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 24 25 package org.graalvm.compiler.core.test; 26 27 import org.junit.Ignore; 28 import org.junit.Test; 29 30 /** 31 * Collection of tests for {@link org.graalvm.compiler.phases.common.ConditionalEliminationPhase} 32 * including those that triggered bugs in this phase. 33 */ 34 @Ignore 35 public class ConditionalEliminationTest3 extends ConditionalEliminationTestBase { 36 37 private static final String REFERENCE_SNIPPET = "referenceSnippet"; 38 39 @SuppressWarnings("all") 40 public static int referenceSnippet(int a, int b) { 41 int sum = 0; 42 outer: for (int i = 0;; ++i) { 43 if (b > 100) { 44 inner: for (int j = 0;; ++j) { 45 ++sum; 46 if (sum == 100) { 47 break inner; 48 } 49 if (sum == 1000 && b < 1000) { 50 break outer; 51 } 52 } 53 } 54 } 55 return sum; 56 } 57 58 @Test 59 public void test1() { 60 testConditionalElimination("test1Snippet", REFERENCE_SNIPPET); 61 } 62 63 @SuppressWarnings("all") 64 public static int test1Snippet(int a, int b) { 65 int sum = 0; 66 outer: for (int i = 0;; ++i) { 67 if (b > 100) { 68 inner: for (int j = 0;; ++j) { 69 ++sum; 70 if (sum == 100) { 71 break inner; 72 } 73 if (sum == 1000 && b < 1000) { 74 break outer; 75 } 76 } 77 } 78 } 79 if (b >= 1000) { 80 return 5; 81 } 82 return sum; 83 } 84 85 @Test 86 public void test2() { 87 testConditionalElimination("test2Snippet", REFERENCE_SNIPPET); 88 } 89 90 @SuppressWarnings("all") 91 public static int test2Snippet(int a, int b) { 92 int sum = 0; 93 outer: for (int i = 0;; ++i) { 94 if (b > 100) { 95 inner: for (int j = 0;; ++j) { 96 ++sum; 97 if (sum == 100) { 98 break inner; 99 } 100 if (sum == 1000 && b < 1000) { 101 break outer; 102 } 103 } 104 if (sum != 100) { 105 return 42; 106 } 107 } 108 } 109 return sum; 110 } 111 }