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annotate graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/DeoptimizationAction.java @ 11839:0e2cceed1caf

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Temporarily move encodeDeoptActionAndReason to MetaAccessProvider Add AbstractDeoptimizeNode.getActionAndReason
author Gilles Duboscq <duboscq@ssw.jku.at>
date Mon, 30 Sep 2013 16:09:40 +0200
parents graal/com.oracle.graal.api.code/src/com/oracle/graal/api/code/DeoptimizationAction.java@5a4fbe932ab3
children
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1 /*
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2 * Copyright (c) 2012, 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.api.meta;
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24
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25 /**
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26 * Specifies the action that should be taken by the runtime in case a certain deoptimization is
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27 * triggered.
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28 */
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29 public enum DeoptimizationAction {
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30 /**
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31 * Do not invalidate the machine code. This is typically used when deoptimizing at a point where
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32 * it's highly likely nothing will change the likelihood of the deoptimization happening again.
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33 * For example, a compiled array allocation where the size is negative.
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34 */
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35 None(false),
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36
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37 /**
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38 * Do not invalidate the machine code, but schedule a recompilation if this deoptimization is
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39 * triggered too often.
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40 */
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41 RecompileIfTooManyDeopts(true),
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42
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43 /**
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44 * Invalidate the machine code and reset the profiling information.
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45 */
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46 InvalidateReprofile(true),
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48 /**
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49 * Invalidate the machine code and immediately schedule a recompilation. This is typically used
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50 * when deoptimizing to resolve an unresolved symbol in which case extra profiling is not
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51 * required to determine that the deoptimization will not re-occur.
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52 */
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53 InvalidateRecompile(true),
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55 /**
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56 * Invalidate the machine code and stop compiling the outermost method of this compilation.
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57 */
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58 InvalidateStopCompiling(true);
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59
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60 private final boolean invalidatesCompilation;
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61
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62 private DeoptimizationAction(boolean invalidatesCompilation) {
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63 this.invalidatesCompilation = invalidatesCompilation;
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64 }
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65
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66 public boolean doesInvalidateCompilation() {
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67 return invalidatesCompilation;
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68 }
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69
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70 }