68 lines
2.3 KiB
Java
68 lines
2.3 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 8331575
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* @summary C2: crash when ConvL2I is split thru phi at LongCountedLoop
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* @run main/othervm -XX:-BackgroundCompilation -XX:-TieredCompilation -XX:-UseOnStackReplacement
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* -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM -XX:StressSeed=92643864 TestLongCountedLoopConvL2I
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* @run main/othervm -XX:-BackgroundCompilation -XX:-TieredCompilation -XX:-UseOnStackReplacement
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* -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM TestLongCountedLoopConvL2I
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* @run main/othervm -XX:-BackgroundCompilation -XX:-TieredCompilation
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* -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM TestLongCountedLoopConvL2I
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*/
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public class TestLongCountedLoopConvL2I {
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private static volatile int volatileField;
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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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testHelper1(42);
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test1(0);
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}
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}
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private static int test1(int res) {
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int k = 1;
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for (; k < 2; k *= 2) {
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}
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long i = testHelper1(k);
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for (; i > 0; i--) {
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res += 42 / ((int) i);
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for (int j = 1; j < 10; j *= 2) {
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}
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}
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return res;
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}
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private static long testHelper1(int k) {
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if (k == 2) {
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return 100;
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} else {
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return 99;
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}
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}
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}
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