  in foldPHIArgGEPIntoPHI()
658 Instruction *InstCombinerImpl::foldPHIArgLoadIntoPHI(PHINode &PN) {  in foldPHIArgLoadIntoPHI()
721   PHINode *NewPN = PHINode::Create(FirstLI->getOperand(0)->getType(),  in foldPHIArgLoadIntoPHI()
781 Instruction *InstCombinerImpl::foldPHIArgZextsIntoPHI(PHINode &Phi) {  in foldPHIArgZextsIntoPHI()
843   PHINode *NewPhi = PHINode::Create(NarrowType, NumIncomingValues,  in foldPHIArgZextsIntoPHI()
855 Instruction *InstCombinerImpl::foldPHIArgOpIntoPHI(PHINode &PN) {  in foldPHIArgOpIntoPHI()
914   PHINode *NewPN = PHINode::Create(FirstInst->getOperand(0)->getType(),  in foldPHIArgOpIntoPHI()
969 static bool isDeadPHICycle(PHINode *PN,  in isDeadPHICycle()
970                            SmallPtrSetImpl<PHINode *> &PotentiallyDeadPHIs) {  in isDeadPHICycle()
982   if (PHINode *PU = dyn_cast<PHINode>(PN->user_back()))  in isDeadPHICycle()
991 static bool PHIsEqualValue(PHINode *PN, Value *NonPhiInVal,  in PHIsEqualValue()
992                            SmallPtrSetImpl<PHINode*> &ValueEqualPHIs) {  in PHIsEqualValue()
1004     if (PHINode *OpPN = dyn_cast<PHINode>(Op)) {  in PHIsEqualValue()
1016 static ConstantInt *getAnyNonZeroConstInt(PHINode &PN) {  in getAnyNonZeroConstInt()
1045   PHINode *PN;        // The PHI that was lowered.
1049   LoweredPHIRecord(PHINode *Phi, unsigned Sh, Type *Ty)  in LoweredPHIRecord()
1053   LoweredPHIRecord(PHINode *Phi, unsigned Sh) : PN(Phi), Shift(Sh), Width(0) {}  in LoweredPHIRecord()
1067       return DenseMapInfo<PHINode*>::getHashValue(Val.PN) ^ (Val.Shift>>3) ^  in getHashValue()
1087 Instruction *InstCombinerImpl::SliceUpIllegalIntegerPHI(PHINode &FirstPhi) {  in SliceUpIllegalIntegerPHI()
1096   SmallVector<PHINode*, 8> PHIsToSlice;  in SliceUpIllegalIntegerPHI()
1097   SmallPtrSet<PHINode*, 8> PHIsInspected;  in SliceUpIllegalIntegerPHI()
1103     PHINode *PN = PHIsToSlice[PHIId];  in SliceUpIllegalIntegerPHI()
1135       if (PHINode *UserPN = dyn_cast<PHINode>(UserI)) {  in SliceUpIllegalIntegerPHI()
1181   DenseMap<LoweredPHIRecord, PHINode*> ExtractedVals;  in SliceUpIllegalIntegerPHI()
1185     PHINode *PN = PHIsToSlice[PHIId];  in SliceUpIllegalIntegerPHI()
1189     PHINode *EltPHI;  in SliceUpIllegalIntegerPHI()
1196       EltPHI = PHINode::Create(Ty, PN->getNumIncomingValues(),  in SliceUpIllegalIntegerPHI()
1219         if (PHINode *InPHI = dyn_cast<PHINode>(PN)) {  in SliceUpIllegalIntegerPHI()
1243         if (PHINode *OldInVal = dyn_cast<PHINode>(InVal))  in SliceUpIllegalIntegerPHI()
1266   for (PHINode *PHI : drop_begin(PHIsToSlice))  in SliceUpIllegalIntegerPHI()
1271 static Value *simplifyUsingControlFlow(InstCombiner &Self, PHINode &PN,  in simplifyUsingControlFlow()
1372 Instruction *InstCombinerImpl::visitPHINode(PHINode &PN) {  in visitPHINode()
1419     if (PHINode *PU = dyn_cast<PHINode>(PHIUser)) {  in visitPHINode()
1420       SmallPtrSet<PHINode*, 16> PotentiallyDeadPHIs;  in visitPHINode()
1479            isa<PHINode>(PN.getIncomingValue(InValNo)))  in visitPHINode()
1489         if (OpVal != NonPhiInVal && !isa<PHINode>(OpVal))  in visitPHINode()
1497         SmallPtrSet<PHINode*, 16> ValueEqualPHIs;  in visitPHINode()
1508   PHINode *FirstPN = cast<PHINode>(PN.getParent()->begin());  in visitPHINode()
1529   for (PHINode &IdenticalPN : PN.getParent()->phis()) {  in visitPHINode()