LLVM  9.0.0svn
ObjectCache.h
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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 
13 #include <memory>
14 
15 namespace llvm {
16 
17 class Module;
18 
19 /// This is the base ObjectCache type which can be provided to an
20 /// ExecutionEngine for the purpose of avoiding compilation for Modules that
21 /// have already been compiled and an object file is available.
22 class ObjectCache {
23  virtual void anchor();
24 
25 public:
26  ObjectCache() = default;
27 
28  virtual ~ObjectCache() = default;
29 
30  /// notifyObjectCompiled - Provides a pointer to compiled code for Module M.
31  virtual void notifyObjectCompiled(const Module *M, MemoryBufferRef Obj) = 0;
32 
33  /// Returns a pointer to a newly allocated MemoryBuffer that contains the
34  /// object which corresponds with Module M, or 0 if an object is not
35  /// available.
36  virtual std::unique_ptr<MemoryBuffer> getObject(const Module* M) = 0;
37 };
38 
39 } // end namespace llvm
40 
41 #endif // LLVM_EXECUTIONENGINE_OBJECTCACHE_H
This class represents lattice values for constants.
Definition: AllocatorList.h:23
A Module instance is used to store all the information related to an LLVM module. ...
Definition: Module.h:65
virtual std::unique_ptr< MemoryBuffer > getObject(const Module *M)=0
Returns a pointer to a newly allocated MemoryBuffer that contains the object which corresponds with M...
virtual ~ObjectCache()=default
ObjectCache()=default
virtual void notifyObjectCompiled(const Module *M, MemoryBufferRef Obj)=0
notifyObjectCompiled - Provides a pointer to compiled code for Module M.
This is the base ObjectCache type which can be provided to an ExecutionEngine for the purpose of avoi...
Definition: ObjectCache.h:22