143   bool handleFloatingPointIV(Loop *L, PHINode *PH);
161                                  PHINode *IndVar, SCEVExpander &Rewriter);
207 bool IndVarSimplify::handleFloatingPointIV(Loop *L, PHINode *PN) {  in handleFloatingPointIV()
358   PHINode *NewPHI =  in handleFloatingPointIV()
359       PHINode::Create(Int32Ty, 2, PN->getName() + ".int", PN->getIterator());  in handleFloatingPointIV()
413   for (PHINode &PN : Header->phis())  in rewriteNonIntegerIVs()
418     if (PHINode *PN = dyn_cast_or_null<PHINode>(&*PHI))  in rewriteNonIntegerIVs()
449     for (PHINode &PN : ExitBB->phis()) {  in rewriteFirstIterationLoopExitValues()
479         auto *ExitVal = dyn_cast<PHINode>(PN.getIncomingValue(IncomingValIdx));  in rewriteFirstIterationLoopExitValues()
572   PHINode *IVPhi;
577   IndVarSimplifyVisitor(PHINode *IV, ScalarEvolution *SCEV,  in IndVarSimplifyVisitor()
605   SmallVector<PHINode *, 8> LoopPhis;  in simplifyAndExtend()
606   for (PHINode &PN : L->getHeader()->phis())  in simplifyAndExtend()
622       PHINode *CurrIV = LoopPhis.pop_back_val();  in simplifyAndExtend()
644       if (PHINode *WidePhi = createWideIV(WideIVs.back(), LI, SE, Rewriter,  in simplifyAndExtend()
664 static PHINode *getLoopPhiForCounter(Value *IncV, Loop *L) {  in getLoopPhiForCounter()
682   PHINode *Phi = dyn_cast<PHINode>(IncI->getOperand(0));  in getLoopPhiForCounter()
692   Phi = dyn_cast<PHINode>(IncI->getOperand(1));  in getLoopPhiForCounter()
745   PHINode *Phi = dyn_cast<PHINode>(LHS);  in needsLFTR()
807 static bool isLoopCounter(PHINode* Phi, Loop *L,  in isLoopCounter()
836 static PHINode *FindLoopCounter(Loop *L, BasicBlock *ExitingBB,  in FindLoopCounter()
844   PHINode *BestPhi = nullptr;  in FindLoopCounter()
850   for (BasicBlock::iterator I = L->getHeader()->begin(); isa<PHINode>(I); ++I) {  in FindLoopCounter()
851     PHINode *Phi = cast<PHINode>(I);  in FindLoopCounter()
916 static Value *genLoopLimit(PHINode *IndVar, BasicBlock *ExitingBB,  in genLoopLimit()
953                           PHINode *IndVar, SCEVExpander &Rewriter) {  in linearFunctionTestReplace()
1107     if (isa<PHINode>(I))  in sinkUnusedInvariants()
1140       if (PHINode *P = dyn_cast<PHINode>(User)) {  in sinkUnusedInvariants()
1142           PHINode::getIncomingValueNumForOperand(U.getOperandNo());  in sinkUnusedInvariants()
2003       PHINode *IndVar = FindLoopCounter(L, ExitingBB, ExitCount, SE, DT);  in run()
2031     if (PHINode *PHI = dyn_cast_or_null<PHINode>(V))  in run()