WebAssemblyMCInstLower.h revision 292915 
1//===-- WebAssemblyMCInstLower.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/// \file
11/// \brief This file declares the class to lower WebAssembly MachineInstrs to
12/// their corresponding MCInst records.
13///
14//===----------------------------------------------------------------------===//
15
16#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYMCINSTLOWER_H
17#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYMCINSTLOWER_H
18
19#include "llvm/MC/MCInst.h"
20#include "llvm/Support/Compiler.h"
21
22namespace llvm {
23class AsmPrinter;
24class MCContext;
25class MCSymbol;
26class MachineInstr;
27class MachineOperand;
28
29/// This class is used to lower an MachineInstr into an MCInst.
30class LLVM_LIBRARY_VISIBILITY WebAssemblyMCInstLower {
31  MCContext &Ctx;
32  AsmPrinter &Printer;
33
34  MCOperand LowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const;
35  MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
36  MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
37
38public:
39  WebAssemblyMCInstLower(MCContext &ctx, AsmPrinter &printer)
40      : Ctx(ctx), Printer(printer) {}
41  void Lower(const MachineInstr *MI, MCInst &OutMI) const;
42};
43} // end namespace llvm
44
45#endif
46