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39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
//===- Caching.h - LLVM Link Time Optimizer Configuration -----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the localCache function, which allows clients to add a
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// filesystem cache to ThinLTO.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LTO_CACHING_H
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#define LLVM_LTO_CACHING_H
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#include "llvm/LTO/LTO.h"
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namespace llvm {
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namespace lto {
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/// This type defines the callback to add a pre-existing native object file
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/// (e.g. in a cache).
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///
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/// Buffer callbacks must be thread safe.
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using AddBufferFn =
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std::function<void(unsigned Task, std::unique_ptr<MemoryBuffer> MB)>;
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/// Create a local file system cache which uses the given cache directory and
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/// file callback. This function also creates the cache directory if it does not
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/// already exist.
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Expected<NativeObjectCache> localCache(StringRef CacheDirectoryPath,
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AddBufferFn AddBuffer);
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} // namespace lto
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} // namespace llvm
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#endif
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