1586 struct IVInc {  struct
1591   IVInc(Instruction *U, Value *O, const SCEV *E):  in IVInc()  function
1598   SmallVector<IVInc,1> Incs;
1603   IVChain(const IVInc &Head, const SCEV *Base)  in IVChain()
1606   typedef SmallVectorImpl<IVInc>::const_iterator const_iterator;
1621   void add(const IVInc &X) { Incs.push_back(X); }  in add()
2568   for (const IVInc &Inc : Chain) {  in isProfitableChain()
2666     IVChainVec.push_back(IVChain(IVInc(UserInst, IVOper, LastIncExpr),  in ChainInstruction()
2675     IVChainVec[ChainIdx].add(IVInc(UserInst, IVOper, LastIncExpr));  in ChainInstruction()
2818   for (const IVInc &Inc : Chain) {  in FinalizeChain()
2852   const IVInc &Head = Chain.Incs[0];  in GenerateIVChain()
2885   for (const IVInc &Inc : Chain) {  in GenerateIVChain()