1 //===-- SystemZMCInstLower.h - Lower MachineInstr to MCInst ----*- C++ -*--===//
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_SYSTEMZ_SYSTEMZMCINSTLOWER_H
11 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZMCINSTLOWER_H
12 
13 #include "llvm/MC/MCExpr.h"
14 #include "llvm/Support/Compiler.h"
15 #include "llvm/Support/DataTypes.h"
16 
17 namespace llvm {
18 class MCInst;
19 class MCOperand;
20 class MachineInstr;
21 class MachineOperand;
22 class Mangler;
23 class SystemZAsmPrinter;
24 
25 class LLVM_LIBRARY_VISIBILITY SystemZMCInstLower {
26   MCContext &Ctx;
27   SystemZAsmPrinter &AsmPrinter;
28 
29 public:
30   SystemZMCInstLower(MCContext &ctx, SystemZAsmPrinter &asmPrinter);
31 
32   // Lower MachineInstr MI to MCInst OutMI.
33   void lower(const MachineInstr *MI, MCInst &OutMI) const;
34 
35   // Return an MCOperand for MO.
36   MCOperand lowerOperand(const MachineOperand& MO) const;
37 
38   // Return an MCExpr for symbolic operand MO with variant kind Kind.
39   const MCExpr *getExpr(const MachineOperand &MO,
40                         MCSymbolRefExpr::VariantKind Kind) const;
41 };
42 } // end namespace llvm
43 
44 #endif
45