| //===- SubtargetEmitter.h - Generate subtarget enumerations -----*- C++ -*-===// | |
| // | |
| // The LLVM Compiler Infrastructure | |
| // | |
| // This file is distributed under the University of Illinois Open Source | |
| // License. See LICENSE.TXT for details. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| // | |
| // This tablegen backend emits subtarget enumerations. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #ifndef SUBTARGET_EMITTER_H | |
| #define SUBTARGET_EMITTER_H | |
| #include "llvm/TableGen/TableGenBackend.h" | |
| #include "llvm/MC/MCInstrItineraries.h" | |
| #include <vector> | |
| #include <map> | |
| #include <string> | |
| namespace llvm { | |
| class SubtargetEmitter : public TableGenBackend { | |
| RecordKeeper &Records; | |
| std::string Target; | |
| bool HasItineraries; | |
| void Enumeration(raw_ostream &OS, const char *ClassName, bool isBits); | |
| unsigned FeatureKeyValues(raw_ostream &OS); | |
| unsigned CPUKeyValues(raw_ostream &OS); | |
| unsigned CollectAllItinClasses(raw_ostream &OS, | |
| std::map<std::string,unsigned> &ItinClassesMap, | |
| std::vector<Record*> &ItinClassList); | |
| void FormItineraryStageString(const std::string &Names, | |
| Record *ItinData, std::string &ItinString, | |
| unsigned &NStages); | |
| void FormItineraryOperandCycleString(Record *ItinData, std::string &ItinString, | |
| unsigned &NOperandCycles); | |
| void FormItineraryBypassString(const std::string &Names, | |
| Record *ItinData, | |
| std::string &ItinString, unsigned NOperandCycles); | |
| void EmitStageAndOperandCycleData(raw_ostream &OS, unsigned NItinClasses, | |
| std::map<std::string, unsigned> &ItinClassesMap, | |
| std::vector<Record*> &ItinClassList, | |
| std::vector<std::vector<InstrItinerary> > &ProcList); | |
| void EmitProcessorData(raw_ostream &OS, | |
| std::vector<Record*> &ItinClassList, | |
| std::vector<std::vector<InstrItinerary> > &ProcList); | |
| void EmitProcessorLookup(raw_ostream &OS); | |
| void EmitData(raw_ostream &OS); | |
| void ParseFeaturesFunction(raw_ostream &OS, unsigned NumFeatures, | |
| unsigned NumProcs); | |
| public: | |
| SubtargetEmitter(RecordKeeper &R) : Records(R), HasItineraries(false) {} | |
| // run - Output the subtarget enumerations, returning true on failure. | |
| void run(raw_ostream &o); | |
| }; | |
| } // End llvm namespace | |
| #endif | |