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annotate graal/com.oracle.graal.api.directives.test/src/com/oracle/graal/api/directives/test/DeoptimizeDirectiveTest.java @ 21097:391f94d4d23f

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Move MatchProcessor and HotSpotVMConfigPorcessor to their own projects
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Thu, 23 Apr 2015 14:48:52 +0200
parents 2358c0e65b9e
children 48c1ebd24120
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2358c0e65b9e Unit tests for GraalDirectives API.
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1 /*
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2 * Copyright (c) 2015, 2015, 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.directives.test;
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24
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25 import org.junit.*;
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26
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27 import com.oracle.graal.api.code.*;
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28 import com.oracle.graal.api.directives.*;
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29 import com.oracle.graal.api.meta.*;
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30 import com.oracle.graal.compiler.test.*;
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31
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32 public class DeoptimizeDirectiveTest extends GraalCompilerTest {
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33
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34 public static boolean inCompiledCode() {
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35 return GraalDirectives.inCompiledCode();
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36 }
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37
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38 @Test
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39 public void testInCompiledCode() {
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40 ResolvedJavaMethod method = getResolvedJavaMethod("inCompiledCode");
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41
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42 Result interpreted = executeExpected(method, null);
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43 assertEquals(new Result(false, null), interpreted);
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44
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45 Result compiled = executeActual(method, null);
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46 assertEquals(new Result(true, null), compiled);
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47 }
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48
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49 public static boolean deoptimizeSnippet() {
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50 GraalDirectives.deoptimize();
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51 return GraalDirectives.inCompiledCode(); // should always return false
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52 }
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53
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54 public static boolean deoptimizeAndInvalidateSnippet() {
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55 GraalDirectives.deoptimizeAndInvalidate();
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56 return GraalDirectives.inCompiledCode(); // should always return false
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57 }
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58
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59 @Test
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60 public void testDeoptimize() {
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61 test("deoptimizeSnippet");
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62 }
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63
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64 private boolean testDeoptimizeCheckValid(ResolvedJavaMethod method) {
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65 Result expected = executeExpected(method, null);
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66
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67 InstalledCode code = getCode(method);
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68 Result actual;
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69 try {
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70 actual = new Result(code.executeVarargs(), null);
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71 } catch (Throwable e) {
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72 actual = new Result(null, e);
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73 }
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74
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75 assertEquals(expected, actual);
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76 return code.isValid();
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77 }
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78
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79 @Test
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80 public void testDeoptimizeAndInvalidate() {
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81 ResolvedJavaMethod method = getResolvedJavaMethod("deoptimizeAndInvalidateSnippet");
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82 boolean valid = testDeoptimizeCheckValid(method);
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83 Assert.assertFalse("code should be invalidated", valid);
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84 }
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85
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86 @Test
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87 public void testDeoptimizeDontInvalidate() {
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88 ResolvedJavaMethod method = getResolvedJavaMethod("deoptimizeSnippet");
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89 boolean valid = testDeoptimizeCheckValid(method);
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90 Assert.assertTrue("code should still be valid", valid);
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91 }
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92 }