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/*
* Copyright (c) 2015, 2022, 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 8136421
* @requires vm.jvmci
* @library / /test/lib
* ../common/patches
* @modules java.base/jdk.internal.misc
* jdk.internal.vm.ci/jdk.vm.ci.hotspot
*
* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
* jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm -Xbootclasspath/a:.
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
* compiler.jvmci.compilerToVM.IsMatureTest
*/
package compiler.jvmci.compilerToVM;
import compiler.jvmci.common.testcases.SimpleClass;
import compiler.whitebox.CompilerWhiteBoxTest;
import jdk.test.lib.Asserts;
import jdk.test.lib.Platform;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.test.whitebox.WhiteBox;
import java.lang.reflect.Executable;
public class IsMatureTest {
private static final WhiteBox WB = WhiteBox.getWhiteBox();
private static final boolean TIERED
= WB.getBooleanVMFlag("TieredCompilation");
public static void main(String[] args) throws Exception {
new IsMatureTest().test();
}
public void test() throws Exception {
SimpleClass sclass = new SimpleClass();
Executable method = SimpleClass.class.getDeclaredMethod("testMethod");
long methodData = WB.getMethodData(method);
boolean isMature = CompilerToVMHelper.isMature(methodData);
Asserts.assertEQ(methodData, 0L,
"Never invoked method can't have method data");
Asserts.assertFalse(isMature, "Never invoked method can't be mature");
for (int i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) {
sclass.testMethod();
}
methodData = WB.getMethodData(method);
isMature = CompilerToVMHelper.isMature(methodData);
int compLevel = WB.getMethodCompilationLevel(method);
// methodData doesn't necessarily exist for interpreter and compilation level 1
if (compLevel != CompilerWhiteBoxTest.COMP_LEVEL_NONE
&& compLevel != CompilerWhiteBoxTest.COMP_LEVEL_SIMPLE) {
Asserts.assertNE(methodData, 0L,
"Multiple times invoked method should have method data");
// The method may or may not be mature if it's compiled with limited profile.
if (compLevel != CompilerWhiteBoxTest.COMP_LEVEL_LIMITED_PROFILE) {
Asserts.assertEQ(isMature, !Platform.isComp(),
"Unexpected isMature state for multiple times invoked method");
}
}
}
}
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