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/*
* Copyright (c) 2021, 2024, Huawei Technologies Co., Ltd. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8261137
* @requires vm.flagless
* @requires vm.debug == true & vm.compiler2.enabled
* @summary Verify that box object is scalarized in case it is directly referenced by debug info.
* @library /test/lib
*
* @run driver compiler.eliminateAutobox.TestEliminateBoxInDebugInfo
*/
package compiler.eliminateAutobox;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
public class TestEliminateBoxInDebugInfo {
public static void runTest() throws Exception {
String[] arguments = {
"-XX:CompileCommand=compileonly,compiler/eliminateAutobox/TestEliminateBoxInDebugInfo$Test.foo",
"-XX:CompileCommand=dontinline,compiler/eliminateAutobox/TestEliminateBoxInDebugInfo$Test.black",
"-Xbatch",
"-XX:+PrintEliminateAllocations",
Test.class.getName()
};
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(arguments);
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldHaveExitValue(0)
.stdoutShouldContain("++++ Eliminated: ");
}
public static void main(String[] args) throws Exception {
runTest();
}
static class Test {
public static void main(String[] args) throws Exception {
// warmup
for (int i = 0; i < 100000; i++) {
foo(1000 + (i % 1000));
}
}
public static int foo(int value) {
Integer ii = Integer.valueOf(value);
int sum = 0;
if (value > 999) {
sum += ii.intValue();
}
black();
return sum;
}
public static void black() {}
}
}
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