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comparison 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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11838:16d0eb40d31c 11839:0e2cceed1caf
1 /*
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.graal.api.meta;
24
25 /**
26 * Specifies the action that should be taken by the runtime in case a certain deoptimization is
27 * triggered.
28 */
29 public enum DeoptimizationAction {
30 /**
31 * Do not invalidate the machine code. This is typically used when deoptimizing at a point where
32 * it's highly likely nothing will change the likelihood of the deoptimization happening again.
33 * For example, a compiled array allocation where the size is negative.
34 */
35 None(false),
36
37 /**
38 * Do not invalidate the machine code, but schedule a recompilation if this deoptimization is
39 * triggered too often.
40 */
41 RecompileIfTooManyDeopts(true),
42
43 /**
44 * Invalidate the machine code and reset the profiling information.
45 */
46 InvalidateReprofile(true),
47
48 /**
49 * Invalidate the machine code and immediately schedule a recompilation. This is typically used
50 * when deoptimizing to resolve an unresolved symbol in which case extra profiling is not
51 * required to determine that the deoptimization will not re-occur.
52 */
53 InvalidateRecompile(true),
54
55 /**
56 * Invalidate the machine code and stop compiling the outermost method of this compilation.
57 */
58 InvalidateStopCompiling(true);
59
60 private final boolean invalidatesCompilation;
61
62 private DeoptimizationAction(boolean invalidatesCompilation) {
63 this.invalidatesCompilation = invalidatesCompilation;
64 }
65
66 public boolean doesInvalidateCompilation() {
67 return invalidatesCompilation;
68 }
69
70 }