142   bool handleFloatingPointIV(Loop *L, PHINode *PH);
154                                  PHINode *IndVar, SCEVExpander &Rewriter);
227   PHINode *PHI = dyn_cast<PHINode>(User);  in getInsertPointForUses()
287 bool IndVarSimplify::handleFloatingPointIV(Loop *L, PHINode *PN) {  in handleFloatingPointIV()
438   PHINode *NewPHI = PHINode::Create(Int32Ty, 2, PN->getName()+".int", PN);  in handleFloatingPointIV()
488   for (PHINode &PN : Header->phis())  in rewriteNonIntegerIVs()
493     if (PHINode *PN = dyn_cast_or_null<PHINode>(&*PHIs[i]))  in rewriteNonIntegerIVs()
509   PHINode *PN;
520   RewritePhi(PHINode *P, unsigned I, Value *V, bool H)  in RewritePhi()
579     PHINode *PN = dyn_cast<PHINode>(ExitBB->begin());  in rewriteLoopExitValues()
586     while ((PN = dyn_cast<PHINode>(BBI++))) {  in rewriteLoopExitValues()
664     PHINode *PN = Phi.PN;  in rewriteLoopExitValues()
720     for (PHINode &PN : ExitBB->phis()) {  in rewriteFirstIterationLoopExitValues()
748         auto *ExitVal = dyn_cast<PHINode>(PN.getIncomingValue(IncomingValIdx));  in rewriteFirstIterationLoopExitValues()
796   while (PHINode *P = dyn_cast<PHINode>(BI)) {  in canLoopBeDeleted()
838   PHINode *NarrowIV = nullptr;
925   PHINode *OrigPhi;
939   PHINode *WidePhi = nullptr;
972   void calculatePostIncRanges(PHINode *OrigPhi);
995   PHINode *createWideIV(SCEVExpander &Rewriter);
1502   if (PHINode *UsePhi = dyn_cast<PHINode>(DU.NarrowUse)) {  in widenIVUse()
1516         PHINode *WidePhi =  in widenIVUse()
1517           PHINode::Create(DU.WideDef->getType(), 1, UsePhi->getName() + ".wide",  in widenIVUse()
1675 PHINode *WidenIV::createWideIV(SCEVExpander &Rewriter) {  in createWideIV()
1720   WidePhi = cast<PHINode>(Rewriter.expandCodeFor(AddRec, WideType, InsertPt));  in createWideIV()
1854 void WidenIV::calculatePostIncRanges(PHINode *OrigPhi) {  in calculatePostIncRanges()
1894   PHINode *IVPhi;
1899   IndVarSimplifyVisitor(PHINode *IV, ScalarEvolution *SCEV,  in IndVarSimplifyVisitor()
1927   SmallVector<PHINode*, 8> LoopPhis;  in simplifyAndExtend()
1928   for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ++I) {  in simplifyAndExtend()
1929     LoopPhis.push_back(cast<PHINode>(I));  in simplifyAndExtend()
1944       PHINode *CurrIV = LoopPhis.pop_back_val();  in simplifyAndExtend()
1959       if (PHINode *WidePhi = Widener.createWideIV(Rewriter)) {  in simplifyAndExtend()
1975 static PHINode *getLoopPhiForCounter(Value *IncV, Loop *L) {  in getLoopPhiForCounter()
1993   PHINode *Phi = dyn_cast<PHINode>(IncI->getOperand(0));  in getLoopPhiForCounter()
2003   Phi = dyn_cast<PHINode>(IncI->getOperand(1));  in getLoopPhiForCounter()
2049   PHINode *Phi = dyn_cast<PHINode>(LHS);  in needsLFTR()
2152 static bool AlmostDeadIV(PHINode *Phi, BasicBlock *LatchBlock, Value *Cond) {  in AlmostDeadIV()
2167 static bool isLoopCounter(PHINode* Phi, Loop *L,  in isLoopCounter()
2195 static PHINode *FindLoopCounter(Loop *L, BasicBlock *ExitingBB,  in FindLoopCounter()
2203   PHINode *BestPhi = nullptr;  in FindLoopCounter()
2209   for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ++I) {  in FindLoopCounter()
2210     PHINode *Phi = cast<PHINode>(I);  in FindLoopCounter()
2282 static Value *genLoopLimit(PHINode *IndVar, BasicBlock *ExitingBB,  in genLoopLimit()
2372                           PHINode *IndVar, SCEVExpander &Rewriter) {  in linearFunctionTestReplace()
2545     if (isa<PHINode>(I))  in sinkUnusedInvariants()
2578       if (PHINode *P = dyn_cast<PHINode>(User)) {  in sinkUnusedInvariants()
2580           PHINode::getIncomingValueNumForOperand(U.getOperandNo());  in sinkUnusedInvariants()
2699       PHINode *IndVar = FindLoopCounter(L, ExitingBB, ExitCount, SE, DT);  in run()