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1 //===-- BPFTargetMachine.h - Define TargetMachine for BPF --- C++ ---===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file declares the BPF specific subclass of TargetMachine.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_BPF_BPFTARGETMACHINE_H
15 #define LLVM_LIB_TARGET_BPF_BPFTARGETMACHINE_H
16 
17 #include "BPFSubtarget.h"
18 #include "llvm/Target/TargetMachine.h"
19 
20 namespace llvm {
21 class BPFTargetMachine : public LLVMTargetMachine {
22   std::unique_ptr<TargetLoweringObjectFile> TLOF;
23   BPFSubtarget Subtarget;
24 
25 public:
26   BPFTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
27                    StringRef FS, const TargetOptions &Options,
28                    Optional<Reloc::Model> RM, CodeModel::Model CM,
29                    CodeGenOpt::Level OL);
30 
getSubtargetImpl()31   const BPFSubtarget *getSubtargetImpl() const { return &Subtarget; }
getSubtargetImpl(const Function &)32   const BPFSubtarget *getSubtargetImpl(const Function &) const override {
33     return &Subtarget;
34   }
35 
36   TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
37 
getObjFileLowering()38   TargetLoweringObjectFile *getObjFileLowering() const override {
39     return TLOF.get();
40   }
41 };
42 }
43 
44 #endif
45