Mercurial > hg > truffle
annotate graal/com.oracle.graal.phases/src/com/oracle/graal/phases/PhasePlan.java @ 10618:72d0ea03635b
Delegate GC counter from HotSpot to Graal for tracing purposes
author | Christos Kotselidis <christos.kotselidis@oracle.com> |
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date | Sun, 07 Jul 2013 17:09:19 +0200 |
parents | b8b4d7f3e4aa |
children | acc261dc165e |
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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.graal.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.nodes.*; |
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28 |
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29 /** |
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30 * Tells the compiler about additional phases that need to be executed during compilation. |
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31 */ |
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32 public class PhasePlan { |
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33 |
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34 // @formatter:off |
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35 /** |
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36 * The compilation is split into the following sections: |
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37 * ======================================================================== |
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38 * Period 1: High-level nodes. (Graph building) |
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39 * ======================================================================== |
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40 * Runtime-specific lowering. |
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41 * ======================================================================== |
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42 * Period 2: Mid-level nodes. (Memory dependence graph) |
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43 * ======================================================================== |
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44 * Target-specific lowering, de-SSA. |
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45 * ======================================================================== |
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46 * Period 3: Low-level nodes. (Register allocation, code generation) |
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47 * ======================================================================== |
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48 * |
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49 * A compiler extension phase can chose to run at the end of periods 1-3. |
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50 */ |
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51 public static enum PhasePosition { |
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52 AFTER_PARSING, |
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53 HIGH_LEVEL |
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54 } |
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55 // @formatter:on |
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56 |
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57 @SuppressWarnings("unchecked") private final ArrayList<Phase>[] phases = new ArrayList[PhasePosition.values().length]; |
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58 private final Set<Class<? extends Phase>> disabledPhases = new HashSet<>(); |
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59 |
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60 public void addPhase(PhasePosition pos, Phase phase) { |
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61 if (phases[pos.ordinal()] == null) { |
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62 phases[pos.ordinal()] = new ArrayList<>(); |
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63 } |
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64 phases[pos.ordinal()].add(phase); |
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65 } |
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66 |
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67 public void runPhases(PhasePosition pos, StructuredGraph graph) { |
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68 if (phases[pos.ordinal()] != null) { |
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69 for (Phase p : phases[pos.ordinal()]) { |
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70 p.apply(graph); |
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71 } |
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72 } |
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73 } |
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74 |
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75 public void disablePhase(Class<? extends Phase> clazz) { |
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76 disabledPhases.add(clazz); |
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77 } |
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78 |
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79 public boolean isPhaseDisabled(Class<? extends Phase> clazz) { |
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80 return disabledPhases.contains(clazz); |
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81 } |
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82 } |