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 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/ADT/APInt.h"
18 #include "llvm/MC/MCCodeEmitter.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 
AMDGPUMCCodeEmitter(const MCInstrInfo & mcii)34   AMDGPUMCCodeEmitter(const MCInstrInfo &mcii) : MCII(mcii) {}
35 
36 public:
37   void getBinaryCodeForInstr(const MCInst &MI, SmallVectorImpl<MCFixup> &Fixups,
38                              APInt &Inst, APInt &Scratch,
39                              const MCSubtargetInfo &STI) const;
40 
41   virtual void getMachineOpValue(const MCInst &MI, const MCOperand &MO,
42                                  APInt &Op, SmallVectorImpl<MCFixup> &Fixups,
43                                  const MCSubtargetInfo &STI) const = 0;
44 
45   virtual void getSOPPBrEncoding(const MCInst &MI, unsigned OpNo, APInt &Op,
46                                  SmallVectorImpl<MCFixup> &Fixups,
47                                  const MCSubtargetInfo &STI) const = 0;
48 
49   virtual void getSMEMOffsetEncoding(const MCInst &MI, unsigned OpNo, APInt &Op,
50                                      SmallVectorImpl<MCFixup> &Fixups,
51                                      const MCSubtargetInfo &STI) const = 0;
52 
53   virtual void getSDWASrcEncoding(const MCInst &MI, unsigned OpNo, APInt &Op,
54                                   SmallVectorImpl<MCFixup> &Fixups,
55                                   const MCSubtargetInfo &STI) const = 0;
56 
57   virtual void getSDWAVopcDstEncoding(const MCInst &MI, unsigned OpNo,
58                                       APInt &Op,
59                                       SmallVectorImpl<MCFixup> &Fixups,
60                                       const MCSubtargetInfo &STI) const = 0;
61 
62   virtual void getAVOperandEncoding(const MCInst &MI, unsigned OpNo, APInt &Op,
63                                     SmallVectorImpl<MCFixup> &Fixups,
64                                     const MCSubtargetInfo &STI) const = 0;
65 };
66 
67 } // End namespace llvm
68 
69 #endif
70