/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package org.graalvm.compiler.nodes;
import org.graalvm.compiler.nodes.spi.NodeWithState;
/**
* A state split is a node that may have a frame state associated with it.
*/
public interface StateSplit extends NodeWithState {
/**
* Gets the {@link FrameState} corresponding to the state of the JVM after execution of this
* node.
*/
FrameState stateAfter();
/**
* Sets the {@link FrameState} corresponding to the state of the JVM after execution of this
* node.
*/
void setStateAfter(FrameState x);
/**
* Determines if this node has a side-effect. Such nodes cannot be safely re-executed because
* they modify state which is visible to other threads or modify state beyond what is captured
* in {@link FrameState} nodes.
*/
boolean hasSideEffect();
}