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 | |