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d6675baf7a
With the "wasm32-unknown-unknown-wasm" triple, this allows writing out simple wasm object files, and is another step in a larger series toward migrating from ELF to general wasm object support. Note that this code and the binary format itself is still experimental. llvm-svn: 296190
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
//===-- WebAssemblyMCInstLower.h - Lower MachineInstr to MCInst -*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief This file declares the class to lower WebAssembly MachineInstrs to
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/// their corresponding MCInst records.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYMCINSTLOWER_H
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#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYMCINSTLOWER_H
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#include "llvm/MC/MCInst.h"
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#include "llvm/Support/Compiler.h"
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namespace llvm {
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class WebAssemblyAsmPrinter;
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class MCContext;
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class MCSymbol;
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class MachineInstr;
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class MachineOperand;
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/// This class is used to lower an MachineInstr into an MCInst.
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class LLVM_LIBRARY_VISIBILITY WebAssemblyMCInstLower {
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MCContext &Ctx;
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WebAssemblyAsmPrinter &Printer;
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MCSymbol *GetGlobalAddressSymbol(const MachineOperand &MO) const;
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MCSymbol *GetExternalSymbolSymbol(const MachineOperand &MO) const;
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MCOperand LowerSymbolOperand(MCSymbol *Sym, int64_t Offset,
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bool IsFunc) const;
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public:
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WebAssemblyMCInstLower(MCContext &ctx, WebAssemblyAsmPrinter &printer)
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: Ctx(ctx), Printer(printer) {}
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void Lower(const MachineInstr *MI, MCInst &OutMI) const;
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};
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} // end namespace llvm
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#endif
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