lib/Target/IA64/IA64TargetMachine.h

//===-- IA64TargetMachine.h - Define TargetMachine for IA64 ---*- C++ -*---===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the IA64 specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TARGET_IA64TARGETMACHINE_H
#define LLVM_TARGET_IA64TARGETMACHINE_H

#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetFrameInfo.h"
#include "IA64InstrInfo.h"
#include "IA64ISelLowering.h"
#include "IA64Subtarget.h"

namespace llvm {

class IA64TargetMachine : public LLVMTargetMachine {
  IA64Subtarget    Subtarget;
  const TargetData DataLayout;       // Calculates type size & alignment
  IA64InstrInfo      InstrInfo;
  TargetFrameInfo    FrameInfo;
  //IA64JITInfo      JITInfo;
  IA64TargetLowering TLInfo;

protected:
  virtual const TargetAsmInfo *createTargetAsmInfo() const;

  // To avoid having target depend on the asmprinter stuff libraries, asmprinter
  // set this functions to ctor pointer at startup time if they are linked in.
  typedef FunctionPass *(*AsmPrinterCtorFn)(formatted_raw_ostream &o,
                                            TargetMachine &tm,
                                            bool verbose);
  static AsmPrinterCtorFn AsmPrinterCtor;

public:
  IA64TargetMachine(const Target &T, const Module &M, const std::string &FS);

  virtual const IA64InstrInfo      *getInstrInfo() const { return &InstrInfo; }
  virtual const TargetFrameInfo    *getFrameInfo() const { return &FrameInfo; }
  virtual const IA64Subtarget  *getSubtargetImpl() const { return &Subtarget; }
  virtual       IA64TargetLowering *getTargetLowering() const {
    return const_cast<IA64TargetLowering*>(&TLInfo);
  }
  virtual const IA64RegisterInfo   *getRegisterInfo() const {
    return &InstrInfo.getRegisterInfo();
  }
  virtual const TargetData       *getTargetData() const { return &DataLayout; }

  // Pass Pipeline Configuration
  virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  virtual bool addAssemblyEmitter(PassManagerBase &PM,
                                  CodeGenOpt::Level OptLevel,
                                  bool Verbose, formatted_raw_ostream &Out);

  static void registerAsmPrinter(AsmPrinterCtorFn F) {
    AsmPrinterCtor = F;
  }
};
} // End llvm namespace

#endif