707 struct NarrowIVDefUse {  struct
712   NarrowIVDefUse(): NarrowDef(nullptr), NarrowUse(nullptr), WideDef(nullptr) {}  in NarrowIVDefUse()  argument
714   NarrowIVDefUse(Instruction *ND, Instruction *NU, Instruction *WD):  in NarrowIVDefUse()  function
742   SmallVector<NarrowIVDefUse, 8> NarrowIVUsers;
768   Instruction *CloneIVUser(NarrowIVDefUse DU);
772   const SCEVAddRecExpr* GetExtendedOperandRecurrence(NarrowIVDefUse DU);
777   Instruction *WidenIVUse(NarrowIVDefUse DU, SCEVExpander &Rewriter);
779   bool WidenLoopCompare(NarrowIVDefUse DU);
813 Instruction *WidenIV::CloneIVUser(NarrowIVDefUse DU) {  in CloneIVUser()
871 const SCEVAddRecExpr* WidenIV::GetExtendedOperandRecurrence(NarrowIVDefUse DU) {  in GetExtendedOperandRecurrence()
946 static void truncateIVUse(NarrowIVDefUse DU, DominatorTree *DT) {  in truncateIVUse()
957 bool WidenIV::WidenLoopCompare(NarrowIVDefUse DU) {  in WidenLoopCompare()
985 Instruction *WidenIV::WidenIVUse(NarrowIVDefUse DU, SCEVExpander &Rewriter) {  in WidenIVUse()
1107     NarrowIVUsers.push_back(NarrowIVDefUse(NarrowDef, NarrowUser, WideDef));  in pushNarrowIVUsers()
1174     NarrowIVDefUse DU = NarrowIVUsers.pop_back_val();  in CreateWideIV()