lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCCodeEmitter.h

   1 //===-- AMDGPUCodeEmitter.h - AMDGPU Code Emitter interface -----*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 /// \file
  10 /// CodeEmitter interface for R600 and SI codegen.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCCODEEMITTER_H
  15 #define LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCCODEEMITTER_H
  16
  17 #include "llvm/MC/MCCodeEmitter.h"
  18 #include "llvm/Support/raw_ostream.h"
  19
  20 namespace llvm {
  21
  22 class MCInst;
  23 class MCInstrInfo;
  24 class MCOperand;
  25 class MCSubtargetInfo;
  26 class FeatureBitset;
  27
  28 class AMDGPUMCCodeEmitter : public MCCodeEmitter {
  29   virtual void anchor();
  30
  31 protected:
  32   const MCInstrInfo &MCII;
  33
  34   AMDGPUMCCodeEmitter(const MCInstrInfo &mcii) : MCII(mcii) {}
  35
  36 public:
  37
  38   uint64_t getBinaryCodeForInstr(const MCInst &MI,
  39                                  SmallVectorImpl<MCFixup> &Fixups,
  40                                  const MCSubtargetInfo &STI) const;
  41
  42   virtual uint64_t getMachineOpValue(const MCInst &MI, const MCOperand &MO,
  43                                      SmallVectorImpl<MCFixup> &Fixups,
  44                                      const MCSubtargetInfo &STI) const {
  45     return 0;
  46   }
  47
  48   virtual unsigned getSOPPBrEncoding(const MCInst &MI, unsigned OpNo,
  49                                      SmallVectorImpl<MCFixup> &Fixups,
  50                                      const MCSubtargetInfo &STI) const {
  51     return 0;
  52   }
  53
  54   virtual unsigned getSDWASrcEncoding(const MCInst &MI, unsigned OpNo,
  55                                       SmallVectorImpl<MCFixup> &Fixups,
  56                                       const MCSubtargetInfo &STI) const {
  57     return 0;
  58   }
  59
  60   virtual unsigned getSDWAVopcDstEncoding(const MCInst &MI, unsigned OpNo,
  61                                           SmallVectorImpl<MCFixup> &Fixups,
  62                                           const MCSubtargetInfo &STI) const {
  63     return 0;
  64   }
  65
  66 protected:
  67   uint64_t computeAvailableFeatures(const FeatureBitset &FB) const;
  68   void verifyInstructionPredicates(const MCInst &MI,
  69                                    uint64_t AvailableFeatures) const;
  70 };
  71
  72 } // End namespace llvm
  73
  74 #endif