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test/compiler/whitebox/ClearMethodStateTest.java@dbb05f6d93c4 (annotated)

test/compiler/whitebox/ClearMethodStateTest.java

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

author

fzhinkin

date

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

changeset 6997

dbb05f6d93c4

parent 6211

d1760952ebdd

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

iignatyev@4908	1	/*
iignatyev@4908	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
iignatyev@4908	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
iignatyev@4908	4	*
iignatyev@4908	5	* This code is free software; you can redistribute it and/or modify it
iignatyev@4908	6	* under the terms of the GNU General Public License version 2 only, as
iignatyev@4908	7	* published by the Free Software Foundation.
iignatyev@4908	8	*
iignatyev@4908	9	* This code is distributed in the hope that it will be useful, but WITHOUT
iignatyev@4908	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
iignatyev@4908	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
iignatyev@4908	12	* version 2 for more details (a copy is included in the LICENSE file that
iignatyev@4908	13	* accompanied this code).
iignatyev@4908	14	*
iignatyev@4908	15	* You should have received a copy of the GNU General Public License version
iignatyev@4908	16	* 2 along with this work; if not, write to the Free Software Foundation,
iignatyev@4908	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
iignatyev@4908	18	*
iignatyev@4908	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
iignatyev@4908	20	* or visit www.oracle.com if you need additional information or have any
iignatyev@4908	21	* questions.
iignatyev@4908	22	*/
iignatyev@4908	23
iignatyev@6211	24	import java.util.function.Function;
iignatyev@6211	25
iignatyev@4908	26	/*
iignatyev@4908	27	* @test ClearMethodStateTest
iignatyev@5541	28	* @bug 8006683 8007288 8022832
iignatyev@4908	29	* @library /testlibrary /testlibrary/whitebox
iignatyev@4908	30	* @build ClearMethodStateTest
iignatyev@4908	31	* @run main ClassFileInstaller sun.hotspot.WhiteBox
iignatyev@6211	32	* @run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* ClearMethodStateTest
iignatyev@4951	33	* @summary testing of WB::clearMethodState()
iignatyev@4908	34	* @author igor.ignatyev@oracle.com
iignatyev@4908	35	*/
iignatyev@4908	36	public class ClearMethodStateTest extends CompilerWhiteBoxTest {
iignatyev@4951	37
iignatyev@4908	38	public static void main(String[] args) throws Exception {
iignatyev@6211	39	CompilerWhiteBoxTest.main(ClearMethodStateTest::new, args);
iignatyev@4908	40	}
iignatyev@4908	41
iignatyev@6211	42	private ClearMethodStateTest(TestCase testCase) {
iignatyev@4951	43	super(testCase);
iignatyev@4951	44	// to prevent inlining of #method
iignatyev@4951	45	WHITE_BOX.testSetDontInlineMethod(method, true);
iignatyev@4951	46	}
iignatyev@4951	47
iignatyev@4951	48
iignatyev@4951	49	/**
iignatyev@4951	50	* Tests {@code WB::clearMethodState()} by calling it before/after
iignatyev@4951	51	* compilation. For non-tiered, checks that counters will be rested after
iignatyev@4951	52	* clearing of method state.
iignatyev@4951	53	*
iignatyev@4951	54	* @throws Exception if one of the checks fails.
iignatyev@4951	55	*/
iignatyev@4951	56	@Override
iignatyev@4908	57	protected void test() throws Exception {
iignatyev@4951	58	checkNotCompiled();
iignatyev@4908	59	compile();
iignatyev@4951	60	WHITE_BOX.clearMethodState(method);
iignatyev@4951	61	checkCompiled();
iignatyev@4951	62	WHITE_BOX.clearMethodState(method);
iignatyev@5541	63	deoptimize();
iignatyev@4951	64	checkNotCompiled();
iignatyev@4908	65
iignatyev@6211	66	if (testCase.isOsr()) {
iignatyev@5541	67	// part test isn't applicable for OSR test case
iignatyev@5541	68	return;
iignatyev@5541	69	}
iignatyev@4908	70	if (!TIERED_COMPILATION) {
iignatyev@4951	71	WHITE_BOX.clearMethodState(method);
iignatyev@4908	72	compile(COMPILE_THRESHOLD);
iignatyev@4951	73	checkCompiled();
iignatyev@4908	74
iignatyev@5541	75	deoptimize();
iignatyev@4951	76	checkNotCompiled();
iignatyev@4951	77	WHITE_BOX.clearMethodState(method);
iignatyev@4908	78
iignatyev@4951	79	// invoke method one less time than needed to compile
iignatyev@4908	80	if (COMPILE_THRESHOLD > 1) {
iignatyev@4908	81	compile(COMPILE_THRESHOLD - 1);
iignatyev@4951	82	checkNotCompiled();
iignatyev@4908	83	} else {
iignatyev@4951	84	System.err.println("Warning: 'CompileThreshold' <= 1");
iignatyev@4908	85	}
iignatyev@4908	86
iignatyev@4951	87	compile(1);
iignatyev@4951	88	checkCompiled();
iignatyev@4908	89	} else {
iignatyev@4908	90	System.err.println(
iignatyev@4908	91	"Warning: part of test is not applicable in Tiered");
iignatyev@4908	92	}
iignatyev@4908	93	}
iignatyev@4908	94	}