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NodeUnions.hpp
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NodeUnions.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 NODEUNIONS_INCL
#define NODEUNIONS_INCL
#include <stddef.h>
#include "il/NodeUtils.hpp"
/*
* This file defines the unions picked up by TR::Node
*/
struct UnionedWithChildren
{
/*
* To avoid bloating TR_Node, this struct should declare no
* members outside the below union.
*
* Be very careful when adding members as well.
* It must be ensured that whatever added is exclusive of not only
* the members in this union, but also the members of the
* TR::Node child union
*/
union
{
GlobalRegisterInfo _globalRegisterInfo;
// Offset to WCode literal pool for constants > 8 bytes
size_t _offset;
ChildUnionMembers::RelocationInfo _relocationInfo;
ChildUnionMembers::CaseInfo _caseInfo;
ChildUnionMembers::MonitorInfo _monitorInfo;
};
};
#endif