64 lines
2.3 KiB
Java
64 lines
2.3 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 8308103
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* @summary Massive (up to ~30x) increase in C2 compilation time since JDK 17
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* @run main/othervm -Xcomp -XX:CompileOnly=TestSinkingNodesCausesLongCompilation::mainTest -XX:+UnlockDiagnosticVMOptions
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* -XX:RepeatCompilation=30 TestSinkingNodesCausesLongCompilation
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*/
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public class TestSinkingNodesCausesLongCompilation {
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public static final int N = 400;
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public static int iFld=41489;
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public void mainTest(String[] strArr1) {
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int i9=-13, i10=-248, i11=-4, i13=33, i15=-171, i18=-58, iArr2[]=new int[N];
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for (i9 = 7; i9 < 256; i9++) {
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i11 = 1;
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do {
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} while (++i11 < 101);
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}
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for (int i14 : iArr2) {
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for (i15 = 63; 0 < i15; i15 -= 2) {
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i10 *= i13;
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i10 >>= i14;
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}
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for (i18 = 2; 63 > i18; i18++) {
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i10 = iFld;
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iArr2[i18] |= i11;
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}
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}
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System.out.println("i9 = " + i9);
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}
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public static void main(String[] strArr) {
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TestSinkingNodesCausesLongCompilation _instance = new TestSinkingNodesCausesLongCompilation();
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for (int i = 0; i < 10; i++) {
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_instance.mainTest(strArr);
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}
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}
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}
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