1 //===- Caching.h - LLVM Link Time Optimizer Configuration -----------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the localCache function, which allows clients to add a
11 // filesystem cache to ThinLTO.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_LTO_CACHING_H
16 #define LLVM_LTO_CACHING_H
18 #include "llvm/LTO/LTO.h"
24 /// This type defines the callback to add a pre-existing native object file
25 /// (e.g. in a cache).
27 /// Buffer callbacks must be thread safe.
28 typedef std::function<void(unsigned Task, std::unique_ptr<MemoryBuffer> MB)>
31 /// Create a local file system cache which uses the given cache directory and
32 /// file callback. This function also creates the cache directory if it does not
34 Expected<NativeObjectCache> localCache(StringRef CacheDirectoryPath,
35 AddBufferFn AddBuffer);