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