1//===-- BPFTargetMachine.h - Define TargetMachine for BPF --- 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// This file declares the BPF specific subclass of TargetMachine.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_BPF_BPFTARGETMACHINE_H
14#define LLVM_LIB_TARGET_BPF_BPFTARGETMACHINE_H
15
16#include "BPFSubtarget.h"
17#include "llvm/CodeGen/CodeGenTargetMachineImpl.h"
18#include <optional>
19
20namespace llvm {
21class BPFTargetMachine : public CodeGenTargetMachineImpl {
22 std::unique_ptr<TargetLoweringObjectFile> TLOF;
23 BPFSubtarget Subtarget;
24
25public:
26 BPFTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
27 StringRef FS, const TargetOptions &Options,
28 std::optional<Reloc::Model> RM,
29 std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
30 bool JIT);
31
32 const BPFSubtarget *getSubtargetImpl() const { return &Subtarget; }
33 const BPFSubtarget *getSubtargetImpl(const Function &) const override {
34 return &Subtarget;
35 }
36
37 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
38
39 TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
40
41 TargetLoweringObjectFile *getObjFileLowering() const override {
42 return TLOF.get();
43 }
44
45 void registerPassBuilderCallbacks(PassBuilder &PB) override;
46};
47}
48
49#endif
50