709   Instruction *NarrowUse;  member
712   NarrowIVDefUse(): NarrowDef(nullptr), NarrowUse(nullptr), WideDef(nullptr) {}  in NarrowIVDefUse()
715     NarrowDef(ND), NarrowUse(NU), WideDef(WD) {}  in NarrowIVDefUse()
770   const SCEVAddRecExpr *GetWideRecurrence(Instruction *NarrowUse);
814   unsigned Opcode = DU.NarrowUse->getOpcode();  in CloneIVUser()
828     DEBUG(dbgs() << "Cloning IVUser: " << *DU.NarrowUse << "\n");  in CloneIVUser()
835     Value *LHS = (DU.NarrowUse->getOperand(0) == DU.NarrowDef) ? DU.WideDef :  in CloneIVUser()
836       getExtend(DU.NarrowUse->getOperand(0), WideType, IsSigned, DU.NarrowUse);  in CloneIVUser()
837     Value *RHS = (DU.NarrowUse->getOperand(1) == DU.NarrowDef) ? DU.WideDef :  in CloneIVUser()
838       getExtend(DU.NarrowUse->getOperand(1), WideType, IsSigned, DU.NarrowUse);  in CloneIVUser()
840     BinaryOperator *NarrowBO = cast<BinaryOperator>(DU.NarrowUse);  in CloneIVUser()
844     IRBuilder<> Builder(DU.NarrowUse);  in CloneIVUser()
874   const unsigned OpCode = DU.NarrowUse->getOpcode();  in GetExtendedOperandRecurrence()
883       DU.NarrowUse->getOperand(0) == DU.NarrowDef ? 1 : 0;  in GetExtendedOperandRecurrence()
884   assert(DU.NarrowUse->getOperand(1-ExtendOperIdx) == DU.NarrowDef && "bad DU");  in GetExtendedOperandRecurrence()
888     cast<OverflowingBinaryOperator>(DU.NarrowUse);  in GetExtendedOperandRecurrence()
891       SE->getSCEV(DU.NarrowUse->getOperand(ExtendOperIdx)), WideType);  in GetExtendedOperandRecurrence()
894       SE->getSCEV(DU.NarrowUse->getOperand(ExtendOperIdx)), WideType);  in GetExtendedOperandRecurrence()
923 const SCEVAddRecExpr *WidenIV::GetWideRecurrence(Instruction *NarrowUse) {  in GetWideRecurrence()  argument
924   if (!SE->isSCEVable(NarrowUse->getType()))  in GetWideRecurrence()
927   const SCEV *NarrowExpr = SE->getSCEV(NarrowUse);  in GetWideRecurrence()
948         << " for user " << *DU.NarrowUse << "\n");  in truncateIVUse()
949   IRBuilder<> Builder(getInsertPointForUses(DU.NarrowUse, DU.NarrowDef, DT));  in truncateIVUse()
951   DU.NarrowUse->replaceUsesOfWith(DU.NarrowDef, Trunc);  in truncateIVUse()
958   ICmpInst *Cmp = dyn_cast<ICmpInst>(DU.NarrowUse);  in WidenLoopCompare()
972   IRBuilder<> Builder(getInsertPointForUses(DU.NarrowUse, DU.NarrowDef, DT));  in WidenLoopCompare()
973   DU.NarrowUse->replaceUsesOfWith(DU.NarrowDef, DU.WideDef);  in WidenLoopCompare()
978     DU.NarrowUse->replaceUsesOfWith(Op, ExtOp);  in WidenLoopCompare()
988   if (PHINode *UsePhi = dyn_cast<PHINode>(DU.NarrowUse)) {  in WidenIVUse()
1011   if (IsSigned ? isa<SExtInst>(DU.NarrowUse) : isa<ZExtInst>(DU.NarrowUse)) {  in WidenIVUse()
1013     if (DU.NarrowUse->getType() != WideType) {  in WidenIVUse()
1014       unsigned CastWidth = SE->getTypeSizeInBits(DU.NarrowUse->getType());  in WidenIVUse()
1018         IRBuilder<> Builder(DU.NarrowUse);  in WidenIVUse()
1019         NewDef = Builder.CreateTrunc(DU.WideDef, DU.NarrowUse->getType());  in WidenIVUse()
1026               << " not wide enough to subsume " << *DU.NarrowUse << "\n");  in WidenIVUse()
1027         DU.NarrowUse->replaceUsesOfWith(DU.NarrowDef, DU.WideDef);  in WidenIVUse()
1028         NewDef = DU.NarrowUse;  in WidenIVUse()
1031     if (NewDef != DU.NarrowUse) {  in WidenIVUse()
1032       DEBUG(dbgs() << "INDVARS: eliminating " << *DU.NarrowUse  in WidenIVUse()
1035       DU.NarrowUse->replaceAllUsesWith(NewDef);  in WidenIVUse()
1036       DeadInsts.push_back(DU.NarrowUse);  in WidenIVUse()
1049   const SCEVAddRecExpr *WideAddRec = GetWideRecurrence(DU.NarrowUse);  in WidenIVUse()
1067   assert(DU.NarrowUse != DU.NarrowUse->getParent()->getTerminator() &&  in WidenIVUse()
1074       && Rewriter.hoistIVInc(WideInc, DU.NarrowUse))  in WidenIVUse()
1182       pushNarrowIVUsers(DU.NarrowUse, WideUse);  in CreateWideIV()