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