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annotate lib/Target/Mips/MipsTargetMachine.h @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children 54457678186b
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1 //===-- MipsTargetMachine.h - Define TargetMachine for Mips -----*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file declares the Mips specific subclass of TargetMachine.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #ifndef MIPSTARGETMACHINE_H
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15 #define MIPSTARGETMACHINE_H
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16
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17 #include "MipsFrameLowering.h"
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18 #include "MipsISelLowering.h"
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19 #include "MipsInstrInfo.h"
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20 #include "MipsJITInfo.h"
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21 #include "MipsSelectionDAGInfo.h"
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22 #include "MipsSubtarget.h"
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23 #include "llvm/ADT/OwningPtr.h"
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24 #include "llvm/CodeGen/Passes.h"
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25 #include "llvm/CodeGen/SelectionDAGISel.h"
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26 #include "llvm/IR/DataLayout.h"
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27 #include "llvm/Target/TargetFrameLowering.h"
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28 #include "llvm/Target/TargetMachine.h"
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29
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30 namespace llvm {
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31 class formatted_raw_ostream;
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32 class MipsRegisterInfo;
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33
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34 class MipsTargetMachine : public LLVMTargetMachine {
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35 MipsSubtarget Subtarget;
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36 const DataLayout DL; // Calculates type size & alignment
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37 OwningPtr<const MipsInstrInfo> InstrInfo;
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38 OwningPtr<const MipsFrameLowering> FrameLowering;
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39 OwningPtr<const MipsTargetLowering> TLInfo;
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40 OwningPtr<const MipsInstrInfo> InstrInfo16;
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41 OwningPtr<const MipsFrameLowering> FrameLowering16;
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42 OwningPtr<const MipsTargetLowering> TLInfo16;
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43 OwningPtr<const MipsInstrInfo> InstrInfoSE;
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44 OwningPtr<const MipsFrameLowering> FrameLoweringSE;
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45 OwningPtr<const MipsTargetLowering> TLInfoSE;
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46 MipsSelectionDAGInfo TSInfo;
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47 const InstrItineraryData &InstrItins;
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48 MipsJITInfo JITInfo;
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49
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50 public:
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51 MipsTargetMachine(const Target &T, StringRef TT,
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52 StringRef CPU, StringRef FS, const TargetOptions &Options,
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53 Reloc::Model RM, CodeModel::Model CM,
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54 CodeGenOpt::Level OL,
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55 bool isLittle);
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56
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57 virtual ~MipsTargetMachine() {}
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58
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59 virtual void addAnalysisPasses(PassManagerBase &PM);
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60
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61 virtual const MipsInstrInfo *getInstrInfo() const
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62 { return InstrInfo.get(); }
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63 virtual const TargetFrameLowering *getFrameLowering() const
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64 { return FrameLowering.get(); }
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65 virtual const MipsSubtarget *getSubtargetImpl() const
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66 { return &Subtarget; }
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67 virtual const DataLayout *getDataLayout() const
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68 { return &DL;}
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69
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70 virtual const InstrItineraryData *getInstrItineraryData() const {
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71 return Subtarget.inMips16Mode() ? 0 : &InstrItins;
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72 }
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73
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74 virtual MipsJITInfo *getJITInfo()
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75 { return &JITInfo; }
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76
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77 virtual const MipsRegisterInfo *getRegisterInfo() const {
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78 return &InstrInfo->getRegisterInfo();
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79 }
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80
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81 virtual const MipsTargetLowering *getTargetLowering() const {
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82 return TLInfo.get();
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83 }
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84
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85 virtual const MipsSelectionDAGInfo* getSelectionDAGInfo() const {
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86 return &TSInfo;
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87 }
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88
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89 // Pass Pipeline Configuration
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90 virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
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91 virtual bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &JCE);
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92
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93 // Set helper classes
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94 void setHelperClassesMips16();
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95
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96 void setHelperClassesMipsSE();
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97
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98
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99 };
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100
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101 /// MipsebTargetMachine - Mips32/64 big endian target machine.
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102 ///
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103 class MipsebTargetMachine : public MipsTargetMachine {
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104 virtual void anchor();
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105 public:
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106 MipsebTargetMachine(const Target &T, StringRef TT,
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107 StringRef CPU, StringRef FS, const TargetOptions &Options,
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108 Reloc::Model RM, CodeModel::Model CM,
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109 CodeGenOpt::Level OL);
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110 };
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111
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112 /// MipselTargetMachine - Mips32/64 little endian target machine.
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113 ///
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114 class MipselTargetMachine : public MipsTargetMachine {
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115 virtual void anchor();
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116 public:
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117 MipselTargetMachine(const Target &T, StringRef TT,
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118 StringRef CPU, StringRef FS, const TargetOptions &Options,
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119 Reloc::Model RM, CodeModel::Model CM,
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120 CodeGenOpt::Level OL);
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121 };
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122
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123 } // End llvm namespace
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124
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125 #endif