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 public:
  42   X86TargetMachine(const Target &T, const std::string &TT,
  43                    const std::string &FS, bool is64Bit);
  44
  45   virtual const X86InstrInfo     *getInstrInfo() const { return &InstrInfo; }
  46   virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
  47   virtual       X86JITInfo       *getJITInfo()         { return &JITInfo; }
  48   virtual const X86Subtarget     *getSubtargetImpl() const{ return &Subtarget; }
  49   virtual       X86TargetLowering *getTargetLowering() const {
  50     return const_cast<X86TargetLowering*>(&TLInfo);
  51   }
  52   virtual const X86RegisterInfo  *getRegisterInfo() const {
  53     return &InstrInfo.getRegisterInfo();
  54   }
  55   virtual const TargetData       *getTargetData() const { return &DataLayout; }
  56   virtual const X86ELFWriterInfo *getELFWriterInfo() const {
  57     return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
  58   }
  59
  60   // Set up the pass pipeline.
  61   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  62   virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  63   virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  64   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  65                               MachineCodeEmitter &MCE);
  66   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  67                               JITCodeEmitter &JCE);
  68   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  69                               ObjectCodeEmitter &OCE);
  70   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  71                                     CodeGenOpt::Level OptLevel,
  72                                     MachineCodeEmitter &MCE);
  73   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  74                                     CodeGenOpt::Level OptLevel,
  75                                     JITCodeEmitter &JCE);
  76   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  77                                     CodeGenOpt::Level OptLevel,
  78                                     ObjectCodeEmitter &OCE);
  79 };
  80
  81 /// X86_32TargetMachine - X86 32-bit target machine.
  82 ///
  83 class X86_32TargetMachine : public X86TargetMachine {
  84 public:
  85   X86_32TargetMachine(const Target &T, const std::string &M,
  86                       const std::string &FS);
  87 };
  88
  89 /// X86_64TargetMachine - X86 64-bit target machine.
  90 ///
  91 class X86_64TargetMachine : public X86TargetMachine {
  92 public:
  93   X86_64TargetMachine(const Target &T, const std::string &TT,
  94                       const std::string &FS);
  95 };
  96
  97 } // End llvm namespace
  98
  99 #endif