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  1. //===- EntryExitInstrumenter.h - Function Entry/Exit Instrumentation ------===//
  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. // EntryExitInstrumenter pass - Instrument function entry/exit with calls to
  10. // mcount(), @__cyg_profile_func_{enter,exit} and the like. There are two
  11. // variants, intended to run pre- and post-inlining, respectively.
  12. //
  13. //===----------------------------------------------------------------------===//
  14.  
  15. #ifndef LLVM_TRANSFORMS_UTILS_ENTRYEXITINSTRUMENTER_H
  16. #define LLVM_TRANSFORMS_UTILS_ENTRYEXITINSTRUMENTER_H
  17.  
  18. #include "llvm/IR/PassManager.h"
  19.  
  20. namespace llvm {
  21.  
  22. class Function;
  23.  
  24. struct EntryExitInstrumenterPass
  25.     : public PassInfoMixin<EntryExitInstrumenterPass> {
  26.   EntryExitInstrumenterPass(bool PostInlining) : PostInlining(PostInlining) {}
  27.  
  28.   PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
  29.  
  30.   void printPipeline(raw_ostream &OS,
  31.                      function_ref<StringRef(StringRef)> MapClassName2PassName);
  32.  
  33.   bool PostInlining;
  34.  
  35.   static bool isRequired() { return true; }
  36. };
  37.  
  38. } // namespace llvm
  39.  
  40. #endif // LLVM_TRANSFORMS_UTILS_ENTRYEXITINSTRUMENTER_H
  41.