llvm/llvm/lib/Target/BPF/GISel/BPFInstructionSelector.cpp

//===- BPFInstructionSelector.cpp --------------------------------*- 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 implements the targeting of the InstructionSelector class for BPF.
//===----------------------------------------------------------------------===//

#include "BPFInstrInfo.h"
#include "BPFRegisterBankInfo.h"
#include "BPFSubtarget.h"
#include "BPFTargetMachine.h"
#include "llvm/CodeGen/GlobalISel/GIMatchTableExecutorImpl.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/IR/IntrinsicsBPF.h"
#include "llvm/Support/Debug.h"

#define DEBUG_TYPE …

usingnamespacellvm;

namespace {

#define GET_GLOBALISEL_PREDICATE_BITSET
#include "BPFGenGlobalISel.inc"
#undef GET_GLOBALISEL_PREDICATE_BITSET

class BPFInstructionSelector : public InstructionSelector { … };

} // namespace

#define GET_GLOBALISEL_IMPL
#include "BPFGenGlobalISel.inc"
#undef GET_GLOBALISEL_IMPL

BPFInstructionSelector::BPFInstructionSelector(const BPFTargetMachine &TM,
                                               const BPFSubtarget &STI,
                                               const BPFRegisterBankInfo &RBI)
    : … { … }

bool BPFInstructionSelector::select(MachineInstr &I) { … }

namespace llvm {
InstructionSelector *
createBPFInstructionSelector(const BPFTargetMachine &TM,
                             const BPFSubtarget &Subtarget,
                             const BPFRegisterBankInfo &RBI) { … }
} // namespace llvm