lib/Target/X86/X86TargetMachine.h

   1 //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file was developed by the LLVM research group and is distributed under
   6 // the University of Illinois Open Source 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 X86TargetMachine : public LLVMTargetMachine {
  30   X86Subtarget      Subtarget;
  31   const TargetData  DataLayout; // Calculates type size & alignment
  32   TargetFrameInfo   FrameInfo;
  33   X86InstrInfo      InstrInfo;
  34   X86JITInfo        JITInfo;
  35   X86TargetLowering TLInfo;
  36   X86ELFWriterInfo  ELFWriterInfo;
  37
  38 protected:
  39   virtual const TargetAsmInfo *createTargetAsmInfo() const;
  40
  41 public:
  42   X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit);
  43
  44   virtual const X86InstrInfo     *getInstrInfo() const { return &InstrInfo; }
  45   virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
  46   virtual       TargetJITInfo    *getJITInfo()         { return &JITInfo; }
  47   virtual const TargetSubtarget  *getSubtargetImpl() const{ return &Subtarget; }
  48   virtual       X86TargetLowering *getTargetLowering() const {
  49     return const_cast<X86TargetLowering*>(&TLInfo);
  50   }
  51   virtual const MRegisterInfo    *getRegisterInfo() const {
  52     return &InstrInfo.getRegisterInfo();
  53   }
  54   virtual const TargetData       *getTargetData() const { return &DataLayout; }
  55   virtual const X86ELFWriterInfo *getELFWriterInfo() const {
  56     return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
  57   }
  58
  59   static unsigned getModuleMatchQuality(const Module &M);
  60   static unsigned getJITMatchQuality();
  61
  62   // Set up the pass pipeline.
  63   virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);
  64   virtual bool addPostRegAlloc(FunctionPassManager &PM, bool Fast);
  65   virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast,
  66                                   std::ostream &Out);
  67   virtual bool addCodeEmitter(FunctionPassManager &PM, bool Fast,
  68                               bool DumpAsm, MachineCodeEmitter &MCE);
  69   virtual bool addSimpleCodeEmitter(FunctionPassManager &PM, bool Fast,
  70                                     bool DumpAsm, MachineCodeEmitter &MCE);
  71 };
  72
  73 /// X86_32TargetMachine - X86 32-bit target machine.
  74 ///
  75 class X86_32TargetMachine : public X86TargetMachine {
  76 public:
  77   X86_32TargetMachine(const Module &M, const std::string &FS);
  78
  79   static unsigned getJITMatchQuality();
  80   static unsigned getModuleMatchQuality(const Module &M);
  81 };
  82
  83 /// X86_64TargetMachine - X86 64-bit target machine.
  84 ///
  85 class X86_64TargetMachine : public X86TargetMachine {
  86 public:
  87   X86_64TargetMachine(const Module &M, const std::string &FS);
  88
  89   static unsigned getJITMatchQuality();
  90   static unsigned getModuleMatchQuality(const Module &M);
  91 };
  92
  93 } // End llvm namespace
  94
  95 #endif