6374   StringRef ContextName, BaseName, Parameters;  in validateSwiftFunctionName()  local
6376   std::tie(BaseName, Parameters) = Name.split('(');  in validateSwiftFunctionName()
6380   std::tie(ContextName, BaseName) = BaseName.split('.');  in validateSwiftFunctionName()
6381   if (BaseName.empty()) {  in validateSwiftFunctionName()
6382     BaseName = ContextName;  in validateSwiftFunctionName()
6392   if (!isValidAsciiIdentifier(BaseName) || BaseName == "_") {  in validateSwiftFunctionName()
6398   bool IsSubscript = BaseName == "subscript";  in validateSwiftFunctionName()
6480         SwiftParamCount == 1 && BaseName == "init" && CurrentParam != "_";  in validateSwiftFunctionName()
6604     StringRef ContextName, BaseName;  in DiagnoseSwiftName()  local
6606     std::tie(ContextName, BaseName) = Name.split('.');  in DiagnoseSwiftName()
6607     if (BaseName.empty()) {  in DiagnoseSwiftName()
6608       BaseName = ContextName;  in DiagnoseSwiftName()
6616     if (!isValidAsciiIdentifier(BaseName)) {  in DiagnoseSwiftName()