AMDGPUMCCodeEmitter.h

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//===-- AMDGPUCodeEmitter.h - AMDGPU Code Emitter interface -----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
/// \file
/// CodeEmitter interface for SI codegen.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCCODEEMITTER_H
#define LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCCODEEMITTER_H
 
#include "llvm/MC/MCCodeEmitter.h"
#include <cstdint>
 
namespace llvm {
 
class MCInst;
class MCInstrInfo;
class MCOperand;
class MCSubtargetInfo;
class FeatureBitset;
 
class AMDGPUMCCodeEmitter : public MCCodeEmitter {
  virtual void anchor();
 
protected:
  const MCInstrInfo &MCII;
 
  AMDGPUMCCodeEmitter(const MCInstrInfo &mcii) : MCII(mcii) {}
 
public:
 
  uint64_t getBinaryCodeForInstr(const MCInst &MI,
                                 SmallVectorImpl<MCFixup> &Fixups,
                                 const MCSubtargetInfo &STI) const;
 
  virtual uint64_t getMachineOpValue(const MCInst &MI, const MCOperand &MO,
                                     SmallVectorImpl<MCFixup> &Fixups,
                                     const MCSubtargetInfo &STI) const {
    return 0;
  }
 
  virtual unsigned getSOPPBrEncoding(const MCInst &MI, unsigned OpNo,
                                     SmallVectorImpl<MCFixup> &Fixups,
                                     const MCSubtargetInfo &STI) const {
    return 0;
  }
 
  virtual unsigned getSMEMOffsetEncoding(const MCInst &MI, unsigned OpNo,
                                         SmallVectorImpl<MCFixup> &Fixups,
                                         const MCSubtargetInfo &STI) const {
    return 0;
  }
 
  virtual unsigned getSDWASrcEncoding(const MCInst &MI, unsigned OpNo,
                                      SmallVectorImpl<MCFixup> &Fixups,
                                      const MCSubtargetInfo &STI) const {
    return 0;
  }
 
  virtual unsigned getSDWAVopcDstEncoding(const MCInst &MI, unsigned OpNo,
                                          SmallVectorImpl<MCFixup> &Fixups,
                                          const MCSubtargetInfo &STI) const {
    return 0;
  }
 
  virtual unsigned getAVOperandEncoding(const MCInst &MI, unsigned OpNo,
                                        SmallVectorImpl<MCFixup> &Fixups,
                                        const MCSubtargetInfo &STI) const {
    return 0;
  }
 
protected:
  FeatureBitset computeAvailableFeatures(const FeatureBitset &FB) const;
  void
  verifyInstructionPredicates(const MCInst &MI,
                              const FeatureBitset &AvailableFeatures) const;
};
 
} // End namespace llvm
 
#endif