321 static Error getError(const Twine &Message) {  in getError()  function
327     return getError("unsupported standard user-level extension '" + ExtName +  in getErrorForInvalidExt()
330   return getError("unsupported " + getExtensionTypeDesc(ExtName) + " '" +  in getErrorForInvalidExt()
356       return getError("minor version number missing after 'p' for extension '" +  in getExtensionVersion()
362     return getError("Failed to parse major version number for extension '" +  in getExtensionVersion()
366     return getError("Failed to parse minor version number for extension '" +  in getExtensionVersion()
378     return getError(  in getExtensionVersion()
384       return getError("requires '-menable-experimental-extensions' "  in getExtensionVersion()
390       return getError(  in getExtensionVersion()
403       return getError(Error);  in getExtensionVersion()
433   return getError(Error);  in getExtensionVersion()
485     return getError("string may only contain [a-z0-9_]");  in parseNormalizedArchString()
495     return getError("arch string must begin with valid base ISA");  in parseNormalizedArchString()
505         return getError("extension name missing after separator '_'");  in parseNormalizedArchString()
516       return getError("extension lacks version in expected format");  in parseNormalizedArchString()
519       return getError("failed to parse minor version number");  in parseNormalizedArchString()
530       return getError("extension lacks version in expected format");  in parseNormalizedArchString()
533       return getError("missing extension name");  in parseNormalizedArchString()
538       return getError("failed to parse major version number");  in parseNormalizedArchString()
542       return getError("'" + Twine(ExtName[0]) +  in parseNormalizedArchString()
550       return getError("duplicate extension '" + ExtName + "'");  in parseNormalizedArchString()
562     return getError("string may only contain [a-z0-9_]");  in parseArchString()
583         return getError("requires '-menable-experimental-extensions' "  in parseArchString()
594           return getError("additional extensions must be after separator '_'");  in parseArchString()
603     return getError(  in parseArchString()
620     return getError("first letter after \'rv" + Twine(XLen) +  in parseArchString()
635       return getError("version not supported for 'g'");  in parseArchString()
659         return getError("extension name missing after separator '_'");  in parseArchString()
693           return getError(Desc + " name missing after '" + Type + "'");  in parseArchString()
695         return getError("invalid standard user-level extension '" +  in parseArchString()
716         return getError("duplicated " + Desc + " '" + Name + "'");  in parseArchString()
736     return getError("'I' and 'E' extensions are incompatible");  in checkDependency()
739     return getError("'f' and 'zfinx' extensions are incompatible");  in checkDependency()
742     return getError(  in checkDependency()
746     return getError(  in checkDependency()
750     return getError(  in checkDependency()
756     return getError(  in checkDependency()
760     return getError(  in checkDependency()
764     return getError(Twine("'") + (HasZcmt ? "zcmt" : "zcmp") +  in checkDependency()
770     return getError("'zcf' is only supported for 'rv32'");  in checkDependency()
773     return getError(  in checkDependency()
777     return getError(  in checkDependency()
782       return getError("'Xwchc' is only supported for 'rv32'");  in checkDependency()
785       return getError("'D' and 'Xwchc' extensions are incompatible");  in checkDependency()
788       return getError("'Xwchc' and 'Zcb' extensions are incompatible");  in checkDependency()