71 lines
2.7 KiB
Java
71 lines
2.7 KiB
Java
/*
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* Copyright (c) 2020, 2024, Oracle and/or its affiliates. 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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package compiler.debug;
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import java.nio.file.Paths;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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/*
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* @test
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* @key stress randomness
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* @bug 8252219 8256535
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* @requires vm.compiler2.enabled
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* @summary Tests that using a stress option without -XX:StressSeed=N generates
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* and logs a random seed.
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* @library /test/lib /
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* @run driver compiler.debug.TestGenerateStressSeed StressLCM
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* @run driver compiler.debug.TestGenerateStressSeed StressGCM
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* @run driver compiler.debug.TestGenerateStressSeed StressIGVN
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* @run driver compiler.debug.TestGenerateStressSeed StressCCP
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* @run driver compiler.debug.TestGenerateStressSeed StressMacroExpansion
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*/
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public class TestGenerateStressSeed {
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static void sum(int n) {
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int acc = 0;
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for (int i = 0; i < n; i++) acc += i;
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System.out.println(acc);
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}
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public static void main(String[] args) throws Exception {
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if (args[0].startsWith("Stress")) {
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String className = TestGenerateStressSeed.class.getName();
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String stressOpt = args[0];
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String log = "test.log";
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String[] procArgs = {
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"-Xcomp", "-XX:-TieredCompilation", "-XX:+UnlockDiagnosticVMOptions",
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"-XX:CompileOnly=" + className + "::sum", "-XX:+" + stressOpt,
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"-XX:+LogCompilation", "-XX:LogFile=" + log, className, "10"};
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new OutputAnalyzer(ProcessTools.createLimitedTestJavaProcessBuilder(procArgs).start())
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.shouldHaveExitValue(0);
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new OutputAnalyzer(Paths.get(log))
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.shouldContain("stress_test seed");
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} else {
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sum(Integer.parseInt(args[0]));
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}
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}
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}
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