Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/deopt/SynchronizedMethodDeoptimizationTest.java @ 8326:70dd2a8e170c
Add test case for deoptimizing out of a synchronized method. Made guard lowering phase use earliest schedule.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 17 Mar 2013 19:49:46 +0100 |
parents | |
children | f94bb5d20e5d |
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/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.compiler.test.deopt; import java.lang.reflect.*; import org.junit.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.code.InstalledCode.MethodInvalidatedException; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.test.*; import com.oracle.graal.nodes.*; /** * In the following tests, we try to deoptimize out of synchronized methods. */ public class SynchronizedMethodDeoptimizationTest extends GraalCompilerTest { public static final int N = 15000; public static synchronized Object testMethodSynchronized(Object o) { if (o == null) { return null; } return o; } @Test public void test1() { Method method = getMethod("testMethodSynchronized"); String testString = "test"; for (int i = 0; i < N; ++i) { Assert.assertEquals(testString, testMethodSynchronized(testString)); } final StructuredGraph graph = parseProfiled(method); final ResolvedJavaMethod javaMethod = runtime.lookupJavaMethod(method); InstalledCode compiledMethod = getCode(javaMethod, graph); try { Object result = compiledMethod.executeVarargs(testString); Assert.assertEquals(testString, result); } catch (MethodInvalidatedException t) { Assert.fail("method invalidated"); } try { Object result = compiledMethod.executeVarargs(new Object[]{null}); Assert.assertEquals(null, result); Assert.assertFalse(compiledMethod.isValid()); } catch (MethodInvalidatedException t) { Assert.fail("method invalidated"); } } }