LLVM  9.0.0svn
BPFTargetMachine.h
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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"
18 
19 namespace llvm {
21  std::unique_ptr<TargetLoweringObjectFile> TLOF;
22  BPFSubtarget Subtarget;
23 
24 public:
25  BPFTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
26  StringRef FS, const TargetOptions &Options,
28  CodeGenOpt::Level OL, bool JIT);
29 
30  const BPFSubtarget *getSubtargetImpl() const { return &Subtarget; }
31  const BPFSubtarget *getSubtargetImpl(const Function &) const override {
32  return &Subtarget;
33  }
34 
36 
38  return TLOF.get();
39  }
40 };
41 }
42 
43 #endif
This class represents lattice values for constants.
Definition: AllocatorList.h:23
const BPFSubtarget * getSubtargetImpl() const
TargetLoweringObjectFile * getObjFileLowering() const override
Target-Independent Code Generator Pass Configuration Options.
TargetPassConfig * createPassConfig(PassManagerBase &PM) override
Create a pass configuration object to be used by addPassToEmitX methods for generating a pipeline of ...
const BPFSubtarget * getSubtargetImpl(const Function &) const override
Virtual method implemented by subclasses that returns a reference to that target&#39;s TargetSubtargetInf...
This class describes a target machine that is implemented with the LLVM target-independent code gener...
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:43
PassManagerBase - An abstract interface to allow code to add passes to a pass manager without having ...
BPFTargetMachine(const Target &T, const Triple &TT, StringRef CPU, StringRef FS, const TargetOptions &Options, Optional< Reloc::Model > RM, Optional< CodeModel::Model > CM, CodeGenOpt::Level OL, bool JIT)
Target - Wrapper for Target specific information.
TargetOptions Options
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:48