LLVM  4.0.0
WebAssemblyInstPrinter.h
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1 // WebAssemblyInstPrinter.h - Print wasm MCInst to assembly syntax -*- 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 class prints an WebAssembly MCInst to wasm file syntax.
12 ///
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_INSTPRINTER_WEBASSEMBLYINSTPRINTER_H
16 #define LLVM_LIB_TARGET_WEBASSEMBLY_INSTPRINTER_WEBASSEMBLYINSTPRINTER_H
17 
18 #include "llvm/ADT/SmallVector.h"
20 #include "llvm/MC/MCInstPrinter.h"
21 
22 namespace llvm {
23 
24 class MCSubtargetInfo;
25 
26 class WebAssemblyInstPrinter final : public MCInstPrinter {
27  uint64_t ControlFlowCounter;
28  SmallVector<std::pair<uint64_t, bool>, 0> ControlFlowStack;
29 
30 public:
32  const MCRegisterInfo &MRI);
33 
34  void printRegName(raw_ostream &OS, unsigned RegNo) const override;
35  void printInst(const MCInst *MI, raw_ostream &OS, StringRef Annot,
36  const MCSubtargetInfo &STI) override;
37 
38  // Used by tblegen code.
39  void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
40  void printWebAssemblyP2AlignOperand(const MCInst *MI, unsigned OpNo,
41  raw_ostream &O);
42  void printWebAssemblySignatureOperand(const MCInst *MI, unsigned OpNo,
43  raw_ostream &O);
44 
45  // Autogenerated by tblgen.
46  void printInstruction(const MCInst *MI, raw_ostream &O);
47  static const char *getRegisterName(unsigned RegNo);
48 };
49 
50 namespace WebAssembly {
51 
52 const char *TypeToString(MVT Ty);
53 
54 } // end namespace WebAssembly
55 
56 } // end namespace llvm
57 
58 #endif
void printWebAssemblySignatureOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
const char * TypeToString(MVT Ty)
void printWebAssemblyP2AlignOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O)
void printRegName(raw_ostream &OS, unsigned RegNo) const override
Print the assembler register name.
WebAssemblyInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII, const MCRegisterInfo &MRI)
Instances of this class represent a single low-level machine instruction.
Definition: MCInst.h:150
MCRegisterInfo base class - We assume that the target defines a static array of MCRegisterDesc object...
This class is intended to be used as a base class for asm properties and features specific to the tar...
Definition: MCAsmInfo.h:57
MVT - Machine Value Type.
Interface to description of machine instruction set.
Definition: MCInstrInfo.h:24
void printInst(const MCInst *MI, raw_ostream &OS, StringRef Annot, const MCSubtargetInfo &STI) override
Print the specified MCInst to the specified raw_ostream.
This is a 'vector' (really, a variable-sized array), optimized for the case when the array is small...
Definition: SmallVector.h:843
const MCAsmInfo & MAI
Definition: MCInstPrinter.h:47
This is an instance of a target assembly language printer that converts an MCInst to valid target ass...
Definition: MCInstPrinter.h:41
MCSubtargetInfo - Generic base class for all target subtargets.
const MCInstrInfo & MII
Definition: MCInstPrinter.h:48
void printInstruction(const MCInst *MI, raw_ostream &O)
This class implements an extremely fast bulk output stream that can only output to a stream...
Definition: raw_ostream.h:44
static const char * getRegisterName(unsigned RegNo)
IRTranslator LLVM IR MI
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:47
const MCRegisterInfo & MRI
Definition: MCInstPrinter.h:49