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
027import com.oracle.graal.api.directives.*;
028
029/**
030 * Collection of tests for
031 * {@link com.oracle.graal.phases.common.DominatorConditionalEliminationPhase} including those that
032 * triggered bugs in this phase.
033 */
034public class ConditionalEliminationTest9 extends ConditionalEliminationTestBase {
035
036    private static final String REFERENCE_SNIPPET = "referenceSnippet";
037
038    @SuppressWarnings("all")
039    public static int referenceSnippet(int a) {
040        if (a == 0) {
041            GraalDirectives.deoptimize();
042        }
043        return 0;
044    }
045
046    @Test
047    public void test1() {
048        testConditionalElimination("test1Snippet", REFERENCE_SNIPPET);
049    }
050
051    @SuppressWarnings("all")
052    public static int test1Snippet(int a) {
053        if (a == 0) {
054            if (a == 0) {
055                GraalDirectives.deoptimize();
056            }
057            if (a == 0) {
058                GraalDirectives.deoptimize();
059            }
060        }
061        return 0;
062    }
063}