1 /* 2 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.core.test; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.api.directives.GraalDirectives; 28 29 /** 30 * Collection of tests for 31 * {@link org.graalvm.compiler.phases.common.DominatorConditionalEliminationPhase} including those 32 * that triggered bugs in this phase. 33 */ 34 public class ConditionalEliminationTest9 extends ConditionalEliminationTestBase { 35 36 private static final String REFERENCE_SNIPPET = "referenceSnippet"; 37 38 @SuppressWarnings("all") 39 public static int referenceSnippet(int a) { 40 if (a == 0) { 41 GraalDirectives.deoptimize(); 42 } 43 return 0; 44 } 45 46 @Test 47 public void test1() { 48 testConditionalElimination("test1Snippet", REFERENCE_SNIPPET); 49 } 50 51 @SuppressWarnings("all") 52 public static int test1Snippet(int a) { 53 if (a == 0) { 54 if (a == 0) { 55 GraalDirectives.deoptimize(); 56 } 57 if (a == 0) { 58 GraalDirectives.deoptimize(); 59 } 60 } 61 return 0; 62 } 63 }