2960   unsigned ChainIdx = 0, NChains = IVChainVec.size();  in ChainInstruction()  local
2962   for (; ChainIdx < NChains; ++ChainIdx) {  in ChainInstruction()
2963     IVChain &Chain = IVChainVec[ChainIdx];  in ChainInstruction()
2993   if (ChainIdx == NChains) {  in ChainInstruction()
3010     LLVM_DEBUG(dbgs() << "IV Chain#" << ChainIdx << " Head: (" << *UserInst  in ChainInstruction()
3013     LLVM_DEBUG(dbgs() << "IV Chain#" << ChainIdx << "  Inc: (" << *UserInst  in ChainInstruction()
3016     IVChainVec[ChainIdx].add(IVInc(UserInst, IVOper, LastIncExpr));  in ChainInstruction()
3018   IVChain &Chain = IVChainVec[ChainIdx];  in ChainInstruction()
3020   SmallPtrSet<Instruction*,4> &NearUsers = ChainUsersVec[ChainIdx].NearUsers;  in ChainInstruction()
3023     ChainUsersVec[ChainIdx].FarUsers.insert(NearUsers.begin(),  in ChainInstruction()
3058   ChainUsersVec[ChainIdx].FarUsers.erase(UserInst);  in ChainInstruction()
3109       for (unsigned ChainIdx = 0, NChains = IVChainVec.size();  in CollectChains()  local
3110            ChainIdx < NChains; ++ChainIdx) {  in CollectChains()
3111         ChainUsersVec[ChainIdx].NearUsers.erase(&I);  in CollectChains()
3136   unsigned ChainIdx = 0;  in CollectChains()  local
3143     if (ChainIdx != UsersIdx)  in CollectChains()
3144       IVChainVec[ChainIdx] = IVChainVec[UsersIdx];  in CollectChains()
3145     FinalizeChain(IVChainVec[ChainIdx]);  in CollectChains()
3146     ++ChainIdx;  in CollectChains()
3148   IVChainVec.resize(ChainIdx);  in CollectChains()