63 lines
2.0 KiB
Java
63 lines
2.0 KiB
Java
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/*
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* Copyright (c) 2019, 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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/*
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* @test
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* @bug 8231223
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* @summary Test conditional move optimization encountering an Opaque4Node.
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* @run main/othervm -Xbatch -XX:-TieredCompilation
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* -XX:CompileCommand=inline,compiler.loopopts.TestCMovWithOpaque::test
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* compiler.loopopts.TestCMovWithOpaque
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*/
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package compiler.loopopts;
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public class TestCMovWithOpaque {
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public static void test(int array[]) {
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for (int i = 1; i < 8; i += 3) {
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for (int j = 0; j < 4; ++j) {
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switch (i % 4) {
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case 0:
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break;
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case 1:
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break;
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case 2:
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break;
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case 3:
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array[j] += 42;
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break;
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}
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}
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}
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}
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public static void main(String[] args) {
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int[] array = new int[4];
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for (int i = 0; i < 20_000; ++i) {
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test(array);
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}
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}
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}
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