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/BinaryFormat/Wasm.h" 19#include "llvm/MC/MCInst.h" 20#include "llvm/Support/Compiler.h" 21 22namespace llvm { 23class WebAssemblyAsmPrinter; 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 WebAssemblyAsmPrinter &Printer; 33 34 MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const; 35 MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const; 36 MCOperand lowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym) const; 37 MCOperand lowerTypeIndexOperand(SmallVector<wasm::ValType, 1> &&, 38 SmallVector<wasm::ValType, 4> &&) const; 39 40public: 41 WebAssemblyMCInstLower(MCContext &ctx, WebAssemblyAsmPrinter &printer) 42 : Ctx(ctx), Printer(printer) {} 43 void lower(const MachineInstr *MI, MCInst &OutMI) const; 44}; 45} // end namespace llvm 46 47#endif 48