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17925
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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 /*
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25 * @test
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26 * @bug 8041458
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27 * @summary profiling of arguments in C1 at MethodHandle invoke of intrinsic tries to profile popped argument.
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28 * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:TieredStopAtLevel=3 TestMethodHandleInvokesIntrinsic
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29 *
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30 */
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31
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32 import java.lang.invoke.*;
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33
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34 public class TestMethodHandleInvokesIntrinsic {
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35
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36 static final MethodHandle mh_nanoTime;
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37 static final MethodHandle mh_getClass;
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38 static {
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39 MethodHandles.Lookup lookup = MethodHandles.lookup();
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40 MethodType mt = MethodType.methodType(long.class);
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41 MethodHandle MH = null;
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42 try {
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43 MH = lookup.findStatic(System.class, "nanoTime", mt);
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44 } catch(NoSuchMethodException nsme) {
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45 nsme.printStackTrace();
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46 throw new RuntimeException("TEST FAILED", nsme);
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47 } catch(IllegalAccessException iae) {
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48 iae.printStackTrace();
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49 throw new RuntimeException("TEST FAILED", iae);
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50 }
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51 mh_nanoTime = MH;
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52
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53 mt = MethodType.methodType(Class.class);
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54 MH = null;
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55 try {
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56 MH = lookup.findVirtual(Object.class, "getClass", mt);
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57 } catch(NoSuchMethodException nsme) {
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58 nsme.printStackTrace();
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59 throw new RuntimeException("TEST FAILED", nsme);
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60 } catch(IllegalAccessException iae) {
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61 iae.printStackTrace();
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62 throw new RuntimeException("TEST FAILED", iae);
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63 }
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64 mh_getClass = MH;
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65 }
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66
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67 static long m1() throws Throwable {
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68 return (long)mh_nanoTime.invokeExact();
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69 }
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70
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71 static Class m2(Object o) throws Throwable {
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72 return (Class)mh_getClass.invokeExact(o);
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73 }
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74
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75 static public void main(String[] args) {
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76 try {
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77 for (int i = 0; i < 20000; i++) {
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78 m1();
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79 }
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80 TestMethodHandleInvokesIntrinsic o = new TestMethodHandleInvokesIntrinsic();
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81 for (int i = 0; i < 20000; i++) {
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82 m2(o);
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83 }
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84 } catch(Throwable t) {
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85 System.out.println("Unexpected exception");
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86 t.printStackTrace();
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87 throw new RuntimeException("TEST FAILED", t);
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88 }
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89
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90 System.out.println("TEST PASSED");
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91 }
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92 }
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