| /* |
| * Copyright (c) 2009, 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.core.common.type.Stamp; |
| import org.graalvm.compiler.graph.IterableNodeType; |
| import org.graalvm.compiler.graph.NodeClass; |
| import org.graalvm.compiler.nodeinfo.NodeInfo; |
| |
| /** |
| * The {@code ControlSplitNode} is a base class for all instructions that split the control flow |
| * (ie. have more than one successor). |
| */ |
| @NodeInfo |
| public abstract class ControlSplitNode extends FixedNode implements IterableNodeType { |
| public static final NodeClass<ControlSplitNode> TYPE = NodeClass.create(ControlSplitNode.class); |
| |
| protected ControlSplitNode(NodeClass<? extends ControlSplitNode> c, Stamp stamp) { |
| super(c, stamp); |
| } |
| |
| public abstract double probability(AbstractBeginNode successor); |
| |
| /** |
| * Primary successor of the control split. Data dependencies on the node have to be scheduled in |
| * the primary successor. |
| * |
| * @return the primary successor |
| */ |
| public abstract AbstractBeginNode getPrimarySuccessor(); |
| } |