--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/deopt/SafepointRethrowDeoptTest.java 2016-12-09 00:47:52.820059835 -0800 @@ -0,0 +1,115 @@ +/* + * Copyright (c) 2015, 2015, 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 org.graalvm.compiler.core.test.deopt; + +import java.util.concurrent.CountDownLatch; + +import org.junit.Assert; +import org.junit.Assume; +import org.junit.Test; + +import org.graalvm.compiler.core.common.GraalOptions; +import org.graalvm.compiler.core.test.GraalCompilerTest; + +import jdk.vm.ci.code.InstalledCode; + +public final class SafepointRethrowDeoptTest extends GraalCompilerTest { + + private static final Object RETURN_VALUE = "1 2 3"; + private static final RuntimeException BREAK_EX = new RuntimeException(); + private static final RuntimeException CONTINUE_EX = new RuntimeException(); + private static volatile int terminate; + private static volatile int entered; + + public static Object execute() { + entered = 1; + for (;;) { + try { + if (terminate != 0) { + throw BREAK_EX; + } else { + throw CONTINUE_EX; + } + } catch (RuntimeException e) { + if (e == BREAK_EX) { + break; + } else if (e == CONTINUE_EX) { + continue; + } + throw e; + } + } + return RETURN_VALUE; + } + + @Test + public void test() { + Assume.assumeTrue(GraalOptions.GenLoopSafepoints.getValue()); + synchronized (SafepointRethrowDeoptTest.class) { + // needs static fields + terminate = 1; + + InstalledCode installed = getCode(getResolvedJavaMethod("execute")); + + terminate = 0; + entered = 0; + CountDownLatch cdl = new CountDownLatch(1); + Thread t1 = new Thread(() -> { + try { + cdl.await(); + while (entered == 0) { + /* spin */ + } + installed.invalidate(); + } catch (InterruptedException e) { + Assert.fail("interrupted"); + } finally { + terminate = 1; + } + }); + Thread t2 = new Thread(() -> { + cdl.countDown(); + Object result; + try { + result = installed.executeVarargs(); + } catch (Exception e) { + e.printStackTrace(); + Assert.fail("exception"); + return; + } + Assert.assertEquals(RETURN_VALUE, result); + }); + + t1.start(); + t2.start(); + try { + t1.join(); + t2.join(); + } catch (InterruptedException e) { + Assert.fail("interrupted"); + } + } + } +}