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/MC/MCInstPrinter.h"
19 #include "llvm/CodeGen/MachineValueType.h"
20 
21 namespace llvm {
22 
23 class MCSubtargetInfo;
24 
25 class WebAssemblyInstPrinter final : public MCInstPrinter {
26   uint64_t ControlFlowCounter;
27   SmallVector<std::pair<uint64_t, bool>, 0> ControlFlowStack;
28 
29 public:
30   WebAssemblyInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
31                          const MCRegisterInfo &MRI);
32 
33   void printRegName(raw_ostream &OS, unsigned RegNo) const override;
34   void printInst(const MCInst *MI, raw_ostream &OS, StringRef Annot,
35                  const MCSubtargetInfo &STI) override;
36 
37   // Used by tblegen code.
38   void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
39 
40   // Autogenerated by tblgen.
41   void printInstruction(const MCInst *MI, raw_ostream &O);
42   static const char *getRegisterName(unsigned RegNo);
43 };
44 
45 namespace WebAssembly {
46 
47 const char *TypeToString(MVT Ty);
48 
49 } // end namespace WebAssembly
50 
51 } // end namespace llvm
52 
53 #endif
54