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/*
* Copyright Amazon.com Inc. or its affiliates. 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 id=C1
* @bug 8280481
* @summary Checks that stubs to the interpreter can be shared for static or final method.
* @library /test/lib
* @requires vm.opt.TieredStopAtLevel == null & vm.opt.TieredCompilation == null
* @requires vm.simpleArch == "x86" | vm.simpleArch == "x64" | vm.simpleArch == "aarch64" | vm.simpleArch == "riscv64"
* @requires vm.debug
* @run driver compiler.sharedstubs.SharedStubToInterpTest -XX:TieredStopAtLevel=1
*
* @test id=C2
* @requires vm.opt.TieredStopAtLevel == null & vm.opt.TieredCompilation == null
* @requires vm.simpleArch == "x86" | vm.simpleArch == "x64" | vm.simpleArch == "aarch64" | vm.simpleArch == "riscv64"
* @requires vm.debug
* @requires !vm.graal.enabled
* @run driver compiler.sharedstubs.SharedStubToInterpTest -XX:-TieredCompilation
*
*/
package compiler.sharedstubs;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
public class SharedStubToInterpTest {
private final static int ITERATIONS_TO_HEAT_LOOP = 20_000;
private static void runTest(String compiler, String test) throws Exception {
String testClassName = SharedStubToInterpTest.class.getName() + "$" + test;
ArrayList<String> command = new ArrayList<String>();
command.add(compiler);
command.add("-XX:+UnlockDiagnosticVMOptions");
command.add("-Xbatch");
command.add("-XX:+PrintRelocations");
command.add("-XX:CompileCommand=compileonly," + testClassName + "::" + "test");
command.add("-XX:CompileCommand=dontinline," + testClassName + "::" + "test");
command.add("-XX:CompileCommand=print," + testClassName + "::" + "test");
command.add("-XX:CompileCommand=exclude," + testClassName + "::" + "log01");
command.add("-XX:CompileCommand=dontinline," + testClassName + "::" + "log01");
command.add("-XX:CompileCommand=exclude," + testClassName + "::" + "log02");
command.add("-XX:CompileCommand=dontinline," + testClassName + "::" + "log02");
command.add(testClassName);
ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder(command);
OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
analyzer.shouldHaveExitValue(0);
System.out.println(analyzer.getOutput());
checkOutput(analyzer);
}
public static void main(String[] args) throws Exception {
String[] methods = new String[] { "StaticMethodTest", "FinalClassTest", "FinalMethodTest"};
for (String methodName : methods) {
runTest(args[0], methodName);
}
}
private static void checkOutput(OutputAnalyzer output) {
List<String> addrs = Pattern.compile("\\(static_stub\\) addr=(\\w+) .*\\[static_call=")
.matcher(output.getStdout())
.results()
.map(m -> m.group(1))
.toList();
if (addrs.stream().distinct().count() >= addrs.size()) {
throw new RuntimeException("No static stubs reused: distinct " + addrs.stream().distinct().count() + ", in total " + addrs.size());
}
}
public static class StaticMethodTest {
static void log01(int i) {
}
static void log02(int i) {
}
static void test(int i) {
if (i % 3 == 0) {
log01(i);
log02(i);
} else {
log01(i);
log02(i);
}
}
public static void main(String[] args) {
for (int i = 1; i < ITERATIONS_TO_HEAT_LOOP; ++i) {
test(i);
}
}
}
public static final class FinalClassTest {
void log01(int i) {
}
void log02(int i) {
}
void test(int i) {
if (i % 3 == 0) {
log01(i);
log02(i);
} else {
log01(i);
log02(i);
}
}
public static void main(String[] args) {
FinalClassTest tFC = new FinalClassTest();
for (int i = 1; i < ITERATIONS_TO_HEAT_LOOP; ++i) {
tFC.test(i);
}
}
}
public static class FinalMethodTest {
final void log01(int i) {
}
final void log02(int i) {
}
void test(int i) {
if (i % 3 == 0) {
log01(i);
log02(i);
} else {
log01(i);
log02(i);
}
}
public static void main(String[] args) {
FinalMethodTest tFM = new FinalMethodTest();
for (int i = 1; i < ITERATIONS_TO_HEAT_LOOP; ++i) {
tFM.test(i);
}
}
}
}
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