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      1 //===-- HexagonMCCodeEmitter.h - Hexagon Target Descriptions ----*- C++ -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 ///
     10 /// \file
     11 /// \brief Definition for classes that emit Hexagon machine code from MCInsts
     12 ///
     13 //===----------------------------------------------------------------------===//
     14 
     15 #ifndef HEXAGONMCCODEEMITTER_H
     16 #define HEXAGONMCCODEEMITTER_H
     17 
     18 #include "llvm/MC/MCCodeEmitter.h"
     19 #include "llvm/MC/MCExpr.h"
     20 #include "llvm/MC/MCInst.h"
     21 #include "llvm/MC/MCInstrInfo.h"
     22 #include "llvm/MC/MCRegisterInfo.h"
     23 #include "llvm/MC/MCSubtargetInfo.h"
     24 #include "llvm/Support/raw_ostream.h"
     25 
     26 namespace llvm {
     27 
     28 class HexagonMCCodeEmitter : public MCCodeEmitter {
     29   MCContext &MCT;
     30   MCInstrInfo const &MCII;
     31 
     32 public:
     33   HexagonMCCodeEmitter(MCInstrInfo const &aMII, MCContext &aMCT);
     34 
     35   MCSubtargetInfo const &getSubtargetInfo() const;
     36 
     37   void EncodeInstruction(MCInst const &MI, raw_ostream &OS,
     38                          SmallVectorImpl<MCFixup> &Fixups,
     39                          MCSubtargetInfo const &STI) const override;
     40 
     41   // \brief TableGen'erated function for getting the
     42   // binary encoding for an instruction.
     43   uint64_t getBinaryCodeForInstr(MCInst const &MI,
     44                                  SmallVectorImpl<MCFixup> &Fixups,
     45                                  MCSubtargetInfo const &STI) const;
     46 
     47   /// \brief Return binary encoding of operand.
     48   unsigned getMachineOpValue(MCInst const &MI, MCOperand const &MO,
     49                              SmallVectorImpl<MCFixup> &Fixups,
     50                              MCSubtargetInfo const &STI) const;
     51 
     52 private:
     53   HexagonMCCodeEmitter(HexagonMCCodeEmitter const &) = delete;
     54   void operator=(HexagonMCCodeEmitter const &) = delete;
     55 }; // class HexagonMCCodeEmitter
     56 
     57 } // namespace llvm
     58 
     59 #endif /* HEXAGONMCCODEEMITTER_H */
     60