26 Instruction *InstCombiner::FoldPHIArgBinOpIntoPHI(PHINode &PN) {  in FoldPHIArgBinOpIntoPHI()
83   PHINode *NewLHS = nullptr, *NewRHS = nullptr;  in FoldPHIArgBinOpIntoPHI()
85     NewLHS = PHINode::Create(LHSType, PN.getNumIncomingValues(),  in FoldPHIArgBinOpIntoPHI()
93     NewRHS = PHINode::Create(RHSType, PN.getNumIncomingValues(),  in FoldPHIArgBinOpIntoPHI()
132 Instruction *InstCombiner::FoldPHIArgGEPIntoPHI(PHINode &PN) {  in FoldPHIArgGEPIntoPHI()
203   SmallVector<PHINode*, 16> OperandPhis(FixedOperands.size());  in FoldPHIArgGEPIntoPHI()
209     PHINode *NewPN = PHINode::Create(FirstOp->getType(), e,  in FoldPHIArgGEPIntoPHI()
227         if (PHINode *OpPhi = OperandPhis[op])  in FoldPHIArgGEPIntoPHI()
287 Instruction *InstCombiner::FoldPHIArgLoadIntoPHI(PHINode &PN) {  in FoldPHIArgLoadIntoPHI()
348   PHINode *NewPN = PHINode::Create(FirstLI->getOperand(0)->getType(),  in FoldPHIArgLoadIntoPHI()
391 Instruction *InstCombiner::FoldPHIArgOpIntoPHI(PHINode &PN) {  in FoldPHIArgOpIntoPHI()
456   PHINode *NewPN = PHINode::Create(FirstInst->getOperand(0)->getType(),  in FoldPHIArgOpIntoPHI()
508 static bool DeadPHICycle(PHINode *PN,  in DeadPHICycle()
509                          SmallPtrSet<PHINode*, 16> &PotentiallyDeadPHIs) {  in DeadPHICycle()  argument
521   if (PHINode *PU = dyn_cast<PHINode>(PN->user_back()))  in DeadPHICycle()
530 static bool PHIsEqualValue(PHINode *PN, Value *NonPhiInVal,  in PHIsEqualValue()
531                            SmallPtrSet<PHINode*, 16> &ValueEqualPHIs) {  in PHIsEqualValue()  argument
544     if (PHINode *OpPN = dyn_cast<PHINode>(Op)) {  in PHIsEqualValue()
575   PHINode *PN;        // The PHI that was lowered.
579   LoweredPHIRecord(PHINode *pn, unsigned Sh, Type *Ty)  in LoweredPHIRecord()
583   LoweredPHIRecord(PHINode *pn, unsigned Sh)  in LoweredPHIRecord()
598       return DenseMapInfo<PHINode*>::getHashValue(Val.PN) ^ (Val.Shift>>3) ^  in getHashValue()
618 Instruction *InstCombiner::SliceUpIllegalIntegerPHI(PHINode &FirstPhi) {  in SliceUpIllegalIntegerPHI()
627   SmallVector<PHINode*, 8> PHIsToSlice;  in SliceUpIllegalIntegerPHI()
628   SmallPtrSet<PHINode*, 8> PHIsInspected;  in SliceUpIllegalIntegerPHI()
634     PHINode *PN = PHIsToSlice[PHIId];  in SliceUpIllegalIntegerPHI()
656       if (PHINode *UserPN = dyn_cast<PHINode>(UserI)) {  in SliceUpIllegalIntegerPHI()
698   DenseMap<LoweredPHIRecord, PHINode*> ExtractedVals;  in SliceUpIllegalIntegerPHI()
702     PHINode *PN = PHIsToSlice[PHIId];  in SliceUpIllegalIntegerPHI()
706     PHINode *EltPHI;  in SliceUpIllegalIntegerPHI()
713       EltPHI = PHINode::Create(Ty, PN->getNumIncomingValues(),  in SliceUpIllegalIntegerPHI()
736         if (PHINode *InPHI = dyn_cast<PHINode>(PN)) {  in SliceUpIllegalIntegerPHI()
760         if (PHINode *OldInVal = dyn_cast<PHINode>(PN->getIncomingValue(i)))  in SliceUpIllegalIntegerPHI()
790 Instruction *InstCombiner::visitPHINode(PHINode &PN) {  in visitPHINode()
811     if (PHINode *PU = dyn_cast<PHINode>(PHIUser)) {  in visitPHINode()
812       SmallPtrSet<PHINode*, 16> PotentiallyDeadPHIs;  in visitPHINode()
841            isa<PHINode>(PN.getIncomingValue(InValNo)))  in visitPHINode()
851         if (OpVal != NonPhiInVal && !isa<PHINode>(OpVal))  in visitPHINode()
859         SmallPtrSet<PHINode*, 16> ValueEqualPHIs;  in visitPHINode()
870   PHINode *FirstPN = cast<PHINode>(PN.getParent()->begin());  in visitPHINode()