84 lines
3.1 KiB
Java
84 lines
3.1 KiB
Java
/*
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* Copyright (c) 2020, 2023, 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 jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.Asserts;
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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.debug == true & vm.compiler2.enabled
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* @summary Tests that stress compilations with the same seed yield the same
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* IGVN and CCP traces.
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* @library /test/lib /
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* @run driver compiler.debug.TestStressIGVNAndCCP
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*/
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public class TestStressIGVNAndCCP {
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static String phaseTrace(String stressOption, String traceOption,
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int stressSeed) throws Exception {
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String className = TestStressIGVNAndCCP.class.getName();
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String[] procArgs = {
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"-Xcomp", "-XX:-TieredCompilation", "-XX:-Inline", "-XX:+CICountNative",
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"-XX:CompileOnly=" + className + "::sum", "-XX:+" + traceOption,
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"-XX:+" + stressOption, "-XX:StressSeed=" + stressSeed,
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className, "10"};
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(procArgs);
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OutputAnalyzer out = new OutputAnalyzer(pb.start());
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out.shouldHaveExitValue(0);
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return out.getStdout();
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}
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static String igvnTrace(int stressSeed) throws Exception {
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return phaseTrace("StressIGVN", "TraceIterativeGVN", stressSeed);
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}
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static String ccpTrace(int stressSeed) throws Exception {
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return phaseTrace("StressCCP", "TracePhaseCCP", stressSeed);
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}
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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.length == 0) {
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for (int s = 0; s < 10; s++) {
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Asserts.assertEQ(igvnTrace(s), igvnTrace(s),
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"got different IGVN traces for the same seed");
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Asserts.assertEQ(ccpTrace(s), ccpTrace(s),
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"got different CCP traces for the same seed");
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}
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} else if (args.length > 0) {
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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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