/* * Copyright (c) 2024, 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 8339303 * @summary Test that the matcher does not create dead nodes when matching * address expressions with two immediate offsets. * @requires os.maxMemory > 4G * * @run main/othervm -Xmx4g -Xbatch -XX:-TieredCompilation * -XX:CompileOnly=compiler.c2.TestMatcherTwoImmOffsets::test * compiler.c2.TestMatcherTwoImmOffsets */ package compiler.c2; public class TestMatcherTwoImmOffsets { static final int[] a1 = new int[10]; int[] a2; static TestMatcherTwoImmOffsets o = new TestMatcherTwoImmOffsets(); public static void test() { for (int i = 0; i < 10; i++) { for (int j = 0; j < 100; j++) { int[][] nArray = new int[10][]; for (int k = 0; k < nArray.length; k++) {} } for (long j = 1L; j < 3L; j++) { a1[(int) j]--; } o.a2 = a1; } } public static void main(String[] args) { for (int i = 0; i < 10; i++) { test(); } } }