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 103