Mercurial > hg > truffle
comparison test/compiler/types/correctness/execution/TypeConflict.java @ 17881:534fbe3d90f0
8038418: New tests development for type profiling and speculation
Reviewed-by: roland, iignatyev
Contributed-by: Pavel Punegov <pavel.punegov@oracle.com>
author | iignatyev |
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date | Fri, 11 Apr 2014 18:46:35 +0400 |
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17880:e1fc9306859a | 17881:534fbe3d90f0 |
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1 /* | |
2 * Copyright (c) 2014, 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 | |
24 package execution; | |
25 | |
26 import hierarchies.TypeHierarchy; | |
27 import scenarios.Scenario; | |
28 | |
29 /** | |
30 * Type profiling conflict execution scenario. The main goal is | |
31 * to make compiler profile and compile methods with different types. | |
32 * Scenario tests guards by passing conflicting types (incompatible | |
33 * for the profiled data). | |
34 */ | |
35 public class TypeConflict<T extends TypeHierarchy.I, R> implements Execution<T, R> { | |
36 /** Test methods execution number to make profile */ | |
37 private final static int POLLUTION_THRESHOLD = 5000; | |
38 /** Test methods execution number to make it profiled and compiled*/ | |
39 private final static int PROFILE_THRESHOLD = 20000; | |
40 | |
41 @Override | |
42 public void execute(Scenario<T, R> scenario) { | |
43 T base = scenario.getProfiled(); | |
44 T incompatible = scenario.getConflict(); | |
45 | |
46 // pollute profile by passing different types | |
47 R baseResult = null; | |
48 R incResult = null; | |
49 for (int i = 0; i < POLLUTION_THRESHOLD; i++) { | |
50 baseResult = methodNotToCompile(scenario, base); | |
51 incResult = methodNotToCompile(scenario, incompatible); | |
52 } | |
53 scenario.check(baseResult, base); | |
54 scenario.check(incResult, incompatible); | |
55 | |
56 // profile and compile | |
57 R result = null; | |
58 for (int i = 0; i < PROFILE_THRESHOLD; i++) { | |
59 result = methodNotToCompile(scenario, base); | |
60 } | |
61 scenario.check(result, base); | |
62 | |
63 // pass another type to make guard work and recompile | |
64 for (int i = 0; i < PROFILE_THRESHOLD; i++) { | |
65 result = methodNotToCompile(scenario, incompatible); | |
66 } | |
67 scenario.check(result, incompatible); | |
68 } | |
69 | |
70 private R methodNotToCompile(Scenario<T, R> scenario, T t) { | |
71 return scenario.run(t); | |
72 } | |
73 } | |
74 |