Mercurial > hg > truffle
view graal/com.oracle.graal.jtt/src/com/oracle/graal/jtt/optimize/VN_InstanceOf02.java @ 18505:3356ea593672
Add missing null check in readConstantArrayElement
author | Andreas Woess <andreas.woess@jku.at> |
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date | Wed, 26 Nov 2014 00:53:50 +0100 |
parents | f0efdd541094 |
children |
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/* * Copyright (c) 2009, 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 com.oracle.graal.jtt.optimize; import org.junit.*; import com.oracle.graal.jtt.*; /* * Tests value numbering of instanceof operations. */ public class VN_InstanceOf02 extends JTTTest { private static boolean cond = true; static final Object object = new DummyTestClass(); public static boolean test(int arg) { if (arg == 0) { return foo1(); } if (arg == 1) { return foo2(); } if (arg == 2) { return foo3(); } // do nothing return false; } private static boolean foo1() { boolean a = object instanceof DummyTestClass; if (cond) { boolean b = object instanceof DummyTestClass; return a | b; } return false; } private static boolean foo2() { Object obj = new DummyTestClass(); boolean a = obj instanceof DummyTestClass; if (cond) { boolean b = obj instanceof DummyTestClass; return a | b; } return false; } private static boolean foo3() { boolean a = null instanceof DummyTestClass; if (cond) { boolean b = null instanceof DummyTestClass; return a | b; } return false; } @Test public void run0() throws Throwable { runTest("test", 0); } @Test public void run1() throws Throwable { runTest("test", 1); } @Test public void run2() throws Throwable { runTest("test", 2); } }