Andrew Walbran | 16937d0 | 2019-10-22 13:54:20 +0100 | [diff] [blame] | 1 | //===- llvm/Support/BuryPointer.h - Memory Manipulation/Leak ----*- C++ -*-===// |
| 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 | #ifndef LLVM_SUPPORT_BURYPOINTER_H |
| 10 | #define LLVM_SUPPORT_BURYPOINTER_H |
| 11 | |
| 12 | #include <memory> |
| 13 | |
| 14 | namespace llvm { |
| 15 | |
| 16 | // In tools that will exit soon anyway, going through the process of explicitly |
| 17 | // deallocating resources can be unnecessary - better to leak the resources and |
| 18 | // let the OS clean them up when the process ends. Use this function to ensure |
| 19 | // the memory is not misdiagnosed as an unintentional leak by leak detection |
| 20 | // tools (this is achieved by preserving pointers to the object in a globally |
| 21 | // visible array). |
| 22 | void BuryPointer(const void *Ptr); |
| 23 | template <typename T> void BuryPointer(std::unique_ptr<T> Ptr) { |
| 24 | BuryPointer(Ptr.release()); |
| 25 | } |
| 26 | |
| 27 | } // namespace llvm |
| 28 | |
| 29 | #endif |