1 | //===- LowerGlobalDtors.h - Lower @llvm.global_dtors ----------------------===// |
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 | // This pass lowers @llvm.global_dtors by creating wrapper functions that are |
10 | // registered in @llvm.global_ctors and which contain a call to `__cxa_atexit` |
11 | // to register their destructor functions. |
12 | // |
13 | //===----------------------------------------------------------------------===// |
14 | #ifndef LLVM_TRANSFORMS_UTILS_LOWERGLOBALDTORS_H |
15 | #define LLVM_TRANSFORMS_UTILS_LOWERGLOBALDTORS_H |
16 | |
17 | #include "llvm/IR/PassManager.h" |
18 | |
19 | namespace llvm { |
20 | |
21 | class LowerGlobalDtorsPass : public PassInfoMixin<LowerGlobalDtorsPass> { |
22 | public: |
23 | PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM); |
24 | }; |
25 | |
26 | } // namespace llvm |
27 | |
28 | #endif // LLVM_TRANSFORMS_UTILS_LOWERGLOBALDTORS_H |
29 | |