818 bool SCEVExpander::isNormalAddRecExprPHI(PHINode *PN, Instruction *IncV,  in isNormalAddRecExprPHI()  argument
820   if (IncV->getNumOperands() == 0 || isa<PHINode>(IncV) ||  in isNormalAddRecExprPHI()
821       (isa<CastInst>(IncV) && !isa<BitCastInst>(IncV)))  in isNormalAddRecExprPHI()
827     for (User::op_iterator OI = IncV->op_begin()+1,  in isNormalAddRecExprPHI()
828            OE = IncV->op_end(); OI != OE; ++OI)  in isNormalAddRecExprPHI()
834   IncV = dyn_cast<Instruction>(IncV->getOperand(0));  in isNormalAddRecExprPHI()
835   if (!IncV)  in isNormalAddRecExprPHI()
838   if (IncV->mayHaveSideEffects())  in isNormalAddRecExprPHI()
841   if (IncV != PN)  in isNormalAddRecExprPHI()
844   return isNormalAddRecExprPHI(PN, IncV, L);  in isNormalAddRecExprPHI()
856 Instruction *SCEVExpander::getIVIncOperand(Instruction *IncV,  in getIVIncOperand()  argument
859   if (IncV == InsertPos)  in getIVIncOperand()
862   switch (IncV->getOpcode()) {  in getIVIncOperand()
868     Instruction *OInst = dyn_cast<Instruction>(IncV->getOperand(1));  in getIVIncOperand()
870       return dyn_cast<Instruction>(IncV->getOperand(0));  in getIVIncOperand()
874     return dyn_cast<Instruction>(IncV->getOperand(0));  in getIVIncOperand()
876     for (Instruction::op_iterator I = IncV->op_begin()+1, E = IncV->op_end();  in getIVIncOperand()
892       if (IncV->getNumOperands() != 2)  in getIVIncOperand()
894       unsigned AS = cast<PointerType>(IncV->getType())->getAddressSpace();  in getIVIncOperand()
895       if (IncV->getType() != Type::getInt1PtrTy(SE.getContext(), AS)  in getIVIncOperand()
896           && IncV->getType() != Type::getInt8PtrTy(SE.getContext(), AS))  in getIVIncOperand()
900     return dyn_cast<Instruction>(IncV->getOperand(0));  in getIVIncOperand()
907 bool SCEVExpander::hoistIVInc(Instruction *IncV, Instruction *InsertPos) {  in hoistIVInc()  argument
908   if (SE.DT->dominates(IncV, InsertPos))  in hoistIVInc()
914       || !SE.DT->dominates(InsertPos->getParent(), IncV->getParent()))  in hoistIVInc()
920     Instruction *Oper = getIVIncOperand(IncV, InsertPos, /*allowScale*/true);  in hoistIVInc()
924     IVIncs.push_back(IncV);  in hoistIVInc()
925     IncV = Oper;  in hoistIVInc()
926     if (SE.DT->dominates(IncV, InsertPos))  in hoistIVInc()
941 bool SCEVExpander::isExpandedAddRecExprPHI(PHINode *PN, Instruction *IncV,  in isExpandedAddRecExprPHI()  argument
943   for(Instruction *IVOper = IncV;  in isExpandedAddRecExprPHI()
958   Value *IncV;  in expandIVInc()  local
968     IncV = expandAddToGEP(StepArray, StepArray+1, GEPPtrTy, IntTy, PN);  in expandIVInc()
969     if (IncV->getType() != PN->getType()) {  in expandIVInc()
970       IncV = Builder.CreateBitCast(IncV, PN->getType());  in expandIVInc()
971       rememberInstruction(IncV);  in expandIVInc()
974     IncV = useSubtract ?  in expandIVInc()
977     rememberInstruction(IncV);  in expandIVInc()
979   return IncV;  in expandIVInc()
1074     Instruction *IncV = nullptr;  in getAddRecExprPHILiterally()  local
1115         IncV = TempIncV;  in getAddRecExprPHILiterally()
1129         IncV = TempIncV;  in getAddRecExprPHILiterally()
1138         hoistBeforePos(SE.DT, IncV, IVIncInsertPos, AddRecPhiMatch);  in getAddRecExprPHILiterally()
1144       rememberInstruction(IncV);  in getAddRecExprPHILiterally()
1213     Value *IncV = expandIVInc(PN, StepV, L, ExpandTy, IntTy, useSubtract);  in getAddRecExprPHILiterally()  local
1215     if (isa<OverflowingBinaryOperator>(IncV)) {  in getAddRecExprPHILiterally()
1217         cast<BinaryOperator>(IncV)->setHasNoUnsignedWrap();  in getAddRecExprPHILiterally()
1219         cast<BinaryOperator>(IncV)->setHasNoSignedWrap();  in getAddRecExprPHILiterally()
1221     PN->addIncoming(IncV, Pred);  in getAddRecExprPHILiterally()