1 | //===-- BPF.h - Top-level interface for BPF representation ------*- 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 | #ifndef LLVM_LIB_TARGET_BPF_BPF_H |
10 | #define LLVM_LIB_TARGET_BPF_BPF_H |
11 | |
12 | #include "MCTargetDesc/BPFMCTargetDesc.h" |
13 | #include "llvm/IR/Instructions.h" |
14 | #include "llvm/IR/PassManager.h" |
15 | #include "llvm/Pass.h" |
16 | #include "llvm/Target/TargetMachine.h" |
17 | |
18 | namespace llvm { |
19 | class BPFRegisterBankInfo; |
20 | class BPFSubtarget; |
21 | class BPFTargetMachine; |
22 | class InstructionSelector; |
23 | class PassRegistry; |
24 | |
25 | static const char *BPF_TRAP = "__bpf_trap" ; |
26 | |
27 | ModulePass *createBPFCheckAndAdjustIR(); |
28 | |
29 | FunctionPass *createBPFISelDag(BPFTargetMachine &TM); |
30 | FunctionPass *createBPFMISimplifyPatchablePass(); |
31 | FunctionPass *createBPFMIPeepholePass(); |
32 | FunctionPass *createBPFMIPreEmitPeepholePass(); |
33 | FunctionPass *createBPFMIPreEmitCheckingPass(); |
34 | |
35 | InstructionSelector *createBPFInstructionSelector(const BPFTargetMachine &, |
36 | const BPFSubtarget &, |
37 | const BPFRegisterBankInfo &); |
38 | |
39 | void initializeBPFAsmPrinterPass(PassRegistry &); |
40 | void initializeBPFCheckAndAdjustIRPass(PassRegistry&); |
41 | void initializeBPFDAGToDAGISelLegacyPass(PassRegistry &); |
42 | void initializeBPFMIPeepholePass(PassRegistry &); |
43 | void initializeBPFMIPreEmitCheckingPass(PassRegistry &); |
44 | void initializeBPFMIPreEmitPeepholePass(PassRegistry &); |
45 | void initializeBPFMISimplifyPatchablePass(PassRegistry &); |
46 | |
47 | class BPFAbstractMemberAccessPass |
48 | : public PassInfoMixin<BPFAbstractMemberAccessPass> { |
49 | BPFTargetMachine *TM; |
50 | |
51 | public: |
52 | BPFAbstractMemberAccessPass(BPFTargetMachine *TM) : TM(TM) {} |
53 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
54 | |
55 | static bool isRequired() { return true; } |
56 | }; |
57 | |
58 | class BPFPreserveDITypePass : public PassInfoMixin<BPFPreserveDITypePass> { |
59 | public: |
60 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
61 | |
62 | static bool isRequired() { return true; } |
63 | }; |
64 | |
65 | class BPFIRPeepholePass : public PassInfoMixin<BPFIRPeepholePass> { |
66 | public: |
67 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
68 | |
69 | static bool isRequired() { return true; } |
70 | }; |
71 | |
72 | class BPFASpaceCastSimplifyPass |
73 | : public PassInfoMixin<BPFASpaceCastSimplifyPass> { |
74 | public: |
75 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
76 | |
77 | static bool isRequired() { return true; } |
78 | }; |
79 | |
80 | class BPFAdjustOptPass : public PassInfoMixin<BPFAdjustOptPass> { |
81 | public: |
82 | PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
83 | }; |
84 | |
85 | class BPFPreserveStaticOffsetPass |
86 | : public PassInfoMixin<BPFPreserveStaticOffsetPass> { |
87 | bool AllowPartial; |
88 | |
89 | public: |
90 | BPFPreserveStaticOffsetPass(bool AllowPartial) : AllowPartial(AllowPartial) {} |
91 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
92 | |
93 | static bool isRequired() { return true; } |
94 | |
95 | static std::pair<GetElementPtrInst *, LoadInst *> |
96 | reconstructLoad(CallInst *Call); |
97 | |
98 | static std::pair<GetElementPtrInst *, StoreInst *> |
99 | reconstructStore(CallInst *Call); |
100 | }; |
101 | |
102 | } // namespace llvm |
103 | |
104 | #endif |
105 | |