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 ConditionalEliminationTest7 extends ConditionalEliminationTestBase { 34 35 @SuppressWarnings("all") 36 public static int test1Snippet(int a, Object b) { 37 int sum = 0; 38 for (int j = 0;; ++j) { 39 ++sum; 40 if (b instanceof String) { 41 if (sum == 100) { 42 break; 43 } 44 } 45 } 46 String s = (String) b; 47 return s.length() + sum; 48 } 49 50 @Test 51 public void test1() { 52 // One loop exit is skipped. 53 testProxies("test1Snippet", 1); 54 } 55 56 @SuppressWarnings("all") 57 public static int test2Snippet(int a, Object b) { 58 int sum = 0; 59 for (int j = 0;; ++j) { 60 ++sum; 61 if (b instanceof String) { 62 break; 63 } 64 } 65 String s = (String) b; 66 return s.length() + sum; 67 } 68 69 @Test 70 public void test2() { 71 // The loop exit is the anchor => no proxy necessary. 72 testProxies("test2Snippet", 0); 73 } 74 75 @SuppressWarnings("all") 76 public static int test3Snippet(int a, Object b) { 77 int sum = a; 78 outer: while (true) { 79 sum++; 80 while (sum++ != 20) { 81 while (sum++ != 30) { 82 while (sum++ != 40) { 83 while (sum++ != 50) { 84 if (b instanceof String) { 85 break outer; 86 } 87 } 88 } 89 } 90 } 91 } 92 String s = (String) b; 93 return s.length() + sum; 94 } 95 96 @Test 97 public void test3() { 98 // The break skips over 4 other loops. 99 testProxies("test3Snippet", 4); 100 } 101} 102