Mercurial > hg > truffle
comparison graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/DefaultProfilingInfo.java @ 21556:48c1ebd24120
renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 27 May 2015 00:36:16 +0200 |
parents | graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/DefaultProfilingInfo.java@cac0a7d1c325 |
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21555:d12eaef9af72 | 21556:48c1ebd24120 |
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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.jvmci.meta; | |
24 | |
25 /** | |
26 * An implementation of {@link ProfilingInfo} that can used in the absence of real profile | |
27 * information. | |
28 */ | |
29 public final class DefaultProfilingInfo implements ProfilingInfo { | |
30 | |
31 private static final ProfilingInfo[] NO_PROFILING_INFO = new ProfilingInfo[]{new DefaultProfilingInfo(TriState.TRUE), new DefaultProfilingInfo(TriState.FALSE), | |
32 new DefaultProfilingInfo(TriState.UNKNOWN)}; | |
33 | |
34 private final TriState exceptionSeen; | |
35 | |
36 DefaultProfilingInfo(TriState exceptionSeen) { | |
37 this.exceptionSeen = exceptionSeen; | |
38 } | |
39 | |
40 @Override | |
41 public int getCodeSize() { | |
42 return 0; | |
43 } | |
44 | |
45 @Override | |
46 public JavaTypeProfile getTypeProfile(int bci) { | |
47 return null; | |
48 } | |
49 | |
50 @Override | |
51 public JavaMethodProfile getMethodProfile(int bci) { | |
52 return null; | |
53 } | |
54 | |
55 @Override | |
56 public double getBranchTakenProbability(int bci) { | |
57 return -1; | |
58 } | |
59 | |
60 @Override | |
61 public double[] getSwitchProbabilities(int bci) { | |
62 return null; | |
63 } | |
64 | |
65 @Override | |
66 public TriState getExceptionSeen(int bci) { | |
67 return exceptionSeen; | |
68 } | |
69 | |
70 @Override | |
71 public TriState getNullSeen(int bci) { | |
72 return TriState.UNKNOWN; | |
73 } | |
74 | |
75 @Override | |
76 public int getExecutionCount(int bci) { | |
77 return -1; | |
78 } | |
79 | |
80 public static ProfilingInfo get(TriState exceptionSeen) { | |
81 return NO_PROFILING_INFO[exceptionSeen.ordinal()]; | |
82 } | |
83 | |
84 @Override | |
85 public int getDeoptimizationCount(DeoptimizationReason reason) { | |
86 return 0; | |
87 } | |
88 | |
89 @Override | |
90 public boolean isMature() { | |
91 return false; | |
92 } | |
93 | |
94 @Override | |
95 public String toString() { | |
96 return "BaseProfilingInfo<" + this.toString(null, "; ") + ">"; | |
97 } | |
98 | |
99 public void setMature() { | |
100 // Do nothing | |
101 } | |
102 | |
103 public boolean setCompilerIRSize(Class<?> irType, int nodeCount) { | |
104 return false; | |
105 } | |
106 | |
107 public int getCompilerIRSize(Class<?> irType) { | |
108 return -1; | |
109 } | |
110 } |