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/*
* Copyright (c) 2020, Oracle and/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
* @bug 8239083
* @summary Test invocation of static interface method with and without method handle with C1.
*
* @run main/othervm -Xbatch -XX:TieredStopAtLevel=3 compiler.c1.TestStaticInterfaceMethodCall
*/
package compiler.c1;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
public class TestStaticInterfaceMethodCall {
static final MethodHandle MH_m;
static {
try {
MH_m = MethodHandles.lookup().findStatic(MyInterface.class, "m", MethodType.methodType(void.class));
} catch (ReflectiveOperationException e) {
throw new BootstrapMethodError(e);
}
}
public static void main(String[] args) throws Throwable {
for (int i = 0; i < 20_000; i++) {
test_call_by_method_handle();
test_direct_call();
}
}
static void test_call_by_method_handle() throws Throwable {
MH_m.invokeExact();
}
static void test_direct_call() {
MyInterface.m();
}
}
interface MyInterface {
static void m() {}
}
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