llvm-6502/lib/Target/R600/AMDGPUMCInstLower.h
Marek Olsak 7eeb607497 R600/SI: Add VI instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223603 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-07 12:18:57 +00:00

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1.2 KiB
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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
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_R600_AMDGPUMCINSTLOWER_H
#define LLVM_LIB_TARGET_R600_AMDGPUMCINSTLOWER_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,
VI = 1
};
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