674 bool SCEVExpander::isNormalAddRecExprPHI(PHINode *PN, Instruction *IncV,  in isNormalAddRecExprPHI()  argument
696   if (IncV == PN)  in isNormalAddRecExprPHI()
699   return isNormalAddRecExprPHI(PN, IncV, L);  in isNormalAddRecExprPHI()
838 bool SCEVExpander::isExpandedAddRecExprPHI(PHINode *PN, Instruction *IncV,  in isExpandedAddRecExprPHI()  argument
843     if (IVOper == PN)  in isExpandedAddRecExprPHI()
852 Value *SCEVExpander::expandIVInc(PHINode *PN, Value *StepV, const Loop *L,  in expandIVInc()  argument
856   if (PN->getType()->isPointerTy()) {  in expandIVInc()
858     IncV = Builder.CreatePtrAdd(PN, StepV, "scevgep");  in expandIVInc()
861       Builder.CreateSub(PN, StepV, Twine(IVName) + ".iv.next") :  in expandIVInc()
862       Builder.CreateAdd(PN, StepV, Twine(IVName) + ".iv.next");  in expandIVInc()
954     for (PHINode &PN : L->getHeader()->phis()) {  in getAddRecExprPHILiterally()
955       if (!SE.isSCEVable(PN.getType()))  in getAddRecExprPHILiterally()
960       if (!PN.isComplete()) {  in getAddRecExprPHILiterally()
962             DebugType, dbgs() << "One incomplete PHI is found: " << PN << "\n");  in getAddRecExprPHILiterally()
966       const SCEVAddRecExpr *PhiSCEV = dyn_cast<SCEVAddRecExpr>(SE.getSCEV(&PN));  in getAddRecExprPHILiterally()
979           dyn_cast<Instruction>(PN.getIncomingValueForBlock(LatchBlock));  in getAddRecExprPHILiterally()
985         if (!isExpandedAddRecExprPHI(&PN, TempIncV, L))  in getAddRecExprPHILiterally()
988         if (!isNormalAddRecExprPHI(&PN, TempIncV, L))  in getAddRecExprPHILiterally()
997         AddRecPhiMatch = &PN;  in getAddRecExprPHILiterally()
1007         AddRecPhiMatch = &PN;  in getAddRecExprPHILiterally()
1073   PHINode *PN =  in getAddRecExprPHILiterally()  local
1080       PN->addIncoming(StartV, Pred);  in getAddRecExprPHILiterally()
1090     Value *IncV = expandIVInc(PN, StepV, L, useSubtract);  in getAddRecExprPHILiterally()
1098     PN->addIncoming(IncV, Pred);  in getAddRecExprPHILiterally()
1107   InsertedValues.insert(PN);  in getAddRecExprPHILiterally()
1108   InsertedIVs.push_back(PN);  in getAddRecExprPHILiterally()
1109   return PN;  in getAddRecExprPHILiterally()
1135   PHINode *PN = getAddRecExprPHILiterally(Normalized, L, TruncTy, InvertStep);  in expandAddRecExprLiterally()  local
1140     Result = PN;  in expandAddRecExprLiterally()
1145     Result = PN->getIncomingValueForBlock(LatchBlock);  in expandAddRecExprLiterally()
1183       Result = expandIVInc(PN, StepV, L, useSubtract);  in expandAddRecExprLiterally()
1221   if (PHINode *PN = L->getCanonicalInductionVariable())  in visitAddRecExpr()  local
1222     if (SE.getTypeSizeInBits(PN->getType()) >= SE.getTypeSizeInBits(Ty))  in visitAddRecExpr()
1223       CanonicalIV = PN;  in visitAddRecExpr()
1654     if (PHINode *PN = dyn_cast<PHINode>(OrigInc))  in replaceCongruentIVInc()  local
1655       IP = PN->getParent()->getFirstInsertionPt();  in replaceCongruentIVInc()
1680   for (PHINode &PN : L->getHeader()->phis())  in replaceCongruentIVs()
1681     Phis.push_back(&PN);  in replaceCongruentIVs()
1699     auto SimplifyPHINode = [&](PHINode *PN) -> Value * {  in replaceCongruentIVs()  argument
1700       if (Value *V = simplifyInstruction(PN, {DL, &SE.TLI, &SE.DT, &SE.AC}))  in replaceCongruentIVs()
1702       if (!SE.isSCEVable(PN->getType()))  in replaceCongruentIVs()
1704       auto *Const = dyn_cast<SCEVConstant>(SE.getSCEV(PN));  in replaceCongruentIVs()
2282   for (PHINode *PN : InsertedPHIs)  in fixupLCSSAFormFor()
2283     rememberInstruction(PN);  in fixupLCSSAFormFor()
2284   for (PHINode *PN : PHIsToRemove) {  in fixupLCSSAFormFor()
2285     if (!PN->use_empty())  in fixupLCSSAFormFor()
2287     InsertedValues.erase(PN);  in fixupLCSSAFormFor()
2288     InsertedPostIncValues.erase(PN);  in fixupLCSSAFormFor()
2289     PN->eraseFromParent();  in fixupLCSSAFormFor()