| 1 | //===- Memory.cpp ---------------------------------------------------------===// |
|---|---|
| 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 | #include "lld/Common/Memory.h" |
| 10 | #include "lld/Common/CommonLinkerContext.h" |
| 11 | |
| 12 | using namespace llvm; |
| 13 | using namespace lld; |
| 14 | |
| 15 | SpecificAllocBase * |
| 16 | lld::SpecificAllocBase::getOrCreate(void *tag, size_t size, size_t align, |
| 17 | SpecificAllocBase *(&creator)(void *)) { |
| 18 | auto &instances = context().instances; |
| 19 | auto &instance = instances[tag]; |
| 20 | if (instance == nullptr) { |
| 21 | void *storage = context().bAlloc.Allocate(Size: size, Alignment: align); |
| 22 | instance = creator(storage); |
| 23 | } |
| 24 | return instance; |
| 25 | } |
| 26 |