jdk8-mips64-public/hotspot: test/compiler/profiling/TestUnexpectedProfilingMismatch.java@dbb05f6d93c4

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

     1 /*

     2  * Copyright (c) 2013, 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  */

    24 /*

    25  * @test

    26  * @bug 8027631

    27  * @summary profiling of arguments at calls cannot rely on signature of callee for types

    28  * @run main/othervm -XX:-BackgroundCompilation -XX:TieredStopAtLevel=3 -XX:TypeProfileLevel=111 -XX:Tier3InvocationThreshold=200 -XX:Tier0InvokeNotifyFreqLog=7 TestUnexpectedProfilingMismatch

    29  *

    30  */

    32 import java.lang.invoke.*;

    34 public class TestUnexpectedProfilingMismatch {

    36     static class A {

    37     }

    39     static class B {

    40     }

    42     static void mA(A a) {

    43     }

    45     static void mB(B b) {

    46     }

    48     static final MethodHandle mhA;

    49     static final MethodHandle mhB;

    50     static {

    51         MethodHandles.Lookup lookup = MethodHandles.lookup();

    52         MethodType mt = MethodType.methodType(void.class, A.class);

    53         MethodHandle res = null;

    54         try {

    55             res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mA", mt);

    56         } catch(NoSuchMethodException ex) {

    57         } catch(IllegalAccessException ex) {

    58         }

    59         mhA = res;

    60         mt = MethodType.methodType(void.class, B.class);

    61         try {

    62             res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mB", mt);

    63         } catch(NoSuchMethodException ex) {

    64         } catch(IllegalAccessException ex) {

    65         }

    66         mhB = res;

    67     }

    69     void m1(A a, boolean doit) throws Throwable {

    70         if (doit) {

    71             mhA.invoke(a);

    72         }

    73     }

    75     void m2(B b) throws Throwable {

    76         mhB.invoke(b);

    77     }

    79     static public void main(String[] args) {

    80         TestUnexpectedProfilingMismatch tih = new TestUnexpectedProfilingMismatch();

    81         A a = new A();

    82         B b = new B();

    83         try {

    84             for (int i = 0; i < 256 - 1; i++) {

    85                 tih.m1(a, true);

    86             }

    87             // Will trigger the compilation but will also run once

    88             // more interpreted with a non null MDO which it will

    89             // update. Make it skip the body of the method.

    90             tih.m1(a, false);

    91             // Compile this one as well and do the profiling

    92             for (int i = 0; i < 256; i++) {

    93                 tih.m2(b);

    94             }

    95             // Will run and see a conflict

    96             tih.m1(a, true);

    97         } catch(Throwable ex) {

    98             ex.printStackTrace();

    99         }

   100         System.out.println("TEST PASSED");

   101     }

   102 }

Mercurial > jdk8-mips64-public > hotspot / file revision

test/compiler/profiling/TestUnexpectedProfilingMismatch.java@dbb05f6d93c4

test/compiler/profiling/TestUnexpectedProfilingMismatch.java