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 /** 30 * Collection of tests for {@link org.graalvm.compiler.phases.common.ConditionalEliminationPhase} 31 * including those that triggered bugs in this phase. 32 */ 33 public class ConditionalEliminationTest4 extends ConditionalEliminationTestBase { 34 35 @SuppressWarnings("all") 36 public static int reference1Snippet(int a, int b) { 37 if (a > b) { 38 return 1; 39 } 40 return 2; 41 } 42 43 @SuppressWarnings("all") 44 public static int test1Snippet(int a, int b) { 45 if (a > b) { 46 if (a > b) { 47 return 1; 48 } 49 } 50 return 2; 51 } 52 53 @Test 54 public void test1() { 55 testConditionalElimination("test1Snippet", "reference1Snippet"); 56 } 57 58 @SuppressWarnings("all") 59 public static int reference2Snippet(int a, int b) { 60 if (a < b) { 61 return 1; 62 } 63 return 2; 64 } 65 66 @SuppressWarnings("all") 67 public static int test2Snippet(int a, int b) { 68 if (a < b) { 69 if (a < b) { 70 return 1; 71 } 72 } 73 return 2; 74 } 75 76 @Test 77 public void test2() { 78 testConditionalElimination("test2Snippet", "reference2Snippet"); 79 } 80 }