lib/Target/Hexagon/MCTargetDesc/HexagonInstPrinter.h

   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, raw_ostream &O, StringRef Annot,
  32                  const MCSubtargetInfo &STI) override;
  33   void printRegName(raw_ostream &O, unsigned RegNo) const override;
  34
  35   static char const *getRegisterName(unsigned RegNo);
  36
  37   void printInstruction(MCInst const *MI, raw_ostream &O);
  38   void printOperand(MCInst const *MI, unsigned OpNo, raw_ostream &O) const;
  39   void printBrtarget(MCInst const *MI, unsigned OpNo, raw_ostream &O) const;
  40
  41   MCAsmInfo const &getMAI() const { return MAI; }
  42   MCInstrInfo const &getMII() const { return MII; }
  43
  44 private:
  45   MCInstrInfo const &MII;
  46   bool HasExtender = false;
  47 };
  48
  49 } // end namespace llvm
  50
  51 #endif