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//===-- BPFTargetMachine.h - Define TargetMachine for BPF --- C++ ---===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// This file declares the BPF specific subclass of TargetMachine.
#include "BPFSubtarget.h"
#include "llvm/Target/TargetMachine.h"
#include <optional>
namespace llvm {
class BPFTargetMachine : public LLVMTargetMachine {
std::unique_ptr<TargetLoweringObjectFile> TLOF;
BPFSubtarget Subtarget;
BPFTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
StringRef FS, const TargetOptions &Options,
std::optional<Reloc::Model> RM,
std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
bool JIT);
const BPFSubtarget *getSubtargetImpl() const { return &Subtarget; }
const BPFSubtarget *getSubtargetImpl(const Function &) const override {
return &Subtarget;
TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
TargetLoweringObjectFile *getObjFileLowering() const override {
return TLOF.get();
void registerPassBuilderCallbacks(PassBuilder &PB) override;