f7a65b7fff
Remove unnecessary preparation to profile the holder of a static method called by a method handle in C1. Reviewed-by: thartmann, kvn
70 lines
2.1 KiB
Java
70 lines
2.1 KiB
Java
/*
|
|
* 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() {}
|
|
}
|