1//===-- ObjectCache.h - Class definition for the ObjectCache ----*- 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_EXECUTIONENGINE_OBJECTCACHE_H
10#define LLVM_EXECUTIONENGINE_OBJECTCACHE_H
11
12#include <memory>
13
14namespace llvm {
15
16class MemoryBuffer;
17class MemoryBufferRef;
18class Module;
19
20/// This is the base ObjectCache type which can be provided to an
21/// ExecutionEngine for the purpose of avoiding compilation for Modules that
22/// have already been compiled and an object file is available.
23class ObjectCache {
24 virtual void anchor();
25
26public:
27 ObjectCache() = default;
28
29 virtual ~ObjectCache() = default;
30
31 /// notifyObjectCompiled - Provides a pointer to compiled code for Module M.
32 virtual void notifyObjectCompiled(const Module *M, MemoryBufferRef Obj) = 0;
33
34 /// Returns a pointer to a newly allocated MemoryBuffer that contains the
35 /// object which corresponds with Module M, or 0 if an object is not
36 /// available.
37 virtual std::unique_ptr<MemoryBuffer> getObject(const Module* M) = 0;
38};
39
40} // end namespace llvm
41
42#endif // LLVM_EXECUTIONENGINE_OBJECTCACHE_H
43