8234541: C1 emits an empty message when it inlines successfully
Summary: Use "inline" as the message when successfull
Reviewed-by: thartmann, mdoerr
Contributed-by: navy.xliu@gmail.com
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* under the terms of the GNU General Public License version 2 only, as
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*
* 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
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* questions.
*/
package org.openjdk.bench.java.lang.invoke;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import java.lang.invoke.ConstantCallSite;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.lang.invoke.MutableCallSite;
import java.lang.invoke.VolatileCallSite;
import java.util.concurrent.TimeUnit;
/**
* This benchmark evaluates INDY performance when call sites are not changed.
*/
@BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Thread)
public class CallSiteStable {
/*
* Implementation notes:
* - Test is calling simple method via INDY
* - Additional baseline includes "raw" test, calling target method directly in virtual and static modes
*/
private static java.lang.invoke.CallSite cs;
private static MethodHandle doCallMH;
static {
try {
doCallMH = MethodHandles.lookup().findVirtual(CallSiteStable.class, "doCall", MethodType.methodType(int.class, int.class));
} catch (NoSuchMethodException | IllegalAccessException e) {
throw new IllegalStateException(e);
}
}
private int i;
public int doCall(int value) {
return value + 1;
}
public static int doCallStatic(int value) {
return value + 1;
}
@Benchmark
public void baselineVirtual() {
i = doCall(i);
}
@Benchmark
public void baselineStatic() {
i = doCallStatic(i);
}
@Benchmark
public void testConstant() throws Throwable {
i = (int) INDY_Constant().invokeExact(this, i);
}
@Benchmark
public void testMutable() throws Throwable {
i = (int) INDY_Mutable().invokeExact(this, i);
}
@Benchmark
public void testVolatile() throws Throwable {
i = (int) INDY_Volatile().invokeExact(this, i);
}
/* =========================== INDY TRAMPOLINES ============================== */
private static MethodType MT_bsm() {
shouldNotCallThis();
return MethodType.methodType(java.lang.invoke.CallSite.class, MethodHandles.Lookup.class, String.class, MethodType.class);
}
private static MethodHandle MH_bsm_Constant() throws ReflectiveOperationException {
shouldNotCallThis();
return MethodHandles.lookup().findStatic(MethodHandles.lookup().lookupClass(), "bsm_Constant", MT_bsm());
}
private static MethodHandle MH_bsm_Mutable() throws ReflectiveOperationException {
shouldNotCallThis();
return MethodHandles.lookup().findStatic(MethodHandles.lookup().lookupClass(), "bsm_Mutable", MT_bsm());
}
private static MethodHandle MH_bsm_Volatile() throws ReflectiveOperationException {
shouldNotCallThis();
return MethodHandles.lookup().findStatic(MethodHandles.lookup().lookupClass(), "bsm_Volatile", MT_bsm());
}
private static MethodHandle INDY_Constant() throws Throwable {
shouldNotCallThis();
return ((java.lang.invoke.CallSite) MH_bsm_Constant().invoke(MethodHandles.lookup(), "doCall", MethodType.methodType(int.class, CallSiteStable.class, int.class))).dynamicInvoker();
}
private static MethodHandle INDY_Mutable() throws Throwable {
shouldNotCallThis();
return ((java.lang.invoke.CallSite) MH_bsm_Mutable().invoke(MethodHandles.lookup(), "doCall", MethodType.methodType(int.class, CallSiteStable.class, int.class))).dynamicInvoker();
}
private static MethodHandle INDY_Volatile() throws Throwable {
shouldNotCallThis();
return ((java.lang.invoke.CallSite) MH_bsm_Volatile().invoke(MethodHandles.lookup(), "doCall", MethodType.methodType(int.class, CallSiteStable.class, int.class))).dynamicInvoker();
}
public static java.lang.invoke.CallSite bsm_Constant(MethodHandles.Lookup lookup, String name, MethodType type) {
synchronized (CallSiteStable.class) {
if (cs == null)
cs = new ConstantCallSite(doCallMH);
return cs;
}
}
public static java.lang.invoke.CallSite bsm_Mutable(MethodHandles.Lookup lookup, String name, MethodType type) {
synchronized (CallSiteStable.class) {
if (cs == null)
cs = new MutableCallSite(doCallMH);
return cs;
}
}
public static java.lang.invoke.CallSite bsm_Volatile(MethodHandles.Lookup lookup, String name, MethodType type) {
synchronized (CallSiteStable.class) {
if (cs == null)
cs = new VolatileCallSite(doCallMH);
return cs;
}
}
private static void shouldNotCallThis() {
// if this gets called, the transformation has not taken place
throw new AssertionError("this code should be statically transformed away by Indify");
}
}