1 //===-- SystemZMCInstLower.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 #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZMCINSTLOWER_H
10 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZMCINSTLOWER_H
11 
12 #include "llvm/MC/MCExpr.h"
13 #include "llvm/Support/Compiler.h"
14 #include "llvm/Support/DataTypes.h"
15 
16 namespace llvm {
17 class MCInst;
18 class MCOperand;
19 class MachineInstr;
20 class MachineOperand;
21 class Mangler;
22 class SystemZAsmPrinter;
23 
24 class LLVM_LIBRARY_VISIBILITY SystemZMCInstLower {
25   MCContext &Ctx;
26   SystemZAsmPrinter &AsmPrinter;
27 
28 public:
29   SystemZMCInstLower(MCContext &ctx, SystemZAsmPrinter &asmPrinter);
30 
31   // Lower MachineInstr MI to MCInst OutMI.
32   void lower(const MachineInstr *MI, MCInst &OutMI) const;
33 
34   // Return an MCOperand for MO.
35   MCOperand lowerOperand(const MachineOperand& MO) const;
36 
37   // Return an MCExpr for symbolic operand MO with variant kind Kind.
38   const MCExpr *getExpr(const MachineOperand &MO,
39                         MCSymbolRefExpr::VariantKind Kind) const;
40 };
41 } // end namespace llvm
42 
43 #endif
44