+public:
+ X86TargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS, bool is64Bit);
+
+ virtual const X86InstrInfo *getInstrInfo() const {
+ llvm_unreachable("getInstrInfo not implemented");
+ }
+ virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
+ virtual X86JITInfo *getJITInfo() {
+ llvm_unreachable("getJITInfo not implemented");
+ }
+ virtual const X86Subtarget *getSubtargetImpl() const{ return &Subtarget; }
+ virtual const X86TargetLowering *getTargetLowering() const {
+ llvm_unreachable("getTargetLowering not implemented");
+ }
+ virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
+ llvm_unreachable("getSelectionDAGInfo not implemented");
+ }
+ virtual const X86RegisterInfo *getRegisterInfo() const {
+ return &getInstrInfo()->getRegisterInfo();
+ }
+ virtual const X86ELFWriterInfo *getELFWriterInfo() const {
+ return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
+ }
+
+ // Set up the pass pipeline.
+ virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
+ virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
+ JITCodeEmitter &JCE);
+};
+
+/// X86_32TargetMachine - X86 32-bit target machine.
+///
+class X86_32TargetMachine : public X86TargetMachine {
+ const TargetData DataLayout; // Calculates type size & alignment
+ X86InstrInfo InstrInfo;
+ X86SelectionDAGInfo TSInfo;
+ X86TargetLowering TLInfo;
+ X86JITInfo JITInfo;
+public:
+ X86_32TargetMachine(const Target &T, const std::string &M,
+ const std::string &FS);
+ virtual const TargetData *getTargetData() const { return &DataLayout; }
+ virtual const X86TargetLowering *getTargetLowering() const {
+ return &TLInfo;
+ }
+ virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
+ return &TSInfo;
+ }
+ virtual const X86InstrInfo *getInstrInfo() const {
+ return &InstrInfo;
+ }
+ virtual X86JITInfo *getJITInfo() {
+ return &JITInfo;
+ }
+};
+
+/// X86_64TargetMachine - X86 64-bit target machine.
+///
+class X86_64TargetMachine : public X86TargetMachine {
+ const TargetData DataLayout; // Calculates type size & alignment
+ X86InstrInfo InstrInfo;
+ X86SelectionDAGInfo TSInfo;
+ X86TargetLowering TLInfo;
+ X86JITInfo JITInfo;
+public:
+ X86_64TargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS);
+ virtual const TargetData *getTargetData() const { return &DataLayout; }
+ virtual const X86TargetLowering *getTargetLowering() const {
+ return &TLInfo;
+ }
+ virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
+ return &TSInfo;
+ }
+ virtual const X86InstrInfo *getInstrInfo() const {
+ return &InstrInfo;
+ }
+ virtual X86JITInfo *getJITInfo() {
+ return &JITInfo;
+ }