116   LLVM_PREFERRED_TYPE(diag::Severity)
147   diag::Flavor getFlavor() const {  in getFlavor()
148     return Class == CLASS_REMARK ? diag::Flavor::Remark  in getFlavor()
149                                  : diag::Flavor::WarningOrError;  in getFlavor()
160       static_cast<unsigned>(diag::NUM_BUILTIN_##NAME##_DIAGNOSTICS) <          \
161           static_cast<unsigned>(diag::DIAG_START_##NAME) +                     \
162               static_cast<unsigned>(diag::DIAG_SIZE_##NAME),                   \
188       diag::ENUM,                                                              \
224   using namespace diag;  in GetDiagInfo()
274       diag::Severity::Fatal, /*IsUser=*/false, /*IsPragma=*/false);  in getDefaultMapping()
277     Info.setSeverity((diag::Severity)StaticInfo->DefaultSeverity);  in getDefaultMapping()
280       assert(Info.getSeverity() == diag::Severity::Warning &&  in getDefaultMapping()
359   namespace diag {  namespace
417     CustomDiagInfo.reset(new diag::CustomDiagInfo());  in getCustomDiagID()
427   return DiagID < diag::DIAG_UPPER_LIMIT &&  in isBuiltinWarningOrExtension()
434   return DiagID < diag::DIAG_UPPER_LIMIT &&  in isBuiltinNote()
445   if (DiagID >= diag::DIAG_UPPER_LIMIT ||  in isBuiltinExtensionDiag()
450       getDefaultMapping(DiagID).getSeverity() != diag::Severity::Ignored;  in isBuiltinExtensionDiag()
455   if (DiagID >= diag::DIAG_UPPER_LIMIT)  in isDefaultMappingAsError()
458   return getDefaultMapping(DiagID).getSeverity() >= diag::Severity::Error;  in isDefaultMappingAsError()
470 static DiagnosticIDs::Level toLevel(diag::Severity SV) {  in toLevel()
472   case diag::Severity::Ignored:  in toLevel()
474   case diag::Severity::Remark:  in toLevel()
476   case diag::Severity::Warning:  in toLevel()
478   case diag::Severity::Error:  in toLevel()
480   case diag::Severity::Fatal:  in toLevel()
493   if (DiagID >= diag::DIAG_UPPER_LIMIT) {  in getDiagnosticLevel()
509 diag::Severity
516   diag::Severity Result = diag::Severity::Fatal;  in getDiagnosticSeverity()
520   DiagnosticMapping &Mapping = State->getOrAddMapping((diag::kind)DiagID);  in getDiagnosticSeverity()
523   if (Mapping.getSeverity() != diag::Severity())  in getDiagnosticSeverity()
527   if (State->EnableAllWarnings && Result == diag::Severity::Ignored &&  in getDiagnosticSeverity()
529     Result = diag::Severity::Warning;  in getDiagnosticSeverity()
537     return diag::Severity::Ignored;  in getDiagnosticSeverity()
545   if (Result == diag::Severity::Ignored)  in getDiagnosticSeverity()
554     if (Result == diag::Severity::Warning ||  in getDiagnosticSeverity()
555         (Result >= diag::Severity::Error &&  in getDiagnosticSeverity()
556          !isDefaultMappingAsError((diag::kind)DiagID)))  in getDiagnosticSeverity()
557       return diag::Severity::Ignored;  in getDiagnosticSeverity()
561   if (Result == diag::Severity::Warning) {  in getDiagnosticSeverity()
563       Result = diag::Severity::Error;  in getDiagnosticSeverity()
568   if (Result == diag::Severity::Error) {  in getDiagnosticSeverity()
570       Result = diag::Severity::Fatal;  in getDiagnosticSeverity()
574   if (Result == diag::Severity::Fatal &&  in getDiagnosticSeverity()
575       Diag.CurDiagID != diag::fatal_too_many_errors && Diag.FatalsAsError)  in getDiagnosticSeverity()
576     Result = diag::Severity::Error;  in getDiagnosticSeverity()
588     return diag::Severity::Ignored;  in getDiagnosticSeverity()
595     return diag::Severity::Ignored;  in getDiagnosticSeverity()
628 StringRef DiagnosticIDs::getWarningOptionDocumentation(diag::Group Group) {  in getWarningOptionDocumentation()
632 StringRef DiagnosticIDs::getWarningOptionForGroup(diag::Group Group) {  in getWarningOptionForGroup()
636 std::optional<diag::Group>
642   return static_cast<diag::Group>(Found - OptionTable);  in getGroupForWarningOption()
645 std::optional<diag::Group> DiagnosticIDs::getGroupForDiag(unsigned DiagID) {  in getGroupForDiag()
647     return static_cast<diag::Group>(Info->getOptionGroupIndex());  in getGroupForDiag()
674 static bool getDiagnosticsInGroup(diag::Flavor Flavor,  in getDiagnosticsInGroup()
676                                   SmallVectorImpl<diag::kind> &Diags) {  in getDiagnosticsInGroup()
680     return Flavor == diag::Flavor::Remark;  in getDiagnosticsInGroup()
703 DiagnosticIDs::getDiagnosticsInGroup(diag::Flavor Flavor, StringRef Group,  in getDiagnosticsInGroup()
704                                      SmallVectorImpl<diag::kind> &Diags) const {  in getDiagnosticsInGroup()
705   if (std::optional<diag::Group> G = getGroupForWarningOption(Group))  in getDiagnosticsInGroup()
711 void DiagnosticIDs::getAllDiagnostics(diag::Flavor Flavor,  in getAllDiagnostics()
712                                       std::vector<diag::kind> &Diags) {  in getAllDiagnostics()
718 StringRef DiagnosticIDs::getNearestOption(diag::Flavor Flavor,  in getNearestOption()
732     llvm::SmallVector<diag::kind, 8> Diags;  in getNearestOption()
818       Diag.SetDelayedDiagnostic(diag::fatal_too_many_errors);  in ProcessDiag()
825   if (Diag.CurDiagID == diag::fatal_too_many_errors)  in ProcessDiag()
846   if (DiagID >= diag::DIAG_UPPER_LIMIT) {  in isUnrecoverable()
856   if (DiagID == diag::err_unavailable ||  in isUnrecoverable()
857       DiagID == diag::err_unavailable_message)  in isUnrecoverable()