83 lines
2.4 KiB
Java
83 lines
2.4 KiB
Java
/*
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* Copyright (c) 2023, 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 8303511
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* @summary C2: assert(get_ctrl(n) == cle_out) during unrolling
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* @requires vm.gc.Parallel
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* @run main/othervm -XX:-BackgroundCompilation -XX:+UseParallelGC TestAddPAtOuterLoopHead
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*/
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import java.util.Arrays;
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public class TestAddPAtOuterLoopHead {
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public static void main(String[] args) {
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boolean[] flags1 = new boolean[1000];
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boolean[] flags2 = new boolean[1000];
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Arrays.fill(flags2, true);
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for (int i = 0; i < 20_000; i++) {
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testHelper(42, 42, 43);
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test(flags1);
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test(flags2);
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}
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}
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private static int test(boolean[] flags) {
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int[] array = new int[1000];
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int k;
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for (k = 0; k < 10; k++) {
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for (int i = 0; i < 2; i++) {
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}
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}
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k = k / 10;
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int m;
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for (m = 0; m < 2; m++) {
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for (int i = 0; i < 2; i++) {
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for (int j = 0; j < 2; j++) {
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}
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}
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}
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int v = 0;
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for (int j = 0; j < 2; j++) {
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for (int i = 0; i < 998; i += k) {
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int l = testHelper(m, j, i);
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v = array[i + l];
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if (flags[i]) {
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return v;
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}
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}
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}
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return v;
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}
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private static int testHelper(int m, int j, int i) {
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return m == 2 ? j : i;
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}
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}
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