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69 lines
2.1 KiB
Java
69 lines
2.1 KiB
Java
/*
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* Copyright (c) 2024, Red Hat, Inc. 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 8346184
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* @summary C2: assert(has_node(i)) failed during split thru phi
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*
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* @run main/othervm -XX:-BackgroundCompilation TestLoadSplitThruPhiNull
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* @run main/othervm -XX:-BackgroundCompilation -XX:-ReduceFieldZeroing TestLoadSplitThruPhiNull
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* @run main TestLoadSplitThruPhiNull
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*
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*/
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public class TestLoadSplitThruPhiNull {
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private static Object[] fieldArray;
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private static Object fieldObject;
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public static void main(String[] args) {
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for (int i = 0; i < 20_000; i++) {
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test1(true);
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test1(false);
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}
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}
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private static Object test1(boolean flag) {
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for (int i = 0; i < 10; i++) {
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for (int j = 0; j < 10; j++) {
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for (int k = 0; k < 10; k++) {
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}
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}
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}
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Object[] array = new Object[10];
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fieldArray = array;
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int i;
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for (i = 0; i < 10; i++) {
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for (int j = 0; j < 10; j++) {
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}
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}
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Object v = array[i-10];
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if (flag) {
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array[0] = new Object();
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}
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return array[i-10];
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}
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}
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