66 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
// WebAssemblyInstPrinter.h - Print wasm MCInst to assembly syntax -*- C++ -*-//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This class prints an WebAssembly MCInst to wasm file syntax.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_INSTPRINTER_WEBASSEMBLYINSTPRINTER_H
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#define LLVM_LIB_TARGET_WEBASSEMBLY_INSTPRINTER_WEBASSEMBLYINSTPRINTER_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/BinaryFormat/Wasm.h"
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#include "llvm/MC/MCInstPrinter.h"
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#include "llvm/Support/MachineValueType.h"
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namespace llvm {
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class MCSubtargetInfo;
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class WebAssemblyInstPrinter final : public MCInstPrinter {
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  uint64_t ControlFlowCounter = 0;
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  uint64_t EHPadStackCounter = 0;
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  SmallVector<std::pair<uint64_t, bool>, 4> ControlFlowStack;
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  SmallVector<uint64_t, 4> EHPadStack;
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  enum EHInstKind { TRY, CATCH, END_TRY };
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  EHInstKind LastSeenEHInst = END_TRY;
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public:
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  WebAssemblyInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
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                         const MCRegisterInfo &MRI);
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  void printRegName(raw_ostream &OS, unsigned RegNo) const override;
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  void printInst(const MCInst *MI, raw_ostream &OS, StringRef Annot,
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                 const MCSubtargetInfo &STI) override;
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  // Used by tblegen code.
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  void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
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  void printBrList(const MCInst *MI, unsigned OpNo, raw_ostream &O);
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  void printWebAssemblyP2AlignOperand(const MCInst *MI, unsigned OpNo,
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                                      raw_ostream &O);
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  void printWebAssemblySignatureOperand(const MCInst *MI, unsigned OpNo,
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                                        raw_ostream &O);
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  // Autogenerated by tblgen.
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  void printInstruction(const MCInst *MI, raw_ostream &O);
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  static const char *getRegisterName(unsigned RegNo);
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};
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namespace WebAssembly {
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const char *typeToString(wasm::ValType Ty);
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const char *anyTypeToString(unsigned Ty);
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} // end namespace WebAssembly
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} // end namespace llvm
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#endif
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