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test/compiler/6891750/Test6891750.java@dbb05f6d93c4 (annotated)

test/compiler/6891750/Test6891750.java

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

author

fzhinkin

date

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

changeset 6997

dbb05f6d93c4

parent 1907

c18cbe5936b8

child 6876

710a3c8b516e

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

never@1472	1	/*
trims@1907	2	* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
never@1472	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1472	4	*
never@1472	5	* This code is free software; you can redistribute it and/or modify it
never@1472	6	* under the terms of the GNU General Public License version 2 only, as
never@1472	7	* published by the Free Software Foundation.
never@1472	8	*
never@1472	9	* This code is distributed in the hope that it will be useful, but WITHOUT
never@1472	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1472	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
never@1472	12	* version 2 for more details (a copy is included in the LICENSE file that
never@1472	13	* accompanied this code).
never@1472	14	*
never@1472	15	* You should have received a copy of the GNU General Public License version
never@1472	16	* 2 along with this work; if not, write to the Free Software Foundation,
never@1472	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1472	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
never@1472	22	*
never@1472	23	*/
never@1472	24
never@1472	25	/**
never@1472	26	* @test
never@1472	27	* @bug 6891750
never@1472	28	* @summary deopt blob kills values in O5
never@1472	29	*
never@1472	30	* @run main Test6891750
never@1472	31	*/
never@1472	32
never@1472	33	abstract class Base6891750 extends Thread {
never@1472	34	abstract public long m();
never@1472	35	}
never@1472	36	class Other6891750 extends Base6891750 {
never@1472	37	public long m() {
never@1472	38	return 0;
never@1472	39	}
never@1472	40	}
never@1472	41
never@1472	42	public class Test6891750 extends Base6891750 {
never@1472	43	Base6891750 d;
never@1472	44	volatile long value = 9;
never@1472	45
never@1472	46	static int limit = 400000;
never@1472	47
never@1472	48	Test6891750() {
never@1472	49	d = this;
never@1472	50
never@1472	51	}
never@1472	52	public long m() {
never@1472	53	return value;
never@1472	54	}
never@1472	55
never@1472	56	public long test(boolean doit) {
never@1472	57	if (doit) {
never@1472	58	long total0 = 0;
never@1472	59	long total1 = 0;
never@1472	60	long total2 = 0;
never@1472	61	long total3 = 0;
never@1472	62	long total4 = 0;
never@1472	63	long total5 = 0;
never@1472	64	long total6 = 0;
never@1472	65	long total7 = 0;
never@1472	66	long total8 = 0;
never@1472	67	long total9 = 0;
never@1472	68	for (int i = 0; i < limit; i++) {
never@1472	69	total0 += d.m();
never@1472	70	total1 += d.m();
never@1472	71	total2 += d.m();
never@1472	72	total3 += d.m();
never@1472	73	total4 += d.m();
never@1472	74	total5 += d.m();
never@1472	75	total6 += d.m();
never@1472	76	total7 += d.m();
never@1472	77	total8 += d.m();
never@1472	78	total9 += d.m();
never@1472	79	}
never@1472	80	return total0 + total1 + total2 + total3 + total4 + total5 + total6 + total7 + total8 + total9;
never@1472	81	}
never@1472	82	return 0;
never@1472	83	}
never@1472	84
never@1472	85	public void run() {
never@1472	86	long result = test(true);
never@1472	87	for (int i = 0; i < 300; i++) {
never@1472	88	long result2 = test(true);
never@1472	89	if (result != result2) {
never@1472	90	throw new InternalError(result + " != " + result2);
never@1472	91	}
never@1472	92	}
never@1472	93	}
never@1472	94
never@1472	95	public static void main(String[] args) throws Exception {
never@1472	96	Test6891750 Test6891750 = new Test6891750();
never@1472	97	// warm it up
never@1472	98	for (int i = 0; i < 200000; i++) {
never@1472	99	Test6891750.test(false);
never@1472	100	}
never@1472	101	// set in off running
never@1472	102	Test6891750.start();
never@1472	103	Thread.sleep(2000);
never@1472	104
never@1472	105	// Load a class to invalidate CHA
never@1472	106	new Other6891750();
never@1472	107	}
never@1472	108	}