From b3b1d5f097a4fbcf134259b743ccbd93d187c6cd Mon Sep 17 00:00:00 2001 From: Jim Laskey Date: Tue, 25 Oct 2005 15:16:36 +0000 Subject: [PATCH] Refactored to make room for more stuff (scheduling info.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23975 91177308-0d34-0410-b5e6-96231b3b80d8 --- utils/TableGen/SubtargetEmitter.cpp | 186 +++++++++++++++------------- utils/TableGen/SubtargetEmitter.h | 5 + 2 files changed, 108 insertions(+), 83 deletions(-) diff --git a/utils/TableGen/SubtargetEmitter.cpp b/utils/TableGen/SubtargetEmitter.cpp index 6d3542ea3e5..0957fba9d39 100644 --- a/utils/TableGen/SubtargetEmitter.cpp +++ b/utils/TableGen/SubtargetEmitter.cpp @@ -44,96 +44,116 @@ struct LessRecordFieldName { } }; +// +// FeatureEnumeration - Emit an enumeration of all the subtarget features. +// +void SubtargetEmitter::FeatureEnumeration(std::ostream &OS) { + RecordList Features = Records.getAllDerivedDefinitions("SubtargetFeature"); + sort(Features.begin(), Features.end(), LessRecord()); + + int i = 0; + + OS << "enum {\n"; + + for (RecordListIter RI = Features.begin(), E = Features.end(); RI != E;){ + Record *R = *RI++; + std::string Instance = R->getName(); + OS << " " + << Instance + << " = " + << " 1 << " << i++ + << ((RI != E) ? ",\n" : "\n"); + } + + OS << "};\n"; +} + +// +// FeatureKeyValues - Emit data of all the subtarget features. Used by command +// line. +// +void SubtargetEmitter::FeatureKeyValues(std::ostream &OS) { + RecordList Features = Records.getAllDerivedDefinitions("SubtargetFeature"); + sort(Features.begin(), Features.end(), LessRecord()); + + OS << "\n" + << "// Sorted (by key) array of values for CPU features.\n" + << "static llvm::SubtargetFeatureKV FeatureKV[] = {\n"; + for (RecordListIter RI = Features.begin(), E = Features.end(); RI != E;) { + Record *R = *RI++; + std::string Instance = R->getName(); + std::string Name = R->getValueAsString("Name"); + std::string Desc = R->getValueAsString("Desc"); + OS << " { " + << "\"" << Name << "\", " + << "\"" << Desc << "\", " + << Instance + << ((RI != E) ? " },\n" : " }\n"); + } + OS << "};\n"; + + OS<<"\nenum {\n"; + OS<<" FeatureKVSize = sizeof(FeatureKV)/sizeof(llvm::SubtargetFeatureKV)\n"; + OS<<"};\n"; +} + +// +// CPUKeyValues - Emit data of all the subtarget processors. Used by command +// line. +// +void SubtargetEmitter::CPUKeyValues(std::ostream &OS) { + RecordList Processors = Records.getAllDerivedDefinitions("Processor"); + sort(Processors.begin(), Processors.end(), LessRecordFieldName()); + + OS << "\n" + << "// Sorted (by key) array of values for CPU subtype.\n" + << "static const llvm::SubtargetFeatureKV SubTypeKV[] = {\n"; + for (RecordListIter RI = Processors.begin(), E = Processors.end(); + RI != E;) { + Record *R = *RI++; + std::string Name = R->getValueAsString("Name"); + Record *ProcItin = R->getValueAsDef("ProcItin"); + ListInit *Features = R->getValueAsListInit("Features"); + unsigned N = Features->getSize(); + OS << " { " + << "\"" << Name << "\", " + << "\"Select the " << Name << " processor\", "; + + + if (N == 0) { + OS << "0"; + } else { + for (unsigned i = 0; i < N; ) { + if (DefInit *DI = dynamic_cast(Features->getElement(i++))) { + Record *Feature = DI->getDef(); + std::string Name = Feature->getName(); + OS << Name; + if (i != N) OS << " | "; + } else { + throw "Feature: " + Name + + " expected feature in processor feature list!"; + } + } + } + + OS << ((RI != E) ? " },\n" : " }\n"); + } + OS << "};\n"; + + OS<<"\nenum {\n"; + OS<<" SubTypeKVSize = sizeof(SubTypeKV)/sizeof(llvm::SubtargetFeatureKV)\n"; + OS<<"};\n"; +} // // SubtargetEmitter::run - Main subtarget enumeration emitter. // void SubtargetEmitter::run(std::ostream &OS) { EmitSourceFileHeader("Subtarget Enumeration Source Fragment", OS); - - RecordList Features = Records.getAllDerivedDefinitions("SubtargetFeature"); - sort(Features.begin(), Features.end(), LessRecord()); - - RecordList Processors = Records.getAllDerivedDefinitions("Processor"); - sort(Processors.begin(), Processors.end(), LessRecordFieldName()); OS << "#include \"llvm/Target/SubtargetFeature.h\"\n\n"; - { // Feature enumeration - int i = 0; - - OS << "enum {\n"; - - for (RecordListIter RI = Features.begin(), E = Features.end(); RI != E;){ - Record *R = *RI++; - std::string Instance = R->getName(); - OS << " " - << Instance - << " = " - << " 1 << " << i++ - << ((RI != E) ? ",\n" : "\n"); - } - - OS << "};\n"; - } - - { // Feature key values - OS << "\n" - << "// Sorted (by key) array of values for CPU features.\n" - << "static llvm::SubtargetFeatureKV FeatureKV[] = {\n"; - for (RecordListIter RI = Features.begin(), E = Features.end(); RI != E;) { - Record *R = *RI++; - std::string Instance = R->getName(); - std::string Name = R->getValueAsString("Name"); - std::string Desc = R->getValueAsString("Desc"); - OS << " { " - << "\"" << Name << "\", " - << "\"" << Desc << "\", " - << Instance - << ((RI != E) ? " },\n" : " }\n"); - } - OS << "};\n"; - } - - { // CPU key values - OS << "\n" - << "// Sorted (by key) array of values for CPU subtype.\n" - << "static const llvm::SubtargetFeatureKV SubTypeKV[] = {\n"; - for (RecordListIter RI = Processors.begin(), E = Processors.end(); - RI != E;) { - Record *R = *RI++; - std::string Name = R->getValueAsString("Name"); - Record *ProcItin = R->getValueAsDef("ProcItin"); - ListInit *Features = R->getValueAsListInit("Features"); - unsigned N = Features->getSize(); - OS << " { " - << "\"" << Name << "\", " - << "\"Select the " << Name << " processor\", "; - - - if (N == 0) { - OS << "0"; - } else { - for (unsigned i = 0; i < N; ) { - if (DefInit *DI = dynamic_cast(Features->getElement(i++))) { - Record *Feature = DI->getDef(); - std::string Name = Feature->getName(); - OS << Name; - if (i != N) OS << " | "; - } else { - throw "Feature: " + Name + - " expected feature in processor feature list!"; - } - } - } - - OS << ((RI != E) ? " },\n" : " }\n"); - } - OS << "};\n"; - } - - OS<<"\nenum {\n"; - OS<<" FeatureKVSize = sizeof(FeatureKV)/sizeof(llvm::SubtargetFeatureKV),\n"; - OS<<" SubTypeKVSize = sizeof(SubTypeKV)/sizeof(llvm::SubtargetFeatureKV)\n"; - OS<<"};\n"; + FeatureEnumeration(OS); + FeatureKeyValues(OS); + CPUKeyValues(OS); } diff --git a/utils/TableGen/SubtargetEmitter.h b/utils/TableGen/SubtargetEmitter.h index f1cc4982923..bb81df372de 100644 --- a/utils/TableGen/SubtargetEmitter.h +++ b/utils/TableGen/SubtargetEmitter.h @@ -20,6 +20,11 @@ namespace llvm { class SubtargetEmitter : public TableGenBackend { RecordKeeper &Records; + + void FeatureEnumeration(std::ostream &OS); + void FeatureKeyValues(std::ostream &OS); + void CPUKeyValues(std::ostream &OS); + public: SubtargetEmitter(RecordKeeper &R) : Records(R) {}