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Viewing changes to libclamav/c++/llvm/utils/TableGen/SubtargetEmitter.h

  • Committer: Bazaar Package Importer
  • Author(s): Kees Cook
  • Date: 2007-02-20 10:33:44 UTC
  • mto: This revision was merged to the branch mainline in revision 16.
  • Revision ID: james.westby@ubuntu.com-20070220103344-zgcu2psnx9d98fpa
Tags: upstream-0.90
Import upstream version 0.90

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libclamav/c++/llvm/utils/TableGen/SubtargetEmitter.h
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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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// 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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//
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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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#include "TableGenBackend.h"
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#include "llvm/Target/TargetInstrItineraries.h"
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#include <vector>
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#include <map>
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#include <string>
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namespace llvm {
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class SubtargetEmitter : public TableGenBackend {
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  RecordKeeper &Records;
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  std::string Target;
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  bool HasItineraries;
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  void Enumeration(raw_ostream &OS, const char *ClassName, bool isBits);
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  void FeatureKeyValues(raw_ostream &OS);
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  void CPUKeyValues(raw_ostream &OS);
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  unsigned CollectAllItinClasses(raw_ostream &OS,
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                               std::map<std::string, unsigned> &ItinClassesMap);
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  void FormItineraryStageString(const std::string &Names,
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                                Record *ItinData, std::string &ItinString,
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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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  void EmitStageAndOperandCycleData(raw_ostream &OS, unsigned NItinClasses,
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                     std::map<std::string, unsigned> &ItinClassesMap,
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                     std::vector<std::vector<InstrItinerary> > &ProcList);
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  void EmitProcessorData(raw_ostream &OS,
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                       std::vector<std::vector<InstrItinerary> > &ProcList);
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  void EmitProcessorLookup(raw_ostream &OS);
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  void EmitData(raw_ostream &OS);
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  void ParseFeaturesFunction(raw_ostream &OS);
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public:
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  SubtargetEmitter(RecordKeeper &R) : Records(R), HasItineraries(false) {}
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  // run - Output the subtarget enumerations, returning true on failure.
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  void run(raw_ostream &o);
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};
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} // End llvm namespace
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#endif
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