153   bool handleFloatingPointIV(Loop *L, PHINode *PH);
171                                  PHINode *IndVar, SCEVExpander &Rewriter);
215 bool IndVarSimplify::handleFloatingPointIV(Loop *L, PHINode *PN) {  in handleFloatingPointIV()
366   PHINode *NewPHI = PHINode::Create(Int32Ty, 2, PN->getName()+".int", PN);  in handleFloatingPointIV()
416   for (PHINode &PN : Header->phis())  in rewriteNonIntegerIVs()
421     if (PHINode *PN = dyn_cast_or_null<PHINode>(&*PHIs[i]))  in rewriteNonIntegerIVs()
452     for (PHINode &PN : ExitBB->phis()) {  in rewriteFirstIterationLoopExitValues()
482         auto *ExitVal = dyn_cast<PHINode>(PN.getIncomingValue(IncomingValIdx));  in rewriteFirstIterationLoopExitValues()
575   PHINode *IVPhi;
580   IndVarSimplifyVisitor(PHINode *IV, ScalarEvolution *SCEV,  in IndVarSimplifyVisitor()
608   SmallVector<PHINode *, 8> LoopPhis;  in simplifyAndExtend()
609   for (PHINode &PN : L->getHeader()->phis())  in simplifyAndExtend()
625       PHINode *CurrIV = LoopPhis.pop_back_val();  in simplifyAndExtend()
645       if (PHINode *WidePhi = createWideIV(WideIVs.back(), LI, SE, Rewriter,  in simplifyAndExtend()
665 static PHINode *getLoopPhiForCounter(Value *IncV, Loop *L) {  in getLoopPhiForCounter()
683   PHINode *Phi = dyn_cast<PHINode>(IncI->getOperand(0));  in getLoopPhiForCounter()
693   Phi = dyn_cast<PHINode>(IncI->getOperand(1));  in getLoopPhiForCounter()
746   PHINode *Phi = dyn_cast<PHINode>(LHS);  in needsLFTR()
849 static bool AlmostDeadIV(PHINode *Phi, BasicBlock *LatchBlock, Value *Cond) {  in AlmostDeadIV()
864 static bool isLoopCounter(PHINode* Phi, Loop *L,  in isLoopCounter()
893 static PHINode *FindLoopCounter(Loop *L, BasicBlock *ExitingBB,  in FindLoopCounter()
901   PHINode *BestPhi = nullptr;  in FindLoopCounter()
907   for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ++I) {  in FindLoopCounter()
908     PHINode *Phi = cast<PHINode>(I);  in FindLoopCounter()
977 static Value *genLoopLimit(PHINode *IndVar, BasicBlock *ExitingBB,  in genLoopLimit()
1063                           PHINode *IndVar, SCEVExpander &Rewriter) {  in linearFunctionTestReplace()
1218     if (isa<PHINode>(I))  in sinkUnusedInvariants()
1251       if (PHINode *P = dyn_cast<PHINode>(User)) {  in sinkUnusedInvariants()
1253           PHINode::getIncomingValueNumForOperand(U.getOperandNo());  in sinkUnusedInvariants()
2003       PHINode *IndVar = FindLoopCounter(L, ExitingBB, ExitCount, SE, DT);  in run()
2039     if (PHINode *PHI = dyn_cast_or_null<PHINode>(V))  in run()