830 struct NarrowIVDefUse {  struct
840   NarrowIVDefUse(Instruction *ND, Instruction *NU, Instruction *WD,  in NarrowIVDefUse()  function
870   SmallVector<NarrowIVDefUse, 8> NarrowIVUsers;
896   Instruction *cloneIVUser(NarrowIVDefUse DU, const SCEVAddRecExpr *WideAR);
897   Instruction *cloneArithmeticIVUser(NarrowIVDefUse DU,
899   Instruction *cloneBitwiseIVUser(NarrowIVDefUse DU);
903   const SCEVAddRecExpr* getExtendedOperandRecurrence(NarrowIVDefUse DU);
908   Instruction *widenIVUse(NarrowIVDefUse DU, SCEVExpander &Rewriter);
910   bool widenLoopCompare(NarrowIVDefUse DU);
944 Instruction *WidenIV::cloneIVUser(NarrowIVDefUse DU,  in cloneIVUser()
966 Instruction *WidenIV::cloneBitwiseIVUser(NarrowIVDefUse DU) {  in cloneBitwiseIVUser()
995 Instruction *WidenIV::cloneArithmeticIVUser(NarrowIVDefUse DU,  in cloneArithmeticIVUser()
1103 const SCEVAddRecExpr* WidenIV::getExtendedOperandRecurrence(NarrowIVDefUse DU) {  in getExtendedOperandRecurrence()
1177 static void truncateIVUse(NarrowIVDefUse DU, DominatorTree *DT, LoopInfo *LI) {  in truncateIVUse()
1189 bool WidenIV::widenLoopCompare(NarrowIVDefUse DU) {  in widenLoopCompare()
1232 Instruction *WidenIV::widenIVUse(NarrowIVDefUse DU, SCEVExpander &Rewriter) {  in widenIVUse()
1359         NarrowIVDefUse(NarrowDef, NarrowUser, WideDef, NeverNegative));  in pushNarrowIVUsers()
1425     NarrowIVDefUse DU = NarrowIVUsers.pop_back_val();  in createWideIV()