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1 //===-- HexagonInstPrinter.h - Convert Hexagon MCInst to assembly syntax --===//
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 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_HEXAGON_INSTPRINTER_HEXAGONINSTPRINTER_H
14 #define LLVM_LIB_TARGET_HEXAGON_INSTPRINTER_HEXAGONINSTPRINTER_H
15 
16 #include "llvm/MC/MCInstPrinter.h"
17 
18 namespace llvm {
19 /// Prints bundles as a newline separated list of individual instructions
20 /// Duplexes are separated by a vertical tab \v character
21 /// A trailing line includes bundle properties such as endloop0/1
22 ///
23 /// r0 = add(r1, r2)
24 /// r0 = #0 \v jump 0x0
25 /// :endloop0 :endloop1
26 class HexagonInstPrinter : public MCInstPrinter {
27 public:
28   explicit HexagonInstPrinter(MCAsmInfo const &MAI, MCInstrInfo const &MII,
29                               MCRegisterInfo const &MRI);
30   void printInst(MCInst const *MI, raw_ostream &O, StringRef Annot,
31                  const MCSubtargetInfo &STI) override;
32   virtual StringRef getOpcodeName(unsigned Opcode) const;
33   void printInstruction(MCInst const *MI, raw_ostream &O);
34 
35   StringRef getRegName(unsigned RegNo) const;
36   static char const *getRegisterName(unsigned RegNo);
37   void printRegName(raw_ostream &O, unsigned RegNo) const override;
38 
39   void printOperand(MCInst const *MI, unsigned OpNo, raw_ostream &O) const;
40   void printExtOperand(MCInst const *MI, unsigned OpNo, raw_ostream &O) const;
41   void printUnsignedImmOperand(MCInst const *MI, unsigned OpNo,
42                                raw_ostream &O) const;
43   void printNegImmOperand(MCInst const *MI, unsigned OpNo,
44                           raw_ostream &O) const;
45   void printNOneImmOperand(MCInst const *MI, unsigned OpNo,
46                            raw_ostream &O) const;
47   void prints3_6ImmOperand(MCInst const *MI, unsigned OpNo,
48                            raw_ostream &O) const;
49   void prints3_7ImmOperand(MCInst const *MI, unsigned OpNo,
50                            raw_ostream &O) const;
51   void prints4_6ImmOperand(MCInst const *MI, unsigned OpNo,
52                            raw_ostream &O) const;
53   void prints4_7ImmOperand(MCInst const *MI, unsigned OpNo,
54                            raw_ostream &O) const;
55   void printBranchOperand(MCInst const *MI, unsigned OpNo,
56                           raw_ostream &O) const;
57   void printCallOperand(MCInst const *MI, unsigned OpNo, raw_ostream &O) const;
58   void printAbsAddrOperand(MCInst const *MI, unsigned OpNo,
59                            raw_ostream &O) const;
60   void printPredicateOperand(MCInst const *MI, unsigned OpNo,
61                              raw_ostream &O) const;
62   void printGlobalOperand(MCInst const *MI, unsigned OpNo,
63                           raw_ostream &O) const;
64   void printJumpTable(MCInst const *MI, unsigned OpNo, raw_ostream &O) const;
65   void printBrtarget(MCInst const *MI, unsigned OpNo, raw_ostream &O) const;
66 
67   void printConstantPool(MCInst const *MI, unsigned OpNo, raw_ostream &O) const;
68 
printSymbolHi(MCInst const * MI,unsigned OpNo,raw_ostream & O)69   void printSymbolHi(MCInst const *MI, unsigned OpNo, raw_ostream &O) const {
70     printSymbol(MI, OpNo, O, true);
71   }
printSymbolLo(MCInst const * MI,unsigned OpNo,raw_ostream & O)72   void printSymbolLo(MCInst const *MI, unsigned OpNo, raw_ostream &O) const {
73     printSymbol(MI, OpNo, O, false);
74   }
75 
getMAI()76   MCAsmInfo const &getMAI() const { return MAI; }
getMII()77   MCInstrInfo const &getMII() const { return MII; }
78 
79 protected:
80   void printSymbol(MCInst const *MI, unsigned OpNo, raw_ostream &O,
81                    bool hi) const;
82 
83 private:
84   MCInstrInfo const &MII;
85 
86   bool HasExtender;
87   void setExtender(MCInst const &MCI);
88 };
89 
90 } // end namespace llvm
91 
92 #endif
93