82 lines
2.6 KiB
Java
82 lines
2.6 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 8342330
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* @summary C2: "node pinned on loop exit test?" assert failure
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* @requires vm.flavor == "server"
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*
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* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:-TieredCompilation
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* -XX:-UseLoopPredicate -XX:LoopMaxUnroll=0 TestSunkRangeFromPreLoopRCE
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*
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*/
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import java.util.Arrays;
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public class TestSunkRangeFromPreLoopRCE {
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private static int[] array = new int[1000];
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private static A objectField = new A(42);
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public static void main(String[] args) {
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boolean[] allTrue = new boolean[1000];
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Arrays.fill(allTrue, true);
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boolean[] allFalse = new boolean[1000];
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for (int i = 0; i < 20_000; i++) {
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test1(array.length/4, allTrue, 1, 0);
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test1(array.length/4, allFalse, 1, 0);
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}
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}
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private static int test1(int stop, boolean[] flags, int otherScale, int x) {
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int scale;
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for (scale = 0; scale < 4; scale++) {
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for (int i = 0; i < 10; i++) {
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}
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}
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if (array == null) {
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}
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int v = 0;
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for (int i = 0; i < stop; i++) {
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v += array[i];
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v += array[scale * i];
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if (i * scale + (objectField.intField + 1) == x) {
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}
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v += (scale - 4) * (x-objectField.intField);
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if (flags[i]) {
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return (x-objectField.intField);
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}
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}
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return v;
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}
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private static class A {
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A(int field) {
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intField = field;
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}
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public int intField;
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}
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}
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