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/ADT/ArrayRef.h" 20#include "llvm/CodeGen/TargetInstrInfo.h" 21 22#define GET_INSTRINFO_HEADER 23#include "WebAssemblyGenInstrInfo.inc" 24 25#define GET_INSTRINFO_OPERAND_ENUM 26#include "WebAssemblyGenInstrInfo.inc" 27 28namespace llvm { 29 30namespace WebAssembly { 31 32int16_t getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIndex); 33 34} 35 36class WebAssemblySubtarget; 37 38class WebAssemblyInstrInfo final : public WebAssemblyGenInstrInfo { 39 const WebAssemblyRegisterInfo RI; 40 41public: 42 explicit WebAssemblyInstrInfo(const WebAssemblySubtarget &STI); 43 44 const WebAssemblyRegisterInfo &getRegisterInfo() const { return RI; } 45 46 bool isReallyTriviallyReMaterializable(const MachineInstr &MI, 47 AAResults *AA) const override; 48 49 void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, 50 const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg, 51 bool KillSrc) const override; 52 MachineInstr *commuteInstructionImpl(MachineInstr &MI, bool NewMI, 53 unsigned OpIdx1, 54 unsigned OpIdx2) const override; 55 56 bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, 57 MachineBasicBlock *&FBB, 58 SmallVectorImpl<MachineOperand> &Cond, 59 bool AllowModify = false) const override; 60 unsigned removeBranch(MachineBasicBlock &MBB, 61 int *BytesRemoved = nullptr) const override; 62 unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, 63 MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond, 64 const DebugLoc &DL, 65 int *BytesAdded = nullptr) const override; 66 bool 67 reverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override; 68 69 ArrayRef<std::pair<int, const char *>> 70 getSerializableTargetIndices() const override; 71}; 72 73} // end namespace llvm 74 75#endif 76