| /* |
| * 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(); |
| } |
