1 //= LanaiInstPrinter.h - Convert Lanai MCInst to asm syntax -------*- C++ -*--//
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 // This class prints a Lanai MCInst to a .s file.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIINSTPRINTER_H
14 #define LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIINSTPRINTER_H
15 
16 #include "llvm/ADT/StringRef.h"
17 #include "llvm/MC/MCInstPrinter.h"
18 
19 namespace llvm {
20 
21 class LanaiInstPrinter : public MCInstPrinter {
22 public:
LanaiInstPrinter(const MCAsmInfo & MAI,const MCInstrInfo & MII,const MCRegisterInfo & MRI)23   LanaiInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
24                    const MCRegisterInfo &MRI)
25       : MCInstPrinter(MAI, MII, MRI) {}
26 
27   void printInst(const MCInst *MI, uint64_t Address, StringRef Annot,
28                  const MCSubtargetInfo &STI, raw_ostream &O) override;
29   void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O,
30                     const char *Modifier = nullptr);
31   void printPredicateOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
32   void printMemRiOperand(const MCInst *MI, int OpNo, raw_ostream &O,
33                          const char *Modifier = nullptr);
34   void printMemRrOperand(const MCInst *MI, int OpNo, raw_ostream &O,
35                          const char *Modifier = nullptr);
36   void printMemSplsOperand(const MCInst *MI, int OpNo, raw_ostream &O,
37                            const char *Modifier = nullptr);
38   void printCCOperand(const MCInst *MI, int OpNo, raw_ostream &O);
39   void printAluOperand(const MCInst *MI, int OpNo, raw_ostream &O);
40   void printHi16ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
41   void printHi16AndImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
42   void printLo16AndImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
43   void printMemImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
44 
45   // Autogenerated by tblgen.
46   std::pair<const char *, uint64_t> getMnemonic(const MCInst *MI) override;
47   void printInstruction(const MCInst *MI, uint64_t Address, raw_ostream &O);
48   bool printAliasInstr(const MCInst *MI, uint64_t Address, raw_ostream &OS);
49   void printCustomAliasOperand(const MCInst *MI, uint64_t Address,
50                                unsigned OpIdx, unsigned PrintMethodIdx,
51                                raw_ostream &O);
52   static const char *getRegisterName(unsigned RegNo);
53   void printRegName(raw_ostream &OS, unsigned RegNo) const override;
54 
55 private:
56   bool printAlias(const MCInst *MI, raw_ostream &Ostream);
57   bool printInst(const MCInst *MI, raw_ostream &Ostream, StringRef Alias,
58                  unsigned OpNo0, unsigned OpnNo1);
59   bool printMemoryLoadIncrement(const MCInst *MI, raw_ostream &Ostream,
60                                 StringRef Opcode, int AddOffset);
61   bool printMemoryStoreIncrement(const MCInst *MI, raw_ostream &Ostream,
62                                  StringRef Opcode, int AddOffset);
63 };
64 
65 } // end namespace llvm
66 
67 #endif // LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIINSTPRINTER_H
68