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1 //===-- AArch64MCInstLower.h - Lower MachineInstr to MCInst ---------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MCINSTLOWER_H
11 #define LLVM_LIB_TARGET_AARCH64_AARCH64MCINSTLOWER_H
12 
13 #include "llvm/ADT/Triple.h"
14 #include "llvm/Support/Compiler.h"
15 
16 namespace llvm {
17 class AsmPrinter;
18 class MCAsmInfo;
19 class MCContext;
20 class MCInst;
21 class MCOperand;
22 class MCSymbol;
23 class MachineInstr;
24 class MachineModuleInfoMachO;
25 class MachineOperand;
26 class Mangler;
27 
28 /// AArch64MCInstLower - This class is used to lower an MachineInstr
29 /// into an MCInst.
30 class LLVM_LIBRARY_VISIBILITY AArch64MCInstLower {
31   MCContext &Ctx;
32   AsmPrinter &Printer;
33   Triple TargetTriple;
34 
35 public:
36   AArch64MCInstLower(MCContext &ctx, AsmPrinter &printer);
37 
38   bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp) const;
39   void Lower(const MachineInstr *MI, MCInst &OutMI) const;
40 
41   MCOperand lowerSymbolOperandDarwin(const MachineOperand &MO,
42                                      MCSymbol *Sym) const;
43   MCOperand lowerSymbolOperandELF(const MachineOperand &MO,
44                                   MCSymbol *Sym) const;
45   MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
46 
47   MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
48   MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
49 };
50 }
51 
52 #endif
53