lib/Target/X86/X86TargetMachine.h

   1 //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file declares the X86 specific subclass of TargetMachine.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef X86TARGETMACHINE_H
  15 #define X86TARGETMACHINE_H
  16
  17 #include "llvm/Target/TargetMachine.h"
  18 #include "llvm/Target/TargetData.h"
  19 #include "llvm/Target/TargetFrameInfo.h"
  20 #include "X86.h"
  21 #include "X86ELFWriterInfo.h"
  22 #include "X86InstrInfo.h"
  23 #include "X86JITInfo.h"
  24 #include "X86Subtarget.h"
  25 #include "X86ISelLowering.h"
  26
  27 namespace llvm {
  28
  29 class formatted_raw_ostream;
  30
  31 class X86TargetMachine : public LLVMTargetMachine {
  32   X86Subtarget      Subtarget;
  33   const TargetData  DataLayout; // Calculates type size & alignment
  34   TargetFrameInfo   FrameInfo;
  35   X86InstrInfo      InstrInfo;
  36   X86JITInfo        JITInfo;
  37   X86TargetLowering TLInfo;
  38   X86ELFWriterInfo  ELFWriterInfo;
  39   Reloc::Model      DefRelocModel; // Reloc model before it's overridden.
  40
  41 protected:
  42   virtual const TargetAsmInfo *createTargetAsmInfo() const;
  43
  44 public:
  45   X86TargetMachine(const Target &T, const std::string &TT,
  46                    const std::string &FS, bool is64Bit);
  47
  48   virtual const X86InstrInfo     *getInstrInfo() const { return &InstrInfo; }
  49   virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
  50   virtual       X86JITInfo       *getJITInfo()         { return &JITInfo; }
  51   virtual const X86Subtarget     *getSubtargetImpl() const{ return &Subtarget; }
  52   virtual       X86TargetLowering *getTargetLowering() const {
  53     return const_cast<X86TargetLowering*>(&TLInfo);
  54   }
  55   virtual const X86RegisterInfo  *getRegisterInfo() const {
  56     return &InstrInfo.getRegisterInfo();
  57   }
  58   virtual const TargetData       *getTargetData() const { return &DataLayout; }
  59   virtual const X86ELFWriterInfo *getELFWriterInfo() const {
  60     return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
  61   }
  62
  63   // Set up the pass pipeline.
  64   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  65   virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  66   virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  67   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  68                               MachineCodeEmitter &MCE);
  69   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  70                               JITCodeEmitter &JCE);
  71   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  72                               ObjectCodeEmitter &OCE);
  73   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  74                                     CodeGenOpt::Level OptLevel,
  75                                     MachineCodeEmitter &MCE);
  76   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  77                                     CodeGenOpt::Level OptLevel,
  78                                     JITCodeEmitter &JCE);
  79   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  80                                     CodeGenOpt::Level OptLevel,
  81                                     ObjectCodeEmitter &OCE);
  82 };
  83
  84 /// X86_32TargetMachine - X86 32-bit target machine.
  85 ///
  86 class X86_32TargetMachine : public X86TargetMachine {
  87 public:
  88   X86_32TargetMachine(const Target &T, const std::string &M,
  89                       const std::string &FS);
  90 };
  91
  92 /// X86_64TargetMachine - X86 64-bit target machine.
  93 ///
  94 class X86_64TargetMachine : public X86TargetMachine {
  95 public:
  96   X86_64TargetMachine(const Target &T, const std::string &TT,
  97                       const std::string &FS);
  98 };
  99
 100 } // End llvm namespace
 101
 102 #endif