825 bool SCEVExpander::isNormalAddRecExprPHI(PHINode *PN, Instruction *IncV,  in isNormalAddRecExprPHI()  argument
827   if (IncV->getNumOperands() == 0 || isa<PHINode>(IncV) ||  in isNormalAddRecExprPHI()
828       (isa<CastInst>(IncV) && !isa<BitCastInst>(IncV)))  in isNormalAddRecExprPHI()
834     for (User::op_iterator OI = IncV->op_begin()+1,  in isNormalAddRecExprPHI()
835            OE = IncV->op_end(); OI != OE; ++OI)  in isNormalAddRecExprPHI()
841   IncV = dyn_cast<Instruction>(IncV->getOperand(0));  in isNormalAddRecExprPHI()
842   if (!IncV)  in isNormalAddRecExprPHI()
845   if (IncV->mayHaveSideEffects())  in isNormalAddRecExprPHI()
848   if (IncV != PN)  in isNormalAddRecExprPHI()
851   return isNormalAddRecExprPHI(PN, IncV, L);  in isNormalAddRecExprPHI()
863 Instruction *SCEVExpander::getIVIncOperand(Instruction *IncV,  in getIVIncOperand()  argument
866   if (IncV == InsertPos)  in getIVIncOperand()
869   switch (IncV->getOpcode()) {  in getIVIncOperand()
875     Instruction *OInst = dyn_cast<Instruction>(IncV->getOperand(1));  in getIVIncOperand()
877       return dyn_cast<Instruction>(IncV->getOperand(0));  in getIVIncOperand()
881     return dyn_cast<Instruction>(IncV->getOperand(0));  in getIVIncOperand()
883     for (auto I = IncV->op_begin() + 1, E = IncV->op_end(); I != E; ++I) {  in getIVIncOperand()
898       if (IncV->getNumOperands() != 2)  in getIVIncOperand()
900       unsigned AS = cast<PointerType>(IncV->getType())->getAddressSpace();  in getIVIncOperand()
901       if (IncV->getType() != Type::getInt1PtrTy(SE.getContext(), AS)  in getIVIncOperand()
902           && IncV->getType() != Type::getInt8PtrTy(SE.getContext(), AS))  in getIVIncOperand()
906     return dyn_cast<Instruction>(IncV->getOperand(0));  in getIVIncOperand()
913 bool SCEVExpander::hoistIVInc(Instruction *IncV, Instruction *InsertPos) {  in hoistIVInc()  argument
914   if (SE.DT.dominates(IncV, InsertPos))  in hoistIVInc()
920       !SE.DT.dominates(InsertPos->getParent(), IncV->getParent()))  in hoistIVInc()
923   if (!SE.LI.movementPreservesLCSSAForm(IncV, InsertPos))  in hoistIVInc()
929     Instruction *Oper = getIVIncOperand(IncV, InsertPos, /*allowScale*/true);  in hoistIVInc()
933     IVIncs.push_back(IncV);  in hoistIVInc()
934     IncV = Oper;  in hoistIVInc()
935     if (SE.DT.dominates(IncV, InsertPos))  in hoistIVInc()
949 bool SCEVExpander::isExpandedAddRecExprPHI(PHINode *PN, Instruction *IncV,  in isExpandedAddRecExprPHI()  argument
951   for(Instruction *IVOper = IncV;  in isExpandedAddRecExprPHI()
966   Value *IncV;  in expandIVInc()  local
976     IncV = expandAddToGEP(StepArray, StepArray+1, GEPPtrTy, IntTy, PN);  in expandIVInc()
977     if (IncV->getType() != PN->getType()) {  in expandIVInc()
978       IncV = Builder.CreateBitCast(IncV, PN->getType());  in expandIVInc()
979       rememberInstruction(IncV);  in expandIVInc()
982     IncV = useSubtract ?  in expandIVInc()
985     rememberInstruction(IncV);  in expandIVInc()
987   return IncV;  in expandIVInc()
1082     Instruction *IncV = nullptr;  in getAddRecExprPHILiterally()  local
1124         IncV = TempIncV;  in getAddRecExprPHILiterally()
1138         IncV = TempIncV;  in getAddRecExprPHILiterally()
1147         hoistBeforePos(&SE.DT, IncV, IVIncInsertPos, AddRecPhiMatch);  in getAddRecExprPHILiterally()
1153       rememberInstruction(IncV);  in getAddRecExprPHILiterally()
1222     Value *IncV = expandIVInc(PN, StepV, L, ExpandTy, IntTy, useSubtract);  in getAddRecExprPHILiterally()  local
1224     if (isa<OverflowingBinaryOperator>(IncV)) {  in getAddRecExprPHILiterally()
1226         cast<BinaryOperator>(IncV)->setHasNoUnsignedWrap();  in getAddRecExprPHILiterally()
1228         cast<BinaryOperator>(IncV)->setHasNoSignedWrap();  in getAddRecExprPHILiterally()
1230     PN->addIncoming(IncV, Pred);  in getAddRecExprPHILiterally()