llvm-6502/include/llvm/Target/TargetTransformImpl.h

//=- llvm/Target/TargetTransformImpl.h - Target Loop Trans Info----*- C++ -*-=//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the target-specific implementations of the
// TargetTransform interfaces.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TARGET_TARGET_TRANSFORMATION_IMPL_H
#define LLVM_TARGET_TARGET_TRANSFORMATION_IMPL_H

#include "llvm/TargetTransformInfo.h"

namespace llvm {

class TargetLowering;

/// ScalarTargetTransformInfo - This is a default implementation for the
/// ScalarTargetTransformInfo interface. Different targets can implement
/// this interface differently.
class ScalarTargetTransformImpl : public ScalarTargetTransformInfo {
private:
  const TargetLowering *TLI;

public:
  /// Ctor
  explicit ScalarTargetTransformImpl(const TargetLowering *TL) : TLI(TL) {}

  virtual bool isLegalAddImmediate(int64_t imm) const;

  virtual bool isLegalICmpImmediate(int64_t imm) const;

  virtual bool isLegalAddressingMode(const AddrMode &AM, Type *Ty) const;

  virtual bool isTruncateFree(Type *Ty1, Type *Ty2) const;

  virtual bool isTypeLegal(Type *Ty) const;

  virtual unsigned getJumpBufAlignment() const;

  virtual unsigned getJumpBufSize() const;
};

class VectorTargetTransformImpl : public VectorTargetTransformInfo { };

} // end llvm namespace

#endif