xref: /freebsd/contrib/llvm-project/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonInstPrinter.h (revision 6966ac055c3b7a39266fb982493330df7a097997)
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
52