llvm/lib/Target/SystemZ/SystemZMCInstLower.h

   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