lib/Target/WebAssembly/WebAssemblyMCInstLower.h

   1 //===-- WebAssemblyMCInstLower.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 /// \file
  10 /// This file declares the class to lower WebAssembly MachineInstrs to
  11 /// their corresponding MCInst records.
  12 ///
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYMCINSTLOWER_H
  16 #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYMCINSTLOWER_H
  17
  18 #include "llvm/MC/MCInst.h"
  19 #include "llvm/Support/Compiler.h"
  20
  21 namespace llvm {
  22 class WebAssemblyAsmPrinter;
  23 class MCContext;
  24 class MCSymbol;
  25 class MachineInstr;
  26 class MachineOperand;
  27
  28 /// This class is used to lower an MachineInstr into an MCInst.
  29 class LLVM_LIBRARY_VISIBILITY WebAssemblyMCInstLower {
  30   MCContext &Ctx;
  31   WebAssemblyAsmPrinter &Printer;
  32
  33   MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
  34   MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
  35   MCOperand lowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
  36
  37 public:
  38   WebAssemblyMCInstLower(MCContext &ctx, WebAssemblyAsmPrinter &printer)
  39       : Ctx(ctx), Printer(printer) {}
  40   void lower(const MachineInstr *MI, MCInst &OutMI) const;
  41 };
  42 } // end namespace llvm
  43
  44 #endif