| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8134974 |
| * @summary Cannot pin eliminated arraycopy loads for deopt state in uncommon trap path if it is a loop predicate unc |
| * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement TestEliminatedArrayLoopPredicateCopyDeopt |
| * |
| */ |
| |
| public class TestEliminatedArrayLoopPredicateCopyDeopt { |
| |
| static boolean test(int[] array_src) { |
| int[] array_dst = new int[10]; |
| System.arraycopy(array_src, 0, array_dst, 0, 10); |
| |
| for (int i = 0; i < 100; i++) { |
| array_src[i] = i; |
| } |
| if (array_dst[0] == 0) { |
| return true; |
| } |
| return false; |
| } |
| |
| static public void main(String[] args) { |
| int[] array_src = new int[100]; |
| for (int i = 0; i < 20000; i++) { |
| test(array_src); |
| } |
| } |
| } |