LLVM  12.0.0git
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 
12 #include <memory>
13 
14 namespace llvm {
15 
16 class MemoryBuffer;
17 class MemoryBufferRef;
18 class 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.
23 class ObjectCache {
24  virtual void anchor();
25 
26 public:
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
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:67
Machine Debugify Module
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:23