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 25 namespace llvm { 26 27 class WebAssemblySubtarget; 28 29 class WebAssemblyInstrInfo final : public WebAssemblyGenInstrInfo { 30 const WebAssemblyRegisterInfo RI; 31 32 public: 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 DebugLoc DL, unsigned DestReg, unsigned SrcReg, 42 bool KillSrc) const override; 43 44 bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, 45 MachineBasicBlock *&FBB, 46 SmallVectorImpl<MachineOperand> &Cond, 47 bool AllowModify = false) const override; 48 unsigned RemoveBranch(MachineBasicBlock &MBB) const override; 49 unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, 50 MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond, 51 DebugLoc DL) const override; 52 bool 53 ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override; 54 }; 55 56 } // end namespace llvm 57 58 #endif 59