1 /* 2 * Copyright (c) 2015, 2018, 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 24 25 package org.graalvm.compiler.core.test; 26 27 import org.junit.Test; 28 29 import org.graalvm.compiler.api.directives.GraalDirectives; 30 31 /** 32 * Collection of tests for {@link org.graalvm.compiler.phases.common.ConditionalEliminationPhase} 33 * including those that triggered bugs in this phase. 34 */ 35 public class ConditionalEliminationTest9 extends ConditionalEliminationTestBase { 36 37 private static final String REFERENCE_SNIPPET = "referenceSnippet"; 38 39 @SuppressWarnings("all") 40 public static int referenceSnippet(int a) { 41 if (a == 0) { 42 GraalDirectives.deoptimize(); 43 } 44 return 0; 45 } 46 47 @Test 48 public void test1() { 49 testConditionalElimination("test1Snippet", REFERENCE_SNIPPET); 50 } 51 52 @SuppressWarnings("all") 53 public static int test1Snippet(int a) { 54 if (a == 0) { 55 if (a == 0) { 56 GraalDirectives.deoptimize(); 57 } 58 if (a == 0) { 59 GraalDirectives.deoptimize(); 60 } 61 } 62 return 0; 63 } 64 }