| /* |
| * Copyright (c) 2011, 2012, 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.jtt.optimize; |
| |
| import java.util.EnumSet; |
| |
| import jdk.vm.ci.meta.DeoptimizationReason; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.jtt.JTTTest; |
| |
| public class ConditionalElimination02 extends JTTTest { |
| |
| private static Object o = null; |
| |
| private static class A { |
| |
| A(int y) { |
| this.y = y; |
| } |
| |
| int y; |
| } |
| |
| public int test(A a, boolean isNull, boolean isVeryNull) { |
| if (o == null) { |
| if (!isNull) { |
| if (o == null) { |
| return a.y; |
| } |
| } |
| if (!isVeryNull) { |
| if (o == null) { |
| return a.y; |
| } |
| } |
| } |
| return -1; |
| } |
| |
| @Test |
| public void run0() throws Throwable { |
| runTest(EnumSet.of(DeoptimizationReason.NullCheckException), "test", new A(5), false, false); |
| } |
| |
| @Test |
| public void run1() throws Throwable { |
| runTest(EnumSet.of(DeoptimizationReason.NullCheckException), "test", new Object[]{null, true, true}); |
| } |
| |
| } |