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annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/SimpleInfopointNode.java @ 17450:45b45f902bed

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removed Node generation (GRAAL-857)
author Doug Simon <doug.simon@oracle.com>
date Wed, 15 Oct 2014 15:35:33 +0200
parents ffb974bef674
children f57d86eb036f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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a2ec1ac769e4 Add simple infopoint nodes which do not contain debugging informations for values. Use them when shouldDebugNonSafepoints is true.
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1 /*
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2 * Copyright (c) 2014, 2014, 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.nodes;
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24
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25 import com.oracle.graal.api.code.*;
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26 import com.oracle.graal.graph.*;
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27 import com.oracle.graal.graph.spi.*;
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28 import com.oracle.graal.nodeinfo.*;
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29 import com.oracle.graal.nodes.spi.*;
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30
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31 @NodeInfo
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32 public class SimpleInfopointNode extends InfopointNode implements LIRLowerable, IterableNodeType, Simplifiable {
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33 protected BytecodePosition position;
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34
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35 public static SimpleInfopointNode create(InfopointReason reason, BytecodePosition position) {
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36 return new SimpleInfopointNode(reason, position);
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37 }
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38
06c15e88d383 added factory method to all Node classes; replaced Node classes instantiation with calls to factory methods; replaced identity tests on Node classes with ' == <node class>.getGenClass()' idiom
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39 protected SimpleInfopointNode(InfopointReason reason, BytecodePosition position) {
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40 super(reason);
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41 this.position = position;
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42 }
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43
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44 @Override
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45 public void generate(NodeLIRBuilderTool generator) {
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46 generator.visitSimpleInfopointNode(this);
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47 }
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48
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49 public BytecodePosition getPosition() {
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50 return position;
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51 }
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52
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53 public void addCaller(BytecodePosition caller) {
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54 this.position = relink(this.position, caller);
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55 }
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57 private static BytecodePosition relink(BytecodePosition position, BytecodePosition link) {
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58 if (position.getCaller() == null) {
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59 return new BytecodePosition(link, position.getMethod(), position.getBCI());
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60 } else {
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61 return new BytecodePosition(relink(position.getCaller(), link), position.getMethod(), position.getBCI());
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62 }
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63 }
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64
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65 @Override
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66 public void simplify(SimplifierTool tool) {
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67 if (next() instanceof SimpleInfopointNode) {
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68 graph().removeFixed(this);
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69 }
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70 }
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71 }