ObjectCacheChain.hpp

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//===-- ObjectCacheChain.hpp -- Object cache chain header --===//
//
// Part of the Proteus Project, under the Apache License v2.0 with LLVM
// Exceptions. See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
 
#ifndef PROTEUS_OBJECTCACHECHAIN_HPP
#define PROTEUS_OBJECTCACHECHAIN_HPP
 
#include <cstdint>
#include <memory>
#include <string>
#include <vector>
 
#include <llvm/ADT/SmallString.h>
#include <llvm/Support/MemoryBufferRef.h>
 
#include "proteus/Caching/ObjectCache.hpp"
#include "proteus/CompiledLibrary.hpp"
#include "proteus/Hashing.hpp"
 
namespace proteus {
 
using namespace llvm;
 
class ObjectCacheChain {
public:
  explicit ObjectCacheChain(const std::string &Label);
 
  std::unique_ptr<CompiledLibrary> lookup(const HashT &HashValue);
  void store(const HashT &HashValue, const CacheEntry &Entry);
  void printStats();
 
private:
  void addCache(std::unique_ptr<ObjectCache> Cache);
  void buildFromConfig(const std::string &ConfigStr);
  std::unique_ptr<ObjectCache> createCache(const std::string &Name);
  void promoteToLevel(const HashT &HashValue, const CacheEntry &Entry,
                      size_t Level);
 
  std::vector<std::unique_ptr<ObjectCache>> Caches;
  const std::string Label;
  const std::string DistributedRank;
};
 
} // namespace proteus
 
#endif