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//===- AMDGPUMCInstLower.h MachineInstr Lowering Interface ------*- C++ -*-===//
//                     The LLVM Compiler Infrastructure
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
/// \file


namespace llvm {

class AMDGPUSubtarget;
class MachineInstr;
class MCContext;
class MCInst;

class AMDGPUMCInstLower {

  // This must be kept in sync with the SISubtarget class in SIInstrInfo.td
  enum SISubtarget {
    SI = 0

  MCContext &Ctx;
  const AMDGPUSubtarget &ST;

  /// Convert a member of the AMDGPUSubtarget::Generation enum to the
  /// SISubtarget enum.
  enum SISubtarget AMDGPUSubtargetToSISubtarget(unsigned Gen) const;

  /// Get the MC opcode for this MachineInstr.
  unsigned getMCOpcode(unsigned MIOpcode) const;

  AMDGPUMCInstLower(MCContext &ctx, const AMDGPUSubtarget &ST);

  /// \brief Lower a MachineInstr to an MCInst
  void lower(const MachineInstr *MI, MCInst &OutMI) const;


} // End namespace llvm