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      1 //===-- HexagonInstPrinter.h - Convert Hexagon MCInst to assembly syntax --===//
      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 //
     10 //===----------------------------------------------------------------------===//
     11 
     12 #ifndef LLVM_LIB_TARGET_HEXAGON_INSTPRINTER_HEXAGONINSTPRINTER_H
     13 #define LLVM_LIB_TARGET_HEXAGON_INSTPRINTER_HEXAGONINSTPRINTER_H
     14 
     15 #include "llvm/MC/MCInstPrinter.h"
     16 
     17 namespace llvm {
     18 /// Prints bundles as a newline separated list of individual instructions
     19 /// Duplexes are separated by a vertical tab \v character
     20 /// A trailing line includes bundle properties such as endloop0/1
     21 ///
     22 /// r0 = add(r1, r2)
     23 /// r0 = #0 \v jump 0x0
     24 /// :endloop0 :endloop1
     25 class HexagonInstPrinter : public MCInstPrinter {
     26 public:
     27   explicit HexagonInstPrinter(MCAsmInfo const &MAI, MCInstrInfo const &MII,
     28                               MCRegisterInfo const &MRI)
     29     : MCInstPrinter(MAI, MII, MRI), MII(MII) {}
     30 
     31   void printInst(MCInst const *MI, uint64_t Address, StringRef Annot,
     32                  const MCSubtargetInfo &STI, raw_ostream &O) override;
     33   void printRegName(raw_ostream &O, unsigned RegNo) const override;
     34 
     35   static char const *getRegisterName(unsigned RegNo);
     36 
     37   std::pair<const char *, uint64_t> getMnemonic(const MCInst *MI) override;
     38   void printInstruction(const MCInst *MI, uint64_t Address, raw_ostream &O);
     39   void printOperand(MCInst const *MI, unsigned OpNo, raw_ostream &O) const;
     40   void printBrtarget(MCInst const *MI, unsigned OpNo, raw_ostream &O) const;
     41 
     42   MCAsmInfo const &getMAI() const { return MAI; }
     43   MCInstrInfo const &getMII() const { return MII; }
     44 
     45 private:
     46   MCInstrInfo const &MII;
     47   bool HasExtender = false;
     48 };
     49 
     50 } // end namespace llvm
     51 
     52 #endif
     53