| /* |
| * Copyright (c) 2013, 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 8028207 |
| * @summary Verify that GVN doesn't mess up the two addExacts |
| * |
| * @run main compiler.intrinsics.mathexact.GVNTest |
| */ |
| |
| package compiler.intrinsics.mathexact; |
| |
| public class GVNTest { |
| public static int result = 0; |
| public static int value = 93; |
| public static void main(String[] args) { |
| for (int i = 0; i < 50000; ++i) { |
| result = runTest(value + i); |
| result = runTest(value + i); |
| result = runTest(value + i); |
| result = runTest(value + i); |
| result = runTest(value + i); |
| } |
| } |
| |
| public static int runTest(int value) { |
| int v = value + value; |
| int sum = 0; |
| if (v < 4032) { |
| for (int i = 0; i < 1023; ++i) { |
| sum += Math.addExact(value, value); |
| } |
| } else { |
| for (int i = 0; i < 321; ++i) { |
| sum += Math.addExact(value, value); |
| } |
| } |
| return sum + v; |
| } |
| } |