1 //===-- RISCVISAInfo.cpp - RISC-V Arch String Parser ----------------------===//
481 RISCVISAInfo::parseNormalizedArchString(StringRef Arch) {  in parseNormalizedArchString()  argument
484           Arch, [](char C) { return isDigit(C) || isLower(C) || C == '_'; }))  in parseNormalizedArchString()
489   if (Arch.consume_front("rv32"))  in parseNormalizedArchString()
491   else if (Arch.consume_front("rv64"))  in parseNormalizedArchString()
494   if (XLen == 0 || Arch.empty() || (Arch[0] != 'i' && Arch[0] != 'e'))  in parseNormalizedArchString()
495     return getError("arch string must begin with valid base ISA");  in parseNormalizedArchString()
502   while (!Arch.empty()) {  in parseNormalizedArchString()
503     if (Arch[0] == '_') {  in parseNormalizedArchString()
504       if (Arch.size() == 1 || Arch[1] == '_')  in parseNormalizedArchString()
506       Arch = Arch.drop_front();  in parseNormalizedArchString()
509     size_t Idx = Arch.find('_');  in parseNormalizedArchString()
510     StringRef Ext = Arch.slice(0, Idx);  in parseNormalizedArchString()
511     Arch = Arch.slice(Idx, StringRef::npos);  in parseNormalizedArchString()
557 RISCVISAInfo::parseArchString(StringRef Arch, bool EnableExperimentalExtension,  in parseArchString()  argument
561           Arch, [](char C) { return isDigit(C) || isLower(C) || C == '_'; }))  in parseArchString()
566   if (Arch.consume_front("rv32")) {  in parseArchString()
568   } else if (Arch.consume_front("rv64")) {  in parseArchString()
572     auto ProfileCmp = [](StringRef Arch, const RISCVProfile &Profile) {  in parseArchString()  argument
573       return Arch < Profile.Name;  in parseArchString()
575     auto I = llvm::upper_bound(SupportedProfiles, Arch, ProfileCmp);  in parseArchString()
577                         Arch.starts_with(std::prev(I)->Name);  in parseArchString()
579       I = llvm::upper_bound(SupportedExperimentalProfiles, Arch, ProfileCmp);  in parseArchString()
581                       Arch.starts_with(std::prev(I)->Name));  in parseArchString()
591       StringRef ArchWithoutProfile = Arch.drop_front(I->Name.size());  in parseArchString()
602   if (XLen == 0 || Arch.empty())  in parseArchString()
611   char Baseline = Arch.front();  in parseArchString()
613   Arch = Arch.drop_front();  in parseArchString()
626             StringRef(&Baseline, 1), Arch, Major, Minor, ConsumeLength,  in parseArchString()
634     if (!Arch.empty() && isDigit(Arch.front()))  in parseArchString()
654   Arch = Arch.drop_front(ConsumeLength);  in parseArchString()
656   while (!Arch.empty()) {  in parseArchString()
657     if (Arch.front() == '_') {  in parseArchString()
658       if (Arch.size() == 1 || Arch[1] == '_')  in parseArchString()
660       Arch = Arch.drop_front();  in parseArchString()
663     size_t Idx = Arch.find('_');  in parseArchString()
664     StringRef Ext = Arch.slice(0, Idx);  in parseArchString()
665     Arch = Arch.slice(Idx, StringRef::npos);  in parseArchString()
940   raw_string_ostream Arch(Buffer);  in toString()  local
942   Arch << "rv" << XLen;  in toString()
948     Arch << LS << ExtName;  in toString()
949     Arch << ExtInfo.Major << "p" << ExtInfo.Minor;  in toString()
952   return Arch.str();  in toString()