62 lines
1.9 KiB
Java
62 lines
1.9 KiB
Java
/*
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* Copyright (c) 2020, 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 8247824
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* @summary CTW: C2 (Shenandoah) compilation fails with SEGV in SBC2Support::pin_and_expand
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* @requires vm.flavor == "server"
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* @requires vm.gc.Shenandoah
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*
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* @run main/othervm -XX:-BackgroundCompilation -XX:+UseShenandoahGC -XX:LoopMaxUnroll=0 TestShenandoahLRBInOuterStripMinedLoop
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*
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*/
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import java.util.Arrays;
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public class TestShenandoahLRBInOuterStripMinedLoop {
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public static void main(String[] args) {
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A[] array = new A[4000];
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Arrays.fill(array, new A());
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for (int i = 0; i < 20_0000; i++) {
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test(array);
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}
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}
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private static int test(A[] array) {
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A a = null;
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int v = 1;
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A b = null;
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for (int i = 0; i < 2000; i++) {
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a = array[i];
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b = array[2*i];
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v *= 2;
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}
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return a.f + b.f + v;
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}
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private static class A {
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public int f;
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}
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}
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