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 "llvm/Support/MemoryBuffer.h" 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 42