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annotate graal/com.oracle.max.graal.nodes/src/com/oracle/max/graal/nodes/EndNode.java @ 4411:cd2b68ef8e23

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cleanup around filter and predicates : remove duplicate compiler.util.NodeIterators add contains to NodeIterable support isNotA(Class).nor(Class) filtering support filtering on interfaces remove and/or(Class) from FilteredNodeIterable replace with isA(Class).or(Class) lower the cost on extending NodeIterable (remove the until field) NodeList is a NodeIterable Use NodeIterable functions where possible
author Gilles Duboscq <duboscq@ssw.jku.at>
date Mon, 30 Jan 2012 13:06:11 +0100
parents e233f5660da4
children a3882fd1ae61
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.max.graal.nodes;
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24
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25 import java.util.*;
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27 import com.oracle.max.graal.graph.*;
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28 import com.oracle.max.graal.nodes.spi.*;
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29 import com.oracle.max.graal.nodes.type.*;
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30
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31 public final class EndNode extends FixedNode implements Node.IterableNodeType, LIRLowerable {
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32
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33 public EndNode() {
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34 super(StampFactory.illegal());
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35 }
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36
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37 @Override
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38 public void generate(LIRGeneratorTool gen) {
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39 gen.visitEndNode(this);
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40 }
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41
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42 public MergeNode merge() {
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43 return (MergeNode) usages().first();
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44 }
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45
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46 @Override
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47 public boolean verify() {
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48 assertTrue(usages().size() <= 1, "at most one usage");
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49 return super.verify();
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50 }
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52 @Override
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53 public Map<Object, Object> getDebugProperties() {
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54 Map<Object, Object> debugProperties = super.getDebugProperties();
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55 debugProperties.put("shortName", "E");
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56 return debugProperties;
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57 }
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59 @Override
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60 public Iterable< ? extends Node> cfgSuccessors() {
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61 return Arrays.asList(merge());
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62 }
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63 }