2005-10-21 19:00:04 +00:00
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//===- SubtargetEmitter.h - Generate subtarget enumerations -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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2007-12-29 20:37:13 +00:00
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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2005-10-21 19:00:04 +00:00
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//
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//===----------------------------------------------------------------------===//
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//
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// This tablegen backend emits subtarget enumerations.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SUBTARGET_EMITTER_H
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#define SUBTARGET_EMITTER_H
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2011-10-01 16:41:13 +00:00
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#include "llvm/TableGen/TableGenBackend.h"
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2011-06-29 01:14:12 +00:00
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#include "llvm/MC/MCInstrItineraries.h"
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2005-10-27 19:47:21 +00:00
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#include <vector>
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#include <map>
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#include <string>
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2005-10-21 19:00:04 +00:00
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namespace llvm {
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class SubtargetEmitter : public TableGenBackend {
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2011-04-01 01:56:55 +00:00
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2005-10-21 19:00:04 +00:00
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RecordKeeper &Records;
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2005-10-26 17:30:34 +00:00
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std::string Target;
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2005-11-01 20:06:59 +00:00
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bool HasItineraries;
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2011-04-01 01:56:55 +00:00
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2009-07-03 00:10:29 +00:00
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void Enumeration(raw_ostream &OS, const char *ClassName, bool isBits);
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2011-07-01 20:45:01 +00:00
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unsigned FeatureKeyValues(raw_ostream &OS);
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unsigned CPUKeyValues(raw_ostream &OS);
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2009-07-03 00:10:29 +00:00
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unsigned CollectAllItinClasses(raw_ostream &OS,
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2010-09-09 18:18:55 +00:00
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std::map<std::string,unsigned> &ItinClassesMap,
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std::vector<Record*> &ItinClassList);
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2010-04-18 20:31:01 +00:00
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void FormItineraryStageString(const std::string &Names,
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Record *ItinData, std::string &ItinString,
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2009-08-17 16:02:57 +00:00
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unsigned &NStages);
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void FormItineraryOperandCycleString(Record *ItinData, std::string &ItinString,
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unsigned &NOperandCycles);
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2010-09-28 23:50:49 +00:00
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void FormItineraryBypassString(const std::string &Names,
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Record *ItinData,
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std::string &ItinString, unsigned NOperandCycles);
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2009-08-17 16:02:57 +00:00
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void EmitStageAndOperandCycleData(raw_ostream &OS, unsigned NItinClasses,
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2005-10-28 21:47:29 +00:00
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std::map<std::string, unsigned> &ItinClassesMap,
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2010-09-09 18:18:55 +00:00
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std::vector<Record*> &ItinClassList,
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2005-10-28 21:47:29 +00:00
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std::vector<std::vector<InstrItinerary> > &ProcList);
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2009-07-03 00:10:29 +00:00
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void EmitProcessorData(raw_ostream &OS,
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2011-04-01 02:22:47 +00:00
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std::vector<Record*> &ItinClassList,
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std::vector<std::vector<InstrItinerary> > &ProcList);
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2009-07-03 00:10:29 +00:00
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void EmitProcessorLookup(raw_ostream &OS);
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void EmitData(raw_ostream &OS);
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2011-07-01 20:45:01 +00:00
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void ParseFeaturesFunction(raw_ostream &OS, unsigned NumFeatures,
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unsigned NumProcs);
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2011-04-01 01:56:55 +00:00
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2005-10-21 19:00:04 +00:00
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public:
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2005-11-01 20:06:59 +00:00
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SubtargetEmitter(RecordKeeper &R) : Records(R), HasItineraries(false) {}
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2005-10-21 19:00:04 +00:00
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// run - Output the subtarget enumerations, returning true on failure.
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2009-07-03 00:10:29 +00:00
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void run(raw_ostream &o);
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2005-10-21 19:00:04 +00:00
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};
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} // End llvm namespace
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#endif
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