test/compiler/profiling/TestUnexpectedProfilingMismatch.java

Mon, 28 Jul 2014 15:06:38 -0700

author
fzhinkin
date
Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997
dbb05f6d93c4
parent 0
f90c822e73f8
permissions
-rw-r--r--

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

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test
aoqi@0 26 * @bug 8027631
aoqi@0 27 * @summary profiling of arguments at calls cannot rely on signature of callee for types
aoqi@0 28 * @run main/othervm -XX:-BackgroundCompilation -XX:TieredStopAtLevel=3 -XX:TypeProfileLevel=111 -XX:Tier3InvocationThreshold=200 -XX:Tier0InvokeNotifyFreqLog=7 TestUnexpectedProfilingMismatch
aoqi@0 29 *
aoqi@0 30 */
aoqi@0 31
aoqi@0 32 import java.lang.invoke.*;
aoqi@0 33
aoqi@0 34 public class TestUnexpectedProfilingMismatch {
aoqi@0 35
aoqi@0 36 static class A {
aoqi@0 37 }
aoqi@0 38
aoqi@0 39 static class B {
aoqi@0 40 }
aoqi@0 41
aoqi@0 42 static void mA(A a) {
aoqi@0 43 }
aoqi@0 44
aoqi@0 45 static void mB(B b) {
aoqi@0 46 }
aoqi@0 47
aoqi@0 48 static final MethodHandle mhA;
aoqi@0 49 static final MethodHandle mhB;
aoqi@0 50 static {
aoqi@0 51 MethodHandles.Lookup lookup = MethodHandles.lookup();
aoqi@0 52 MethodType mt = MethodType.methodType(void.class, A.class);
aoqi@0 53 MethodHandle res = null;
aoqi@0 54 try {
aoqi@0 55 res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mA", mt);
aoqi@0 56 } catch(NoSuchMethodException ex) {
aoqi@0 57 } catch(IllegalAccessException ex) {
aoqi@0 58 }
aoqi@0 59 mhA = res;
aoqi@0 60 mt = MethodType.methodType(void.class, B.class);
aoqi@0 61 try {
aoqi@0 62 res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mB", mt);
aoqi@0 63 } catch(NoSuchMethodException ex) {
aoqi@0 64 } catch(IllegalAccessException ex) {
aoqi@0 65 }
aoqi@0 66 mhB = res;
aoqi@0 67 }
aoqi@0 68
aoqi@0 69 void m1(A a, boolean doit) throws Throwable {
aoqi@0 70 if (doit) {
aoqi@0 71 mhA.invoke(a);
aoqi@0 72 }
aoqi@0 73 }
aoqi@0 74
aoqi@0 75 void m2(B b) throws Throwable {
aoqi@0 76 mhB.invoke(b);
aoqi@0 77 }
aoqi@0 78
aoqi@0 79 static public void main(String[] args) {
aoqi@0 80 TestUnexpectedProfilingMismatch tih = new TestUnexpectedProfilingMismatch();
aoqi@0 81 A a = new A();
aoqi@0 82 B b = new B();
aoqi@0 83 try {
aoqi@0 84 for (int i = 0; i < 256 - 1; i++) {
aoqi@0 85 tih.m1(a, true);
aoqi@0 86 }
aoqi@0 87 // Will trigger the compilation but will also run once
aoqi@0 88 // more interpreted with a non null MDO which it will
aoqi@0 89 // update. Make it skip the body of the method.
aoqi@0 90 tih.m1(a, false);
aoqi@0 91 // Compile this one as well and do the profiling
aoqi@0 92 for (int i = 0; i < 256; i++) {
aoqi@0 93 tih.m2(b);
aoqi@0 94 }
aoqi@0 95 // Will run and see a conflict
aoqi@0 96 tih.m1(a, true);
aoqi@0 97 } catch(Throwable ex) {
aoqi@0 98 ex.printStackTrace();
aoqi@0 99 }
aoqi@0 100 System.out.println("TEST PASSED");
aoqi@0 101 }
aoqi@0 102 }

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