jdk-24/test/hotspot/jtreg/compiler/blackhole/BlackholeNonVoidWarning.java
Aleksey Shipilev e590618962 8252505: C1/C2 compiler support for blackholes
Reviewed-by: vlivanov, aph
2020-12-06 17:43:34 +00:00

96 lines
3.1 KiB
Java

/*
* Copyright (c) 2020, Red Hat, Inc. 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
* @library /test/lib
* @build compiler.blackhole.BlackholeTarget
* @run driver compiler.blackhole.BlackholeNonVoidWarning
*/
package compiler.blackhole;
import java.io.IOException;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;
public class BlackholeNonVoidWarning {
private static final int CYCLES = 1_000_000;
private static final int TRIES = 10;
public static void main(String[] args) throws IOException {
if (args.length == 0) {
driver();
} else {
runner();
}
}
public static void driver() throws IOException {
final String msg = "blackhole compile command only works for methods with void type: compiler.blackhole.BlackholeTarget.bh_sr_int(I)I";
{
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-Xmx128m",
"-XX:CompileCommand=quiet",
"-XX:CompileCommand=blackhole,compiler/blackhole/BlackholeTarget.bh_*",
"compiler.blackhole.BlackholeNonVoidWarning",
"run"
);
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldHaveExitValue(0);
output.shouldContain(msg);
}
{
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-Xmx128m",
"-XX:-PrintWarnings",
"-XX:CompileCommand=quiet",
"-XX:CompileCommand=blackhole,compiler/blackhole/BlackholeTarget.bh_*",
"compiler.blackhole.BlackholeNonVoidWarning",
"run"
);
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldHaveExitValue(0);
output.shouldNotContain(msg);
}
}
public static void runner() {
for (int t = 0; t < TRIES; t++) {
run();
}
}
public static void run() {
for (int c = 0; c < CYCLES; c++) {
if (BlackholeTarget.bh_sr_int(c) != 0) {
throw new AssertionError("Return value error");
}
}
}
}