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annotate graal/com.oracle.graal.lir/src/com/oracle/graal/lir/phases/LowLevelPhaseSuite.java @ 19226:9c47b23fb0a2

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LowLevelPhase: add support for custom name.
author Josef Eisl <josef.eisl@jku.at>
date Mon, 09 Feb 2015 15:10:13 +0100
parents 1487207db440
children 6340d851894b
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1 /*
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2 * Copyright (c) 2015, 2015, 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.lir.phases;
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24
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25 import java.util.*;
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26
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27 import com.oracle.graal.api.code.*;
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28 import com.oracle.graal.compiler.common.cfg.*;
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29 import com.oracle.graal.lir.gen.*;
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30
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31 public class LowLevelPhaseSuite<C, B extends AbstractBlock<B>> extends LowLevelPhase<C, B> {
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32 private final List<LowLevelPhase<C, B>> phases;
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33
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34 public LowLevelPhaseSuite(Class<C> contextClass) {
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35 super(getNameFromContext(contextClass));
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36 phases = new ArrayList<>();
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37 }
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38
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39 private static <C> String getNameFromContext(Class<C> contextClass) {
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40 String className = contextClass.getName();
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41 String s0 = className.substring(className.lastIndexOf(".") + 1); // strip the package name
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42 String s = s0.substring(s0.lastIndexOf("$") + 1); // strip the enclosing class name
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43 if (s.endsWith("Context")) {
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44 s = s.substring(0, s.length() - "Context".length());
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45 }
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46 return s;
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47 }
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48
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49 /**
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50 * Add a new phase at the beginning of this suite.
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51 */
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52 public final void prependPhase(LowLevelPhase<C, B> phase) {
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53 phases.add(0, phase);
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54 }
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55
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56 /**
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57 * Add a new phase at the end of this suite.
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58 */
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59 public final void appendPhase(LowLevelPhase<C, B> phase) {
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60 phases.add(phase);
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61 }
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62
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63 public final ListIterator<LowLevelPhase<C, B>> findPhase(Class<? extends LowLevelPhase<C, B>> phaseClass) {
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64 ListIterator<LowLevelPhase<C, B>> it = phases.listIterator();
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65 if (findNextPhase(it, phaseClass)) {
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66 return it;
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67 } else {
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68 return null;
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69 }
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70 }
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71
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72 public static <C, B extends AbstractBlock<B>> boolean findNextPhase(ListIterator<LowLevelPhase<C, B>> it, Class<? extends LowLevelPhase<C, B>> phaseClass) {
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73 while (it.hasNext()) {
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74 LowLevelPhase<C, B> phase = it.next();
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75 if (phaseClass.isInstance(phase)) {
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76 return true;
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77 }
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78 }
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79 return false;
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80 }
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81
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82 @Override
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83 protected void run(TargetDescription target, LIRGenerationResult lirGenRes, List<B> codeEmittingOrder, List<B> linearScanOrder, C context) {
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84 for (LowLevelPhase<C, B> phase : phases) {
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85 phase.apply(target, lirGenRes, codeEmittingOrder, linearScanOrder, context);
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86 }
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87 }
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88
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89 }