Mercurial > hg > truffle

annotate test/compiler/types/correctness/execution/TypeConflict.java @ 19299:8e4f683e16d9

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Truffle-DSL: fixed warning
author Christian Humer <christian.humer@gmail.com>
date Wed, 11 Feb 2015 18:10:02 +0100
parents 534fbe3d90f0
children
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1 /*
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2 * Copyright (c) 2014, 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
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24 package execution;
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25
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26 import hierarchies.TypeHierarchy;
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27 import scenarios.Scenario;
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28
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29 /**
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30 * Type profiling conflict execution scenario. The main goal is
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31 * to make compiler profile and compile methods with different types.
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32 * Scenario tests guards by passing conflicting types (incompatible
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33 * for the profiled data).
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34 */
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35 public class TypeConflict<T extends TypeHierarchy.I, R> implements Execution<T, R> {
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36 /** Test methods execution number to make profile */
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37 private final static int POLLUTION_THRESHOLD = 5000;
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38 /** Test methods execution number to make it profiled and compiled*/
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39 private final static int PROFILE_THRESHOLD = 20000;
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40
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41 @Override
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42 public void execute(Scenario<T, R> scenario) {
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43 T base = scenario.getProfiled();
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44 T incompatible = scenario.getConflict();
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45
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46 // pollute profile by passing different types
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47 R baseResult = null;
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48 R incResult = null;
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49 for (int i = 0; i < POLLUTION_THRESHOLD; i++) {
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50 baseResult = methodNotToCompile(scenario, base);
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51 incResult = methodNotToCompile(scenario, incompatible);
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52 }
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53 scenario.check(baseResult, base);
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54 scenario.check(incResult, incompatible);
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55
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56 // profile and compile
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57 R result = null;
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58 for (int i = 0; i < PROFILE_THRESHOLD; i++) {
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59 result = methodNotToCompile(scenario, base);
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60 }
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61 scenario.check(result, base);
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62
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63 // pass another type to make guard work and recompile
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64 for (int i = 0; i < PROFILE_THRESHOLD; i++) {
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65 result = methodNotToCompile(scenario, incompatible);
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66 }
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67 scenario.check(result, incompatible);
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68 }
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69
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70 private R methodNotToCompile(Scenario<T, R> scenario, T t) {
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71 return scenario.run(t);
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72 }
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73 }
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74