lib/Target/SystemZ/SystemZMCInstLower.h

   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