llvm-project/llvm/lib/Target/R600/AMDGPUMCInstLower.h

49 lines
1.2 KiB
C++

//===- 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
//===----------------------------------------------------------------------===//
#ifndef AMDGPU_MCINSTLOWER_H
#define AMDGPU_MCINSTLOWER_H
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;
public:
AMDGPUMCInstLower(MCContext &ctx, const AMDGPUSubtarget &ST);
/// \brief Lower a MachineInstr to an MCInst
void lower(const MachineInstr *MI, MCInst &OutMI) const;
};
} // End namespace llvm
#endif //AMDGPU_MCINSTLOWER_H