| 1 | //===- EntryExitInstrumenter.h - Function Entry/Exit Instrumentation ------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // EntryExitInstrumenter pass - Instrument function entry/exit with calls to |
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| 10 | // mcount(), @__cyg_profile_func_{enter,exit} and the like. There are two |
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| 11 | // variants, intended to run pre- and post-inlining, respectively. |
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| 12 | // |
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| 13 | //===----------------------------------------------------------------------===// |
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| 14 | |
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| 15 | #ifndef LLVM_TRANSFORMS_UTILS_ENTRYEXITINSTRUMENTER_H |
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| 16 | #define LLVM_TRANSFORMS_UTILS_ENTRYEXITINSTRUMENTER_H |
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| 17 | |
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| 18 | #include "llvm/IR/PassManager.h" |
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| 19 | |
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| 20 | namespace llvm { |
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| 21 | |
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| 22 | class Function; |
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| 23 | |
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| 24 | struct EntryExitInstrumenterPass |
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| 25 | : public PassInfoMixin<EntryExitInstrumenterPass> { |
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| 26 | EntryExitInstrumenterPass(bool PostInlining) : PostInlining(PostInlining) {} |
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| 27 | |
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| 28 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
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| 29 | |
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| 30 | void printPipeline(raw_ostream &OS, |
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| 31 | function_ref<StringRef(StringRef)> MapClassName2PassName); |
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| 32 | |
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| 33 | bool PostInlining; |
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| 34 | |
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| 35 | static bool isRequired() { return true; } |
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| 36 | }; |
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| 37 | |
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| 38 | } // namespace llvm |
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| 39 | |
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| 40 | #endif // LLVM_TRANSFORMS_UTILS_ENTRYEXITINSTRUMENTER_H |
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| 41 | |
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