You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

73 lines
1.5 KiB

#include "Cache.h"
#include <unordered_map>
#include <cassert>
#include <iostream>
#include <llvm/IR/Module.h>
namespace dev
{
namespace eth
{
namespace jit
{
namespace
{
using CacheMap = std::unordered_map<Cache::Key, ExecBundle>;
CacheMap& getCacheMap()
{
static CacheMap map;
return map;
}
}
//#define LOG(...) std::cerr << "CACHE "
#define LOG(...) std::ostream(nullptr)
ExecBundle& Cache::registerExec(Cache::Key _key, ExecBundle&& _exec)
{
auto& map = getCacheMap();
auto r = map.insert(std::make_pair(_key, std::move(_exec)));
assert(r.second && "Updating cached objects not supported");
LOG() << "add\n";
return r.first->second; // return exec, now owned by cache
}
ExecBundle* Cache::findExec(Cache::Key _key)
{
auto& map = getCacheMap();
auto it = map.find(_key);
if (it != map.end())
{
LOG() << "hit\n";
return &it->second;
}
LOG() << "miss\n";
return nullptr;
}
ObjectCache* Cache::getObjectCache()
{
static ObjectCache objectCache;
return &objectCache;
}
void ObjectCache::notifyObjectCompiled(llvm::Module const* _module, llvm::MemoryBuffer const* _object)
{
auto&& key = _module->getModuleIdentifier();
std::unique_ptr<llvm::MemoryBuffer> obj(llvm::MemoryBuffer::getMemBufferCopy(_object->getBuffer()));
m_map.insert(std::make_pair(key, std::move(obj)));
}
llvm::MemoryBuffer* ObjectCache::getObject(llvm::Module const* _module)
{
auto it = m_map.find(_module->getModuleIdentifier());
if (it != m_map.end())
return llvm::MemoryBuffer::getMemBufferCopy(it->second->getBuffer());
return nullptr;
}
}
}
}