460 static void warn(Twine Message, StringRef Whence = "", StringRef Hint = "") {  in warn()  argument
465   if (!Hint.empty())  in warn()
466     WithColor::note() << Hint << "\n";  in warn()
478                           StringRef Hint = "") {  in exitWithError()  argument
483   if (!Hint.empty())  in exitWithError()
484     WithColor::note() << Hint << "\n";  in exitWithError()
492       StringRef Hint = "";  in exitWithError()  local
495         Hint = "Perhaps you forgot to use the --sample or --memory option?";  in exitWithError()
497       exitWithError(IPE.message(), Whence, Hint);  in exitWithError()
534     StringRef Hint = "";  in handleMergeWriterError()  local
540         Hint = "Make sure that all profile data to be merged is generated "  in handleMergeWriterError()
548     if (!Hint.empty())  in handleMergeWriterError()
549       errs() << Hint << "\n";  in handleMergeWriterError()