| /* |
| * Copyright (c) 2016, 2019, 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. |
| */ |
| |
| /* |
| * @test |
| * @requires vm.aot |
| * @library /test/lib /testlibrary / |
| * @modules java.base/jdk.internal.misc |
| * @build compiler.aot.DeoptimizationTest |
| * compiler.aot.AotCompiler |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run driver compiler.aot.AotCompiler -libname libDeoptimizationTest.so |
| * -class compiler.aot.DeoptimizationTest |
| * -compile compiler.aot.DeoptimizationTest.testMethod()D |
| * -extraopt -XX:-UseCompressedOops |
| * @run main/othervm -Xmixed -XX:+UnlockExperimentalVMOptions -XX:+UseAOT -XX:+TieredCompilation |
| * -XX:-UseCompressedOops |
| * -XX:CompileCommand=dontinline,compiler.aot.DeoptimizationTest::* |
| * -XX:AOTLibrary=./libDeoptimizationTest.so -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
| * compiler.aot.DeoptimizationTest |
| * @summary check if aot code can be deoptimized |
| */ |
| |
| package compiler.aot; |
| |
| import java.lang.reflect.Method; |
| import jdk.test.lib.Asserts; |
| import jdk.test.lib.Utils; |
| import sun.hotspot.WhiteBox; |
| import compiler.whitebox.CompilerWhiteBoxTest; |
| |
| public final class DeoptimizationTest { |
| private static final String TEST_METHOD = "testMethod"; |
| private static final WhiteBox WB = WhiteBox.getWhiteBox(); |
| private final Method testMethod; |
| |
| private DeoptimizationTest() { |
| try { |
| testMethod = getClass().getDeclaredMethod(TEST_METHOD); |
| } catch (NoSuchMethodException e) { |
| throw new Error("TEST BUG: no test method found", e); |
| } |
| } |
| |
| public static void main(String args[]) { |
| new DeoptimizationTest().test(); |
| } |
| |
| private double testMethod() { |
| return 42 / 0; |
| } |
| |
| private void test() { |
| Asserts.assertTrue(WB.isMethodCompiled(testMethod), |
| "Method expected to be compiled"); |
| Asserts.assertEQ(WB.getMethodCompilationLevel(testMethod), |
| CompilerWhiteBoxTest.COMP_LEVEL_AOT, |
| "Unexpected compilation level at start"); |
| Utils.runAndCheckException(() -> testMethod(), ArithmeticException.class); |
| Asserts.assertFalse(WB.isMethodCompiled(testMethod), |
| "Method is unexpectedly compiled after deoptimization"); |
| Asserts.assertEQ(WB.getMethodCompilationLevel(testMethod), 0, |
| "Unexpected compilation level after deoptimization"); |
| } |
| } |