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> { EntryExitInstrumenterPassEntryExitInstrumenterPass26 EntryExitInstrumenterPass(bool PostInlining) : PostInlining(PostInlining) {} 27 28 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 29 30 bool PostInlining; 31 isRequiredEntryExitInstrumenterPass32 static bool isRequired() { return true; } 33 }; 34 35 } // namespace llvm 36 37 #endif // LLVM_TRANSFORMS_UTILS_ENTRYEXITINSTRUMENTER_H 38