| 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 |