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60 lines
1.8 KiB
60 lines
1.8 KiB
/* |
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @bug 8028207 |
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* @summary Verify that GVN doesn't mess up the two addExacts |
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* @compile GVNTest.java |
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* @run main GVNTest |
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* |
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*/ |
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public class GVNTest { |
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public static int result = 0; |
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public static int value = 93; |
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public static void main(String[] args) { |
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for (int i = 0; i < 50000; ++i) { |
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result = runTest(value + i); |
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result = runTest(value + i); |
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result = runTest(value + i); |
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result = runTest(value + i); |
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result = runTest(value + i); |
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} |
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} |
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public static int runTest(int value) { |
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int v = value + value; |
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int sum = 0; |
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if (v < 4032) { |
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for (int i = 0; i < 1023; ++i) { |
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sum += Math.addExact(value, value); |
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} |
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} else { |
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for (int i = 0; i < 321; ++i) { |
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sum += Math.addExact(value, value); |
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} |
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} |
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return sum + v; |
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} |
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}
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