42 void InstCombinerImpl::PHIArgMergedDebugLoc(Instruction *Inst, PHINode &PN) {  in PHIArgMergedDebugLoc()
105 Instruction *InstCombinerImpl::foldIntegerTypedPHI(PHINode &PN) {  in foldIntegerTypedPHI()
168     if (isa<PHINode>(Arg)) {  in foldIntegerTypedPHI()
191   PHINode *MatchingPtrPHI = nullptr;  in foldIntegerTypedPHI()
195     PHINode *PtrPHI = dyn_cast<PHINode>(II);  in foldIntegerTypedPHI()
242         if (isa<PHINode>(Inst) && BB->getFirstInsertionPt() == BB->end())  in foldIntegerTypedPHI()
248   PHINode *NewPtrPHI = PHINode::Create(  in foldIntegerTypedPHI()
264     assert((isa<PHINode>(IncomingVal) ||  in foldIntegerTypedPHI()
285         if (isa<PHINode>(IncomingI))  in foldIntegerTypedPHI()
305 InstCombinerImpl::foldPHIArgInsertValueInstructionIntoPHI(PHINode &PN) {  in foldPHIArgInsertValueInstructionIntoPHI()
317   std::array<PHINode *, 2> NewOperands;  in foldPHIArgInsertValueInstructionIntoPHI()
322     NewOperand = PHINode::Create(  in foldPHIArgInsertValueInstructionIntoPHI()
345 InstCombinerImpl::foldPHIArgExtractValueInstructionIntoPHI(PHINode &PN) {  in foldPHIArgExtractValueInstructionIntoPHI()
360   auto *NewAggregateOperand = PHINode::Create(  in foldPHIArgExtractValueInstructionIntoPHI()
381 Instruction *InstCombinerImpl::foldPHIArgBinOpIntoPHI(PHINode &PN) {  in foldPHIArgBinOpIntoPHI()
422   PHINode *NewLHS = nullptr, *NewRHS = nullptr;  in foldPHIArgBinOpIntoPHI()
424     NewLHS = PHINode::Create(LHSType, PN.getNumIncomingValues(),  in foldPHIArgBinOpIntoPHI()
432     NewRHS = PHINode::Create(RHSType, PN.getNumIncomingValues(),  in foldPHIArgBinOpIntoPHI()
474 Instruction *InstCombinerImpl::foldPHIArgGEPIntoPHI(PHINode &PN) {  in foldPHIArgGEPIntoPHI()
546   SmallVector<PHINode*, 16> OperandPhis(FixedOperands.size());  in foldPHIArgGEPIntoPHI()
552     PHINode *NewPN = PHINode::Create(FirstOp->getType(), e,  in foldPHIArgGEPIntoPHI()
570         if (PHINode *OpPhi = OperandPhis[op])  in foldPHIArgGEPIntoPHI()
635 Instruction *InstCombinerImpl::foldPHIArgLoadIntoPHI(PHINode &PN) {  in foldPHIArgLoadIntoPHI()
691   PHINode *NewPN = PHINode::Create(FirstLI->getOperand(0)->getType(),  in foldPHIArgLoadIntoPHI()
749 Instruction *InstCombinerImpl::foldPHIArgZextsIntoPHI(PHINode &Phi) {  in foldPHIArgZextsIntoPHI()
811   PHINode *NewPhi = PHINode::Create(NarrowType, NumIncomingValues,  in foldPHIArgZextsIntoPHI()
823 Instruction *InstCombinerImpl::foldPHIArgOpIntoPHI(PHINode &PN) {  in foldPHIArgOpIntoPHI()
882   PHINode *NewPN = PHINode::Create(FirstInst->getOperand(0)->getType(),  in foldPHIArgOpIntoPHI()
935 static bool DeadPHICycle(PHINode *PN,  in DeadPHICycle()
936                          SmallPtrSetImpl<PHINode*> &PotentiallyDeadPHIs) {  in DeadPHICycle()
948   if (PHINode *PU = dyn_cast<PHINode>(PN->user_back()))  in DeadPHICycle()
957 static bool PHIsEqualValue(PHINode *PN, Value *NonPhiInVal,  in PHIsEqualValue()
958                            SmallPtrSetImpl<PHINode*> &ValueEqualPHIs) {  in PHIsEqualValue()
970     if (PHINode *OpPN = dyn_cast<PHINode>(Op)) {  in PHIsEqualValue()
982 static ConstantInt *GetAnyNonZeroConstInt(PHINode &PN) {  in GetAnyNonZeroConstInt()
1011   PHINode *PN;        // The PHI that was lowered.
1015   LoweredPHIRecord(PHINode *pn, unsigned Sh, Type *Ty)  in LoweredPHIRecord()
1019   LoweredPHIRecord(PHINode *pn, unsigned Sh)  in LoweredPHIRecord()
1034       return DenseMapInfo<PHINode*>::getHashValue(Val.PN) ^ (Val.Shift>>3) ^  in getHashValue()
1054 Instruction *InstCombinerImpl::SliceUpIllegalIntegerPHI(PHINode &FirstPhi) {  in SliceUpIllegalIntegerPHI()
1063   SmallVector<PHINode*, 8> PHIsToSlice;  in SliceUpIllegalIntegerPHI()
1064   SmallPtrSet<PHINode*, 8> PHIsInspected;  in SliceUpIllegalIntegerPHI()
1070     PHINode *PN = PHIsToSlice[PHIId];  in SliceUpIllegalIntegerPHI()
1092       if (PHINode *UserPN = dyn_cast<PHINode>(UserI)) {  in SliceUpIllegalIntegerPHI()
1138   DenseMap<LoweredPHIRecord, PHINode*> ExtractedVals;  in SliceUpIllegalIntegerPHI()
1142     PHINode *PN = PHIsToSlice[PHIId];  in SliceUpIllegalIntegerPHI()
1146     PHINode *EltPHI;  in SliceUpIllegalIntegerPHI()
1153       EltPHI = PHINode::Create(Ty, PN->getNumIncomingValues(),  in SliceUpIllegalIntegerPHI()
1176         if (PHINode *InPHI = dyn_cast<PHINode>(PN)) {  in SliceUpIllegalIntegerPHI()
1200         if (PHINode *OldInVal = dyn_cast<PHINode>(PN->getIncomingValue(i)))  in SliceUpIllegalIntegerPHI()
1228 static Value *SimplifyUsingControlFlow(InstCombiner &Self, PHINode &PN,  in SimplifyUsingControlFlow()
1302 Instruction *InstCombinerImpl::visitPHINode(PHINode &PN) {  in visitPHINode()
1346     if (PHINode *PU = dyn_cast<PHINode>(PHIUser)) {  in visitPHINode()
1347       SmallPtrSet<PHINode*, 16> PotentiallyDeadPHIs;  in visitPHINode()
1406            isa<PHINode>(PN.getIncomingValue(InValNo)))  in visitPHINode()
1416         if (OpVal != NonPhiInVal && !isa<PHINode>(OpVal))  in visitPHINode()
1424         SmallPtrSet<PHINode*, 16> ValueEqualPHIs;  in visitPHINode()
1435   PHINode *FirstPN = cast<PHINode>(PN.getParent()->begin());  in visitPHINode()
1456   for (PHINode &IdenticalPN : PN.getParent()->phis()) {  in visitPHINode()