1 // WebAssemblyMachineFunctionInfo.h-WebAssembly machine function info-*- 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 file declares WebAssembly-specific per-machine-function
12 /// information.
13 ///
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYMACHINEFUNCTIONINFO_H
17 #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYMACHINEFUNCTIONINFO_H
18 
19 #include "WebAssemblyRegisterInfo.h"
20 #include "llvm/CodeGen/MachineFunction.h"
21 #include "llvm/CodeGen/MachineRegisterInfo.h"
22 
23 namespace llvm {
24 
25 /// This class is derived from MachineFunctionInfo and contains private
26 /// WebAssembly-specific information for each MachineFunction.
27 class WebAssemblyFunctionInfo final : public MachineFunctionInfo {
28   MachineFunction &MF;
29 
30   unsigned NumArguments;
31 
32 public:
33   explicit WebAssemblyFunctionInfo(MachineFunction &MF)
34       : MF(MF), NumArguments(0) {}
35   ~WebAssemblyFunctionInfo() override;
36 
37   void setNumArguments(unsigned N) { NumArguments = N; }
38   unsigned getNumArguments() const { return NumArguments; }
39 };
40 
41 } // end namespace llvm
42 
43 #endif
44