79 lines
2.7 KiB
Java
79 lines
2.7 KiB
Java
/*
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* Copyright (c) 2021, Huawei Technologies Co., Ltd. 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 8261137
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* @requires vm.flagless
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* @requires vm.debug == true & vm.compiler2.enabled
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* @summary Verify that box object is scalarized in case it is directly referenced by debug info.
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* @library /test/lib
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*
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* @run driver compiler.eliminateAutobox.TestEliminateBoxInDebugInfo
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*/
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package compiler.eliminateAutobox;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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public class TestEliminateBoxInDebugInfo {
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public static void runTest() throws Exception {
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String[] arguments = {
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"-XX:CompileCommand=compileonly,compiler/eliminateAutobox/TestEliminateBoxInDebugInfo$Test.foo",
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"-XX:CompileCommand=dontinline,compiler/eliminateAutobox/TestEliminateBoxInDebugInfo$Test.black",
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"-Xbatch",
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"-XX:+PrintEliminateAllocations",
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Test.class.getName()
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};
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(arguments);
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0)
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.stdoutShouldContain("++++ Eliminated: ");
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}
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public static void main(String[] args) throws Exception {
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runTest();
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}
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static class Test {
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public static void main(String[] args) throws Exception {
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// warmup
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for (int i = 0; i < 100000; i++) {
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foo(1000 + (i % 1000));
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}
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}
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public static int foo(int value) {
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Integer ii = Integer.valueOf(value);
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int sum = 0;
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if (value > 999) {
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sum += ii.intValue();
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}
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black();
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return sum;
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}
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public static void black() {}
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}
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}
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