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NodePool.hpp
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NodePool.hpp
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/*******************************************************************************
* Copyright (c) 2000, 2021 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at http://eclipse.org/legal/epl-2.0
* or the Apache License, Version 2.0 which accompanies this distribution
* and is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception [1] and GNU General Public
* License, version 2 with the OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#ifndef NODEPOOL_INCL
#define NODEPOOL_INCL
#include "env/TRMemory.hpp"
#include "il/Node.hpp"
#include "il/NodeUtils.hpp"
namespace TR { class SymbolReference; }
namespace TR { class Compilation; }
template <class T> class TR_Array;
namespace TR {
class NodePool
{
public:
TR_ALLOC(TR_Memory::Compilation)
NodePool(TR::Compilation * comp);
TR::Node * allocate();
bool deallocate(TR::Node * node);
bool removeDeadNodes();
void enableNodeGC() { _disableGC = false; }
void disableNodeGC() { _disableGC = true; }
ncount_t getLastGlobalIndex() { return _globalIndex; }
ncount_t getMaxIndex() { return _globalIndex; }
TR::Compilation * comp() { return _comp; }
void cleanUp();
private:
TR::Compilation * _comp;
bool _disableGC;
ncount_t _globalIndex;
TR::Region _nodeRegion;
};
}
#endif