WebAssemblyInstrInfo.h revision 353358
1//=- WebAssemblyInstrInfo.h - WebAssembly Instruction Information -*- C++ -*-=// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8/// 9/// \file 10/// This file contains the WebAssembly implementation of the 11/// TargetInstrInfo class. 12/// 13//===----------------------------------------------------------------------===// 14 15#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYINSTRINFO_H 16#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYINSTRINFO_H 17 18#include "WebAssemblyRegisterInfo.h" 19#include "llvm/CodeGen/TargetInstrInfo.h" 20 21#define GET_INSTRINFO_HEADER 22#include "WebAssemblyGenInstrInfo.inc" 23 24#define GET_INSTRINFO_OPERAND_ENUM 25#include "WebAssemblyGenInstrInfo.inc" 26 27namespace llvm { 28 29namespace WebAssembly { 30 31int16_t getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIndex); 32 33} 34 35class WebAssemblySubtarget; 36 37class WebAssemblyInstrInfo final : public WebAssemblyGenInstrInfo { 38 const WebAssemblyRegisterInfo RI; 39 40public: 41 explicit WebAssemblyInstrInfo(const WebAssemblySubtarget &STI); 42 43 const WebAssemblyRegisterInfo &getRegisterInfo() const { return RI; } 44 45 bool isReallyTriviallyReMaterializable(const MachineInstr &MI, 46 AliasAnalysis *AA) const override; 47 48 void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, 49 const DebugLoc &DL, unsigned DestReg, unsigned SrcReg, 50 bool KillSrc) const override; 51 MachineInstr *commuteInstructionImpl(MachineInstr &MI, bool NewMI, 52 unsigned OpIdx1, 53 unsigned OpIdx2) const override; 54 55 bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, 56 MachineBasicBlock *&FBB, 57 SmallVectorImpl<MachineOperand> &Cond, 58 bool AllowModify = false) const override; 59 unsigned removeBranch(MachineBasicBlock &MBB, 60 int *BytesRemoved = nullptr) const override; 61 unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, 62 MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond, 63 const DebugLoc &DL, 64 int *BytesAdded = nullptr) const override; 65 bool 66 reverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override; 67}; 68 69} // end namespace llvm 70 71#endif 72