xref: /freebsd/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64MCInstLower.h (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5)
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 MCContext;
18 class MCInst;
19 class MCOperand;
20 class MCSymbol;
21 class MachineInstr;
22 class MachineOperand;
23 
24 /// AArch64MCInstLower - This class is used to lower an MachineInstr
25 /// into an MCInst.
26 class LLVM_LIBRARY_VISIBILITY AArch64MCInstLower {
27   MCContext &Ctx;
28   AsmPrinter &Printer;
29   Triple TargetTriple;
30 
31 public:
32   AArch64MCInstLower(MCContext &ctx, AsmPrinter &printer);
33 
34   bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp) const;
35   void Lower(const MachineInstr *MI, MCInst &OutMI) const;
36 
37   MCOperand lowerSymbolOperandDarwin(const MachineOperand &MO,
38                                      MCSymbol *Sym) const;
39   MCOperand lowerSymbolOperandELF(const MachineOperand &MO,
40                                   MCSymbol *Sym) const;
41   MCOperand lowerSymbolOperandCOFF(const MachineOperand &MO,
42                                    MCSymbol *Sym) const;
43   MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
44 
45   MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
46   MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
47 };
48 }
49 
50 #endif
51