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/*
* Copyright (c) 2014, 2024, 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 8041458
* @summary profiling of arguments in C1 at MethodHandle invoke of intrinsic tries to profile popped argument.
*
* @requires vm.compMode != "Xcomp"
* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
* -XX:TieredStopAtLevel=3
* compiler.profiling.TestMethodHandleInvokesIntrinsic
*
*/
package compiler.profiling;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
public class TestMethodHandleInvokesIntrinsic {
static final MethodHandle mh_nanoTime;
static final MethodHandle mh_getClass;
static {
MethodHandles.Lookup lookup = MethodHandles.lookup();
MethodType mt = MethodType.methodType(long.class);
MethodHandle MH = null;
try {
MH = lookup.findStatic(System.class, "nanoTime", mt);
} catch(NoSuchMethodException nsme) {
nsme.printStackTrace();
throw new RuntimeException("TEST FAILED", nsme);
} catch(IllegalAccessException iae) {
iae.printStackTrace();
throw new RuntimeException("TEST FAILED", iae);
}
mh_nanoTime = MH;
mt = MethodType.methodType(Class.class);
MH = null;
try {
MH = lookup.findVirtual(Object.class, "getClass", mt);
} catch(NoSuchMethodException nsme) {
nsme.printStackTrace();
throw new RuntimeException("TEST FAILED", nsme);
} catch(IllegalAccessException iae) {
iae.printStackTrace();
throw new RuntimeException("TEST FAILED", iae);
}
mh_getClass = MH;
}
static long m1() throws Throwable {
return (long)mh_nanoTime.invokeExact();
}
static Class m2(Object o) throws Throwable {
return (Class)mh_getClass.invokeExact(o);
}
static public void main(String[] args) {
try {
for (int i = 0; i < 20000; i++) {
m1();
}
TestMethodHandleInvokesIntrinsic o = new TestMethodHandleInvokesIntrinsic();
for (int i = 0; i < 20000; i++) {
m2(o);
}
} catch(Throwable t) {
System.out.println("Unexpected exception");
t.printStackTrace();
throw new RuntimeException("TEST FAILED", t);
}
System.out.println("TEST PASSED");
}
}
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