WebAssemblyInstrInfo.h revision 309124 
1//=- WebAssemblyInstrInfo.h - WebAssembly Instruction Information -*- 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 contains the WebAssembly implementation of the
12/// TargetInstrInfo class.
13///
14//===----------------------------------------------------------------------===//
15
16#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYINSTRINFO_H
17#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYINSTRINFO_H
18
19#include "WebAssemblyRegisterInfo.h"
20#include "llvm/Target/TargetInstrInfo.h"
21
22#define GET_INSTRINFO_HEADER
23#include "WebAssemblyGenInstrInfo.inc"
24
25namespace llvm {
26
27class WebAssemblySubtarget;
28
29class WebAssemblyInstrInfo final : public WebAssemblyGenInstrInfo {
30  const WebAssemblyRegisterInfo RI;
31
32public:
33  explicit WebAssemblyInstrInfo(const WebAssemblySubtarget &STI);
34
35  const WebAssemblyRegisterInfo &getRegisterInfo() const { return RI; }
36
37  bool isReallyTriviallyReMaterializable(const MachineInstr &MI,
38                                         AliasAnalysis *AA) const override;
39
40  void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
41                   const DebugLoc &DL, unsigned DestReg, unsigned SrcReg,
42                   bool KillSrc) const override;
43  MachineInstr *commuteInstructionImpl(MachineInstr &MI, bool NewMI,
44                                       unsigned OpIdx1,
45                                       unsigned OpIdx2) const override;
46
47  bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
48                     MachineBasicBlock *&FBB,
49                     SmallVectorImpl<MachineOperand> &Cond,
50                     bool AllowModify = false) const override;
51  unsigned RemoveBranch(MachineBasicBlock &MBB) const override;
52  unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
53                        MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
54                        const DebugLoc &DL) const override;
55  bool
56  ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override;
57};
58
59} // end namespace llvm
60
61#endif
62