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//=- WebAssemblyInstrInfo.h - WebAssembly Instruction Information -*- C++ -*-=//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file contains the WebAssembly implementation of the
/// TargetInstrInfo class.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYINSTRINFO_H
#define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYINSTRINFO_H
#include "WebAssemblyRegisterInfo.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#define GET_INSTRINFO_HEADER
#include "WebAssemblyGenInstrInfo.inc"
#define GET_INSTRINFO_OPERAND_ENUM
#include "WebAssemblyGenInstrInfo.inc"
namespace llvm {
namespace WebAssembly {
int16_t getNamedOperandIdx(uint16_t Opcode, uint16_t NamedIndex);
}
class WebAssemblySubtarget;
class WebAssemblyInstrInfo final : public WebAssemblyGenInstrInfo {
const WebAssemblyRegisterInfo RI;
public:
explicit WebAssemblyInstrInfo(const WebAssemblySubtarget &STI);
const WebAssemblyRegisterInfo &getRegisterInfo() const { return RI; }
bool isReallyTriviallyReMaterializable(const MachineInstr &MI) const override;
void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg,
bool KillSrc) const override;
MachineInstr *commuteInstructionImpl(MachineInstr &MI, bool NewMI,
unsigned OpIdx1,
unsigned OpIdx2) const override;
bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
MachineBasicBlock *&FBB,
SmallVectorImpl<MachineOperand> &Cond,
bool AllowModify = false) const override;
unsigned removeBranch(MachineBasicBlock &MBB,
int *BytesRemoved = nullptr) const override;
unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
const DebugLoc &DL,
int *BytesAdded = nullptr) const override;
bool
reverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override;
ArrayRef<std::pair<int, const char *>>
getSerializableTargetIndices() const override;
const MachineOperand &getCalleeOperand(const MachineInstr &MI) const override;
bool isExplicitTargetIndexDef(const MachineInstr &MI, int &Index,
int64_t &Offset) const override;
};
} // end namespace llvm
#endif
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