157 static bool stripExperimentalPrefix(StringRef &Ext) {  in stripExperimentalPrefix()  argument
158   return Ext.consume_front("experimental-");  in stripExperimentalPrefix()
168 static size_t findLastNonVersionCharacter(StringRef Ext) {  in findLastNonVersionCharacter()  argument
169   assert(!Ext.empty() &&  in findLastNonVersionCharacter()
172   int Pos = Ext.size() - 1;  in findLastNonVersionCharacter()
173   while (Pos > 0 && isDigit(Ext[Pos]))  in findLastNonVersionCharacter()
175   if (Pos > 0 && Ext[Pos] == 'p' && isDigit(Ext[Pos - 1])) {  in findLastNonVersionCharacter()
177     while (Pos > 0 && isDigit(Ext[Pos]))  in findLastNonVersionCharacter()
210 static StringRef getExtensionTypeDesc(StringRef Ext) {  in getExtensionTypeDesc()  argument
211   if (Ext.starts_with('s'))  in getExtensionTypeDesc()
213   if (Ext.starts_with('x'))  in getExtensionTypeDesc()
215   if (Ext.starts_with('z'))  in getExtensionTypeDesc()
220 static StringRef getExtensionType(StringRef Ext) {  in getExtensionType()  argument
221   if (Ext.starts_with('s'))  in getExtensionType()
223   if (Ext.starts_with('x'))  in getExtensionType()
225   if (Ext.starts_with('z'))  in getExtensionType()
231 isExperimentalExtension(StringRef Ext) {  in isExperimentalExtension()  argument
233       llvm::lower_bound(SupportedExperimentalExtensions, Ext, LessExtName());  in isExperimentalExtension()
234   if (I == std::end(SupportedExperimentalExtensions) || I->Name != Ext)  in isExperimentalExtension()
240 bool RISCVISAInfo::isSupportedExtensionFeature(StringRef Ext) {  in isSupportedExtensionFeature()  argument
241   bool IsExperimental = stripExperimentalPrefix(Ext);  in isSupportedExtensionFeature()
247   auto I = llvm::lower_bound(ExtInfo, Ext, LessExtName());  in isSupportedExtensionFeature()
248   return I != ExtInfo.end() && I->Name == Ext;  in isSupportedExtensionFeature()
251 bool RISCVISAInfo::isSupportedExtension(StringRef Ext) {  in isSupportedExtension()  argument
256     auto I = llvm::lower_bound(ExtInfo, Ext, LessExtName());  in isSupportedExtension()
257     if (I != ExtInfo.end() && I->Name == Ext)  in isSupportedExtension()
264 bool RISCVISAInfo::isSupportedExtension(StringRef Ext, unsigned MajorVersion,  in isSupportedExtension()  argument
269         std::equal_range(ExtInfo.begin(), ExtInfo.end(), Ext, LessExtName());  in isSupportedExtension()
278 bool RISCVISAInfo::hasExtension(StringRef Ext) const {  in hasExtension()
279   stripExperimentalPrefix(Ext);  in hasExtension()
281   if (!isSupportedExtension(Ext))  in hasExtension()
284   return Exts.count(Ext.str()) != 0;  in hasExtension()
306     for (const RISCVSupportedExtension &Ext : SupportedExtensions) {  in toFeatures()  local
307       if (Exts.count(Ext.Name))  in toFeatures()
309       Features.push_back((llvm::Twine("-") + Ext.Name).str());  in toFeatures()
312     for (const RISCVSupportedExtension &Ext : SupportedExperimentalExtensions) {  in toFeatures()  local
313       if (Exts.count(Ext.Name))  in toFeatures()
315       Features.push_back((llvm::Twine("-experimental-") + Ext.Name).str());  in toFeatures()
339 static Error getExtensionVersion(StringRef Ext, StringRef In, unsigned &Major,  in getExtensionVersion()  argument
357                       Ext + "'");  in getExtensionVersion()
363                     Ext + "'");  in getExtensionVersion()
367                     Ext + "'");  in getExtensionVersion()
377   if (Ext.size() > 1 && In.size())  in getExtensionVersion()
382   if (auto ExperimentalExtension = isExperimentalExtension(Ext)) {  in getExtensionVersion()
386                       Ext + "'");  in getExtensionVersion()
391           "experimental extension requires explicit version number `" + Ext +  in getExtensionVersion()
400       Error += " for experimental extension '" + Ext.str() +  in getExtensionVersion()
410   if (Ext == "g")  in getExtensionVersion()
414     if (auto DefaultVersion = findDefaultVersion(Ext)) {  in getExtensionVersion()
423   if (RISCVISAInfo::isSupportedExtension(Ext, Major, Minor))  in getExtensionVersion()
426   if (!RISCVISAInfo::isSupportedExtension(Ext))  in getExtensionVersion()
427     return getErrorForInvalidExt(Ext);  in getExtensionVersion()
432   Error += " for extension '" + Ext.str() + "'";  in getExtensionVersion()
510     StringRef Ext = Arch.slice(0, Idx);  in parseNormalizedArchString()  local
514     std::tie(Prefix, MinorVersionStr) = Ext.rsplit('p');  in parseNormalizedArchString()
643     for (const char *Ext : RISCVGImplications) {  in parseArchString()  local
644       auto Version = findDefaultVersion(Ext);  in parseArchString()
647       ISAInfo->Exts[std::string(Ext)] = {Version->Major, Version->Minor};  in parseArchString()
664     StringRef Ext = Arch.slice(0, Idx);  in parseArchString()  local
669       if (RISCVISAUtils::AllStdExts.contains(Ext.front())) {  in parseArchString()
670         Name = Ext.take_front(1);  in parseArchString()
671         Ext = Ext.drop_front();  in parseArchString()
672         Vers = Ext;  in parseArchString()
674       } else if (Ext.front() == 'z' || Ext.front() == 's' ||  in parseArchString()
675                  Ext.front() == 'x') {  in parseArchString()
684         StringRef Type = getExtensionType(Ext);  in parseArchString()
685         Desc = getExtensionTypeDesc(Ext);  in parseArchString()
686         auto Pos = findLastNonVersionCharacter(Ext) + 1;  in parseArchString()
687         Name = Ext.substr(0, Pos);  in parseArchString()
688         Vers = Ext.substr(Pos);  in parseArchString()
689         Ext = StringRef();  in parseArchString()
696                         Twine(Ext.front()) + "'");  in parseArchString()
706         Ext = Ext.substr(ConsumeLength);  in parseArchString()
718     } while (!Ext.empty());  in parseArchString()
833   for (auto const &Ext : Exts)  in updateImplication()  local
834     WorkList.push_back(Ext.first);  in updateImplication()
904   for (auto const &Ext : Exts) {  in updateImpliedLengths()  local
905     StringRef ExtName = Ext.first;  in updateImpliedLengths()
945   for (auto const &Ext : Exts) {  in toString()  local
946     StringRef ExtName = Ext.first;  in toString()
947     auto ExtInfo = Ext.second;  in toString()
987 bool RISCVISAInfo::isSupportedExtensionWithVersion(StringRef Ext) {  in isSupportedExtensionWithVersion()  argument
988   if (Ext.empty())  in isSupportedExtensionWithVersion()
991   auto Pos = findLastNonVersionCharacter(Ext) + 1;  in isSupportedExtensionWithVersion()
992   StringRef Name = Ext.substr(0, Pos);  in isSupportedExtensionWithVersion()
993   StringRef Vers = Ext.substr(Pos);  in isSupportedExtensionWithVersion()
1007 std::string RISCVISAInfo::getTargetFeatureForExtension(StringRef Ext) {  in getTargetFeatureForExtension()  argument
1008   if (Ext.empty())  in getTargetFeatureForExtension()
1011   auto Pos = findLastNonVersionCharacter(Ext) + 1;  in getTargetFeatureForExtension()
1012   StringRef Name = Ext.substr(0, Pos);  in getTargetFeatureForExtension()
1014   if (Pos != Ext.size() && !isSupportedExtensionWithVersion(Ext))  in getTargetFeatureForExtension()