116 static bool stripExperimentalPrefix(StringRef &Ext) {  in stripExperimentalPrefix()  argument
117   return Ext.consume_front("experimental-");  in stripExperimentalPrefix()
127 static size_t findFirstNonVersionCharacter(StringRef Ext) {  in findFirstNonVersionCharacter()  argument
128    assert(!Ext.empty() &&  in findFirstNonVersionCharacter()
131   int Pos = Ext.size() - 1;  in findFirstNonVersionCharacter()
132   while (Pos > 0 && isDigit(Ext[Pos]))  in findFirstNonVersionCharacter()
134   if (Pos > 0 && Ext[Pos] == 'p' && isDigit(Ext[Pos - 1])) {  in findFirstNonVersionCharacter()
136     while (Pos > 0 && isDigit(Ext[Pos]))  in findFirstNonVersionCharacter()
143   FindByName(StringRef Ext) : Ext(Ext){};  in FindByName()
144   StringRef Ext;  member
146     return ExtInfo.Name == Ext;  in operator ()()
167   RISCVExtensionInfo Ext;  in addExtension()  local
168   Ext.ExtName = ExtName.str();  in addExtension()
169   Ext.MajorVersion = MajorVersion;  in addExtension()
170   Ext.MinorVersion = MinorVersion;  in addExtension()
171   Exts[ExtName.str()] = Ext;  in addExtension()
174 static StringRef getExtensionTypeDesc(StringRef Ext) {  in getExtensionTypeDesc()  argument
175   if (Ext.startswith("sx"))  in getExtensionTypeDesc()
177   if (Ext.startswith("s"))  in getExtensionTypeDesc()
179   if (Ext.startswith("x"))  in getExtensionTypeDesc()
181   if (Ext.startswith("z"))  in getExtensionTypeDesc()
186 static StringRef getExtensionType(StringRef Ext) {  in getExtensionType()  argument
187   if (Ext.startswith("sx"))  in getExtensionType()
189   if (Ext.startswith("s"))  in getExtensionType()
191   if (Ext.startswith("x"))  in getExtensionType()
193   if (Ext.startswith("z"))  in getExtensionType()
198 static Optional<RISCVExtensionVersion> isExperimentalExtension(StringRef Ext) {  in isExperimentalExtension()  argument
200       llvm::find_if(SupportedExperimentalExtensions, FindByName(Ext));  in isExperimentalExtension()
207 bool RISCVISAInfo::isSupportedExtensionFeature(StringRef Ext) {  in isSupportedExtensionFeature()  argument
208   bool IsExperimental = stripExperimentalPrefix(Ext);  in isSupportedExtensionFeature()
211     return llvm::any_of(SupportedExperimentalExtensions, FindByName(Ext));  in isSupportedExtensionFeature()
213     return llvm::any_of(SupportedExtensions, FindByName(Ext));  in isSupportedExtensionFeature()
216 bool RISCVISAInfo::isSupportedExtension(StringRef Ext) {  in isSupportedExtension()  argument
217   return llvm::any_of(SupportedExtensions, FindByName(Ext)) ||  in isSupportedExtension()
218          llvm::any_of(SupportedExperimentalExtensions, FindByName(Ext));  in isSupportedExtension()
221 bool RISCVISAInfo::isSupportedExtension(StringRef Ext, unsigned MajorVersion,  in isSupportedExtension()  argument
224     return ExtInfo.Name == Ext && (MajorVersion == ExtInfo.Version.Major) &&  in isSupportedExtension()
231 bool RISCVISAInfo::hasExtension(StringRef Ext) const {  in hasExtension()
232   stripExperimentalPrefix(Ext);  in hasExtension()
234   if (!isSupportedExtension(Ext))  in hasExtension()
237   return Exts.count(Ext.str()) != 0;  in hasExtension()
242 static int singleLetterExtensionRank(char Ext) {  in singleLetterExtensionRank()  argument
243   switch (Ext) {  in singleLetterExtensionRank()
252   size_t Pos = AllStdExts.find(Ext);  in singleLetterExtensionRank()
257     Rank = AllStdExts.size() + (Ext - 'a');  in singleLetterExtensionRank()
325   for (auto const &Ext : Exts) {  in toFeatures()  local
326     StringRef ExtName = Ext.first;  in toFeatures()
344 static Error getExtensionVersion(StringRef Ext, StringRef In, unsigned &Major,  in getExtensionVersion()  argument
363           "minor version number missing after 'p' for extension '" + Ext + "'");  in getExtensionVersion()
370         "Failed to parse major version number for extension '" + Ext + "'");  in getExtensionVersion()
375         "Failed to parse minor version number for extension '" + Ext + "'");  in getExtensionVersion()
385   if (Ext.size() > 1 && In.size()) {  in getExtensionVersion()
392   if (auto ExperimentalExtension = isExperimentalExtension(Ext)) {  in getExtensionVersion()
396                           Ext.str() + "'";  in getExtensionVersion()
404           Ext.str() + "`";  in getExtensionVersion()
414       Error += " for experimental extension '" + Ext.str() +  in getExtensionVersion()
424   if (Ext == "g")  in getExtensionVersion()
428     if (auto DefaultVersion = findDefaultVersion(Ext)) {  in getExtensionVersion()
437   if (RISCVISAInfo::isSupportedExtension(Ext, Major, Minor))  in getExtensionVersion()
443   Error += " for extension '" + Ext.str() + "'";  in getExtensionVersion()
550     for (auto Ext : {"i", "m", "a", "f", "d"})  in parseArchString()
551       if (auto Version = findDefaultVersion(Ext))  in parseArchString()
552         ISAInfo->addExtension(Ext, Version->Major, Version->Minor);  in parseArchString()
639     for (StringRef Ext : Split) {  in parseArchString()  local
640       if (Ext.empty())  in parseArchString()
644       StringRef Type = getExtensionType(Ext);  in parseArchString()
645       StringRef Desc = getExtensionTypeDesc(Ext);  in parseArchString()
646       auto Pos = findFirstNonVersionCharacter(Ext) + 1;  in parseArchString()
647       StringRef Name(Ext.substr(0, Pos));  in parseArchString()
648       StringRef Vers(Ext.substr(Pos));  in parseArchString()
652                                  "invalid extension prefix '" + Ext + "'");  in parseArchString()
661                                  Desc.str().c_str(), Ext.str().c_str());  in parseArchString()
687   for (auto Ext : AllExts) {  in parseArchString()  local
688     if (!isSupportedExtension(Ext)) {  in parseArchString()
689       StringRef Desc = getExtensionTypeDesc(getExtensionType(Ext));  in parseArchString()
691                                Desc.str().c_str(), Ext.str().c_str());  in parseArchString()
836   for (auto const &Ext : Exts)  in updateImplication()  local
837     WorkList.insert(Ext.first);  in updateImplication()
877       for (const char *Ext : RequiredExts)  in updateCombination()  local
878         IsAllRequiredFeatureExist &= hasExtension(Ext);  in updateCombination()
898   for (auto const &Ext : Exts) {  in updateMinVLen()  local
899     StringRef ExtName = Ext.first;  in updateMinVLen()
911   for (auto const &Ext : Exts) {  in updateMaxELen()  local
912     StringRef ExtName = Ext.first;  in updateMaxELen()
934   for (auto const &Ext : Exts) {  in toString()  local
935     StringRef ExtName = Ext.first;  in toString()
936     auto ExtInfo = Ext.second;  in toString()
946   for (auto const &Ext : Exts) {  in toFeatureVector()  local
947     std::string ExtName = Ext.first;  in toFeatureVector()