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annotate graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/PushThroughPiPhase.java @ 21327:b8dcf353b822

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LinearScan: encapsulate intervals.
author Josef Eisl <josef.eisl@jku.at>
date Tue, 12 May 2015 12:03:55 +0200
parents 61d3cb8e1280
children b1530a6cce8c
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1 /*
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2 * Copyright (c) 2013, 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.graal.phases.common;
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24
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25 import com.oracle.graal.debug.*;
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26 import com.oracle.graal.graph.*;
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27 import com.oracle.graal.nodes.*;
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28 import com.oracle.graal.nodes.spi.*;
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29 import com.oracle.graal.phases.*;
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30
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31 public class PushThroughPiPhase extends Phase {
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32
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33 public static final DebugMetric PUSHED_NODES = Debug.metric("NodesPushedThroughPi");
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34
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35 @Override
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36 protected void run(StructuredGraph graph) {
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61d3cb8e1280 Add generic parameter to NodeClass. Change Graph#getNodes(Class) to Graph#getNodes(NodeClass).
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37 for (PiNode pi : graph.getNodes(PiNode.TYPE)) {
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38 for (Node n : pi.usages().snapshot()) {
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39 if (n instanceof PiPushable) {
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40 PiPushable pip = (PiPushable) n;
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41 if (pip.push(pi)) {
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42 PUSHED_NODES.add(1);
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43 }
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44 }
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45 }
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46 }
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47 }
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48 }