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 SystemZAsmPrinter;
22 
23 class LLVM_LIBRARY_VISIBILITY SystemZMCInstLower {
24   MCContext &Ctx;
25   SystemZAsmPrinter &AsmPrinter;
26 
27 public:
28   SystemZMCInstLower(MCContext &ctx, SystemZAsmPrinter &asmPrinter);
29 
30   // Lower MachineInstr MI to MCInst OutMI.
31   void lower(const MachineInstr *MI, MCInst &OutMI) const;
32 
33   // Return an MCOperand for MO.
34   MCOperand lowerOperand(const MachineOperand& MO) const;
35 
36   // Return an MCExpr for symbolic operand MO with variant kind Kind.
37   const MCExpr *getExpr(const MachineOperand &MO,
38                         MCSymbolRefExpr::VariantKind Kind) const;
39 };
40 } // end namespace llvm
41 
42 #endif
43