28 Instruction *InstCombiner::FoldPHIArgBinOpIntoPHI(PHINode &PN) {  in FoldPHIArgBinOpIntoPHI()
69   PHINode *NewLHS = nullptr, *NewRHS = nullptr;  in FoldPHIArgBinOpIntoPHI()
71     NewLHS = PHINode::Create(LHSType, PN.getNumIncomingValues(),  in FoldPHIArgBinOpIntoPHI()
79     NewRHS = PHINode::Create(RHSType, PN.getNumIncomingValues(),  in FoldPHIArgBinOpIntoPHI()
121 Instruction *InstCombiner::FoldPHIArgGEPIntoPHI(PHINode &PN) {  in FoldPHIArgGEPIntoPHI()
192   SmallVector<PHINode*, 16> OperandPhis(FixedOperands.size());  in FoldPHIArgGEPIntoPHI()
198     PHINode *NewPN = PHINode::Create(FirstOp->getType(), e,  in FoldPHIArgGEPIntoPHI()
216         if (PHINode *OpPhi = OperandPhis[op])  in FoldPHIArgGEPIntoPHI()
276 Instruction *InstCombiner::FoldPHIArgLoadIntoPHI(PHINode &PN) {  in FoldPHIArgLoadIntoPHI()
337   PHINode *NewPN = PHINode::Create(FirstLI->getOperand(0)->getType(),  in FoldPHIArgLoadIntoPHI()
393 Instruction *InstCombiner::FoldPHIArgZextsIntoPHI(PHINode &Phi) {  in FoldPHIArgZextsIntoPHI()
455   PHINode *NewPhi = PHINode::Create(NarrowType, NumIncomingValues,  in FoldPHIArgZextsIntoPHI()
467 Instruction *InstCombiner::FoldPHIArgOpIntoPHI(PHINode &PN) {  in FoldPHIArgOpIntoPHI()
522   PHINode *NewPN = PHINode::Create(FirstInst->getOperand(0)->getType(),  in FoldPHIArgOpIntoPHI()
575 static bool DeadPHICycle(PHINode *PN,  in DeadPHICycle()
576                          SmallPtrSetImpl<PHINode*> &PotentiallyDeadPHIs) {  in DeadPHICycle()
588   if (PHINode *PU = dyn_cast<PHINode>(PN->user_back()))  in DeadPHICycle()
597 static bool PHIsEqualValue(PHINode *PN, Value *NonPhiInVal,  in PHIsEqualValue()
598                            SmallPtrSetImpl<PHINode*> &ValueEqualPHIs) {  in PHIsEqualValue()
610     if (PHINode *OpPN = dyn_cast<PHINode>(Op)) {  in PHIsEqualValue()
622 static ConstantInt *GetAnyNonZeroConstInt(PHINode &PN) {  in GetAnyNonZeroConstInt()
651   PHINode *PN;        // The PHI that was lowered.
655   LoweredPHIRecord(PHINode *pn, unsigned Sh, Type *Ty)  in LoweredPHIRecord()
659   LoweredPHIRecord(PHINode *pn, unsigned Sh)  in LoweredPHIRecord()
674       return DenseMapInfo<PHINode*>::getHashValue(Val.PN) ^ (Val.Shift>>3) ^  in getHashValue()
694 Instruction *InstCombiner::SliceUpIllegalIntegerPHI(PHINode &FirstPhi) {  in SliceUpIllegalIntegerPHI()
703   SmallVector<PHINode*, 8> PHIsToSlice;  in SliceUpIllegalIntegerPHI()
704   SmallPtrSet<PHINode*, 8> PHIsInspected;  in SliceUpIllegalIntegerPHI()
710     PHINode *PN = PHIsToSlice[PHIId];  in SliceUpIllegalIntegerPHI()
732       if (PHINode *UserPN = dyn_cast<PHINode>(UserI)) {  in SliceUpIllegalIntegerPHI()
774   DenseMap<LoweredPHIRecord, PHINode*> ExtractedVals;  in SliceUpIllegalIntegerPHI()
778     PHINode *PN = PHIsToSlice[PHIId];  in SliceUpIllegalIntegerPHI()
782     PHINode *EltPHI;  in SliceUpIllegalIntegerPHI()
789       EltPHI = PHINode::Create(Ty, PN->getNumIncomingValues(),  in SliceUpIllegalIntegerPHI()
812         if (PHINode *InPHI = dyn_cast<PHINode>(PN)) {  in SliceUpIllegalIntegerPHI()
836         if (PHINode *OldInVal = dyn_cast<PHINode>(PN->getIncomingValue(i)))  in SliceUpIllegalIntegerPHI()
866 Instruction *InstCombiner::visitPHINode(PHINode &PN) {  in visitPHINode()
890     if (PHINode *PU = dyn_cast<PHINode>(PHIUser)) {  in visitPHINode()
891       SmallPtrSet<PHINode*, 16> PotentiallyDeadPHIs;  in visitPHINode()
943            isa<PHINode>(PN.getIncomingValue(InValNo)))  in visitPHINode()
953         if (OpVal != NonPhiInVal && !isa<PHINode>(OpVal))  in visitPHINode()
961         SmallPtrSet<PHINode*, 16> ValueEqualPHIs;  in visitPHINode()
972   PHINode *FirstPN = cast<PHINode>(PN.getParent()->begin());  in visitPHINode()