1 | //===-- M68kMCInstLower.h - Lower MachineInstr to MCInst --------*- 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 | /// \file |
10 | /// This file contains code to lower M68k MachineInstrs to their |
11 | /// corresponding MCInst records. |
12 | /// |
13 | //===----------------------------------------------------------------------===// |
14 | |
15 | #ifndef LLVM_LIB_TARGET_M68K_M68KMCINSTLOWER_H |
16 | #define LLVM_LIB_TARGET_M68K_M68KMCINSTLOWER_H |
17 | |
18 | #include "llvm/CodeGen/MachineOperand.h" |
19 | #include "llvm/MC/MCAsmInfo.h" |
20 | #include "llvm/Target/TargetMachine.h" |
21 | |
22 | namespace llvm { |
23 | class MCContext; |
24 | class MCInst; |
25 | class MCOperand; |
26 | class MachineInstr; |
27 | class MachineFunction; |
28 | class M68kAsmPrinter; |
29 | |
30 | /// This class is used to lower an MachineInstr into an MCInst. |
31 | class M68kMCInstLower { |
32 | typedef MachineOperand::MachineOperandType MachineOperandType; |
33 | MCContext &Ctx; |
34 | MachineFunction &MF; |
35 | const TargetMachine &TM; |
36 | const MCAsmInfo &MAI; |
37 | M68kAsmPrinter &AsmPrinter; |
38 | |
39 | public: |
40 | M68kMCInstLower(MachineFunction &MF, M68kAsmPrinter &AP); |
41 | |
42 | /// Lower an MO_GlobalAddress or MO_ExternalSymbol operand to an MCSymbol. |
43 | MCSymbol *GetSymbolFromOperand(const MachineOperand &MO) const; |
44 | |
45 | MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const; |
46 | |
47 | std::optional<MCOperand> LowerOperand(const MachineInstr *MI, |
48 | const MachineOperand &MO) const; |
49 | |
50 | void Lower(const MachineInstr *MI, MCInst &OutMI) const; |
51 | }; |
52 | } // namespace llvm |
53 | |
54 | #endif // LLVM_LIB_TARGET_M68K_M68KMCINSTLOWER_H |
55 |