352 static bool doesCalleeRestoreStack(CallingConv::ID CallConv, bool TailCallOpt) {  in doesCalleeRestoreStack()
353   return (CallConv == CallingConv::Fast && TailCallOpt) ||  in doesCalleeRestoreStack()
354          CallConv == CallingConv::Tail || CallConv == CallingConv::SwiftTail;  in doesCalleeRestoreStack()
386     CallingConv::ID CC = F.getCallingConv();  in lowerReturn()
475                                          CallingConv::ID CallConv,  in canLowerReturn()
654   if (F.getCallingConv() == CallingConv::ARM64EC_Thunk_Native ||  in lowerFormalArguments()
655       F.getCallingConv() == CallingConv::ARM64EC_Thunk_X64)  in lowerFormalArguments()
781 static bool canGuaranteeTCO(CallingConv::ID CC, bool GuaranteeTailCalls) {  in canGuaranteeTCO()
782   return (CC == CallingConv::Fast && GuaranteeTailCalls) ||  in canGuaranteeTCO()
783          CC == CallingConv::Tail || CC == CallingConv::SwiftTail;  in canGuaranteeTCO()
787 static bool mayTailCallThisCC(CallingConv::ID CC) {  in mayTailCallThisCC()
789   case CallingConv::C:  in mayTailCallThisCC()
790   case CallingConv::PreserveMost:  in mayTailCallThisCC()
791   case CallingConv::PreserveAll:  in mayTailCallThisCC()
792   case CallingConv::PreserveNone:  in mayTailCallThisCC()
793   case CallingConv::Swift:  in mayTailCallThisCC()
794   case CallingConv::SwiftTail:  in mayTailCallThisCC()
795   case CallingConv::Tail:  in mayTailCallThisCC()
796   case CallingConv::Fast:  in mayTailCallThisCC()
806 getAssignFnsForCC(CallingConv::ID CC, const AArch64TargetLowering &TLI) {  in getAssignFnsForCC()
814   CallingConv::ID CalleeCC = Info.CallConv;  in doCallerAndCalleePassArgsTheSameWay()
815   CallingConv::ID CallerCC = CallerF.getCallingConv();  in doCallerAndCalleePassArgsTheSameWay()
862   CallingConv::ID CalleeCC = Info.CallConv;  in areCalleeOutgoingArgsTailCallable()
863   CallingConv::ID CallerCC = CallerF.getCallingConv();  in areCalleeOutgoingArgsTailCallable()
929   CallingConv::ID CalleeCC = Info.CallConv;  in isEligibleForTailCallOptimization()
1002   assert((!Info.IsVarArg || CalleeCC == CallingConv::C) &&  in isEligibleForTailCallOptimization()
1092                    Info.CallConv != CallingConv::Tail &&  in lowerTailCall()
1093                    Info.CallConv != CallingConv::SwiftTail;  in lowerTailCall()
1096   CallingConv::ID CalleeCC = Info.CallConv;  in lowerTailCall()
1277   if (Info.CallConv == CallingConv::ARM64EC_Thunk_Native ||  in lowerCall()
1278       Info.CallConv == CallingConv::ARM64EC_Thunk_X64)  in lowerCall()