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 */ 23package org.graalvm.compiler.core.test; 24 25import org.junit.Ignore; 26import org.junit.Test; 27 28/** 29 * Collection of tests for {@link org.graalvm.compiler.phases.common.ConditionalEliminationPhase} 30 * including those that triggered bugs in this phase. 31 */ 32@Ignore 33public class ConditionalEliminationTest3 extends ConditionalEliminationTestBase { 34 35 private static final String REFERENCE_SNIPPET = "referenceSnippet"; 36 37 @SuppressWarnings("all") 38 public static int referenceSnippet(int a, int b) { 39 int sum = 0; 40 outer: for (int i = 0;; ++i) { 41 if (b > 100) { 42 inner: for (int j = 0;; ++j) { 43 ++sum; 44 if (sum == 100) { 45 break inner; 46 } 47 if (sum == 1000 && b < 1000) { 48 break outer; 49 } 50 } 51 } 52 } 53 return sum; 54 } 55 56 @Test 57 public void test1() { 58 testConditionalElimination("test1Snippet", REFERENCE_SNIPPET); 59 } 60 61 @SuppressWarnings("all") 62 public static int test1Snippet(int a, int b) { 63 int sum = 0; 64 outer: for (int i = 0;; ++i) { 65 if (b > 100) { 66 inner: for (int j = 0;; ++j) { 67 ++sum; 68 if (sum == 100) { 69 break inner; 70 } 71 if (sum == 1000 && b < 1000) { 72 break outer; 73 } 74 } 75 } 76 } 77 if (b >= 1000) { 78 return 5; 79 } 80 return sum; 81 } 82 83 @Test 84 public void test2() { 85 testConditionalElimination("test2Snippet", REFERENCE_SNIPPET); 86 } 87 88 @SuppressWarnings("all") 89 public static int test2Snippet(int a, int b) { 90 int sum = 0; 91 outer: for (int i = 0;; ++i) { 92 if (b > 100) { 93 inner: for (int j = 0;; ++j) { 94 ++sum; 95 if (sum == 100) { 96 break inner; 97 } 98 if (sum == 1000 && b < 1000) { 99 break outer; 100 } 101 } 102 if (sum != 100) { 103 return 42; 104 } 105 } 106 } 107 return sum; 108 } 109} 110