1 //===-- AArch64MCInstLower.h - Lower MachineInstr to MCInst ---------------===//
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 #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MCINSTLOWER_H
10 #define LLVM_LIB_TARGET_AARCH64_AARCH64MCINSTLOWER_H
11 
12 #include "llvm/ADT/Triple.h"
13 #include "llvm/Support/Compiler.h"
14 
15 namespace llvm {
16 class AsmPrinter;
17 class MCAsmInfo;
18 class MCContext;
19 class MCInst;
20 class MCOperand;
21 class MCSymbol;
22 class MachineInstr;
23 class MachineModuleInfoMachO;
24 class MachineOperand;
25 class Mangler;
26 
27 /// AArch64MCInstLower - This class is used to lower an MachineInstr
28 /// into an MCInst.
29 class LLVM_LIBRARY_VISIBILITY AArch64MCInstLower {
30   MCContext &Ctx;
31   AsmPrinter &Printer;
32   Triple TargetTriple;
33 
34 public:
35   AArch64MCInstLower(MCContext &ctx, AsmPrinter &printer);
36 
37   bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp) const;
38   void Lower(const MachineInstr *MI, MCInst &OutMI) const;
39 
40   MCOperand lowerSymbolOperandDarwin(const MachineOperand &MO,
41                                      MCSymbol *Sym) const;
42   MCOperand lowerSymbolOperandELF(const MachineOperand &MO,
43                                   MCSymbol *Sym) const;
44   MCOperand lowerSymbolOperandCOFF(const MachineOperand &MO,
45                                    MCSymbol *Sym) const;
46   MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
47 
48   MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
49   MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
50 };
51 }
52 
53 #endif
54