LLVM  10.0.0svn
WebAssemblyMCInstLower.h
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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 
22 namespace llvm {
23 class WebAssemblyAsmPrinter;
24 class MCContext;
25 class MCSymbol;
26 class MachineInstr;
27 class MachineOperand;
28 
29 /// This class is used to lower an MachineInstr into an MCInst.
31  MCContext &Ctx;
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> &&,
39 
40 public:
42  : Ctx(ctx), Printer(printer) {}
43  void lower(const MachineInstr *MI, MCInst &OutMI) const;
44 };
45 } // end namespace llvm
46 
47 #endif
This class is used to lower an MachineInstr into an MCInst.
This class represents lattice values for constants.
Definition: AllocatorList.h:23
MCSymbol - Instances of this class represent a symbol name in the MC file, and MCSymbols are created ...
Definition: MCSymbol.h:41
WebAssemblyMCInstLower(MCContext &ctx, WebAssemblyAsmPrinter &printer)
print alias Alias Set Printer
Context object for machine code objects.
Definition: MCContext.h:65
Instances of this class represent a single low-level machine instruction.
Definition: MCInst.h:158
static MCOperand lowerSymbolOperand(const MachineOperand &MO, MCSymbol *Sym, const AsmPrinter &AP)
#define LLVM_LIBRARY_VISIBILITY
LLVM_LIBRARY_VISIBILITY - If a class marked with this attribute is linked into a shared library...
Definition: Compiler.h:124
MachineOperand class - Representation of each machine instruction operand.
This is a &#39;vector&#39; (really, a variable-sized array), optimized for the case when the array is small...
Definition: SmallVector.h:837
Representation of each machine instruction.
Definition: MachineInstr.h:63
IRTranslator LLVM IR MI
Instances of this class represent operands of the MCInst class.
Definition: MCInst.h:34