001/*
002 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.compiler.test;
024
025import org.junit.*;
026
027/**
028 * Collection of tests for
029 * {@link com.oracle.graal.phases.common.DominatorConditionalEliminationPhase} including those that
030 * triggered bugs in this phase.
031 */
032public class ConditionalEliminationTest8 extends ConditionalEliminationTestBase {
033
034    private static double value;
035
036    @SuppressWarnings("all")
037    public static int test1Snippet(int a, Object b) {
038        double sum = 0;
039        if (!(b instanceof String)) {
040            return 42;
041        }
042        for (int j = 0; j < a; ++j) {
043            sum += value;
044        }
045        return ((String) b).length();
046    }
047
048    @Test
049    public void test1() {
050        // One loop exit is skipped, because the condition dominates also the loop begin.
051        testProxies("test1Snippet", 0);
052    }
053}