1091     SDValue Chain, CallingConv::ID CallConv, bool IsVarArg,  in LowerFormalArguments()  argument
1127   CCState CCInfo(CallConv, IsVarArg, MF, ArgLocs, *DAG.getContext());  in LowerFormalArguments()
1164   if (IsVarArg) {  in LowerFormalArguments()
1239   auto IsVarArg = CLI.IsVarArg;  in IsEligibleForTailCallOptimization()  local
1257   if (IsVarArg)  in IsEligibleForTailCallOptimization()
1325   bool IsVarArg = CLI.IsVarArg;  in LowerCall()  local
1333   CCState ArgCCInfo(CallConv, IsVarArg, MF, ArgLocs, *DAG.getContext());  in LowerCall()
1532   CCState RetCCInfo(CallConv, IsVarArg, MF, RVLocs, *DAG.getContext());  in LowerCall()
1563     CallingConv::ID CallConv, MachineFunction &MF, bool IsVarArg,  in CanLowerReturn()  argument
1566   CCState CCInfo(CallConv, IsVarArg, MF, RVLocs, Context);  in CanLowerReturn()
1579                                  bool IsVarArg,  in LowerReturn()  argument
1587   CCState CCInfo(CallConv, IsVarArg, DAG.getMachineFunction(), RVLocs,  in LowerReturn()