47 static void warn(Twine Message, std::string Whence = "",  in warn()  argument
50   if (!Whence.empty())  in warn()
51     errs() << Whence << ": ";  in warn()
57 static void exitWithError(Twine Message, std::string Whence = "",  in exitWithError()  argument
60   if (!Whence.empty())  in exitWithError()
61     errs() << Whence << ": ";  in exitWithError()
68 static void exitWithError(Error E, StringRef Whence = "") {  in exitWithError()  argument
77       exitWithError(IPE.message(), std::string(Whence), std::string(Hint));  in exitWithError()
81   exitWithError(toString(std::move(E)), std::string(Whence));  in exitWithError()
84 static void exitWithErrorCode(std::error_code EC, StringRef Whence = "") {  in exitWithErrorCode()  argument
85   exitWithError(EC.message(), std::string(Whence));  in exitWithErrorCode()
94                                  StringRef Whence = "") {  in warnOrExitGivenError()  argument
96     exitWithErrorCode(EC, Whence);  in warnOrExitGivenError()
98     warn(EC.message(), std::string(Whence));  in warnOrExitGivenError()