WebAssemblyISelLowering.h revision 285181 
1//- WebAssemblyISelLowering.h - WebAssembly DAG Lowering Interface -*- 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 defines the interfaces that WebAssembly uses to lower LLVM
12/// code into a selection DAG.
13///
14//===----------------------------------------------------------------------===//
15
16#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYISELLOWERING_H
17#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYISELLOWERING_H
18
19#include "llvm/Target/TargetLowering.h"
20
21namespace llvm {
22
23namespace WebAssemblyISD {
24
25enum {
26  FIRST_NUMBER = ISD::BUILTIN_OP_END,
27
28  // add memory opcodes starting at ISD::FIRST_TARGET_MEMORY_OPCODE here...
29};
30
31} // end namespace WebAssemblyISD
32
33class WebAssemblySubtarget;
34class WebAssemblyTargetMachine;
35
36class WebAssemblyTargetLowering final : public TargetLowering {
37public:
38  WebAssemblyTargetLowering(const TargetMachine &TM,
39                            const WebAssemblySubtarget &STI);
40
41private:
42  /// Keep a pointer to the WebAssemblySubtarget around so that we can make the
43  /// right decision when generating code for different targets.
44  const WebAssemblySubtarget *Subtarget;
45};
46
47} // end namespace llvm
48
49#endif
50