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 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