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/*
* Copyright (c) 2017, 2025, 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 & (vm.opt.TieredStopAtLevel == null | vm.opt.TieredStopAtLevel == 4)
* @library / /test/lib
* ../common/patches
* @library /testlibrary/asm
* @modules java.base/jdk.internal.misc
* jdk.internal.vm.ci/jdk.vm.ci.hotspot
* jdk.internal.vm.ci/jdk.vm.ci.code
* jdk.internal.vm.ci/jdk.vm.ci.meta
* jdk.internal.vm.ci/jdk.vm.ci.runtime
*
* @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 -Xbatch -XX:CompileThresholdScaling=1.0
* -XX:CompileCommand=dontinline,compiler.jvmci.common.testcases.SimpleClass::testMethod
* compiler.jvmci.compilerToVM.IsMatureVsReprofileTest
*/
package compiler.jvmci.compilerToVM;
import compiler.jvmci.common.CTVMUtilities;
import compiler.jvmci.common.testcases.SimpleClass;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.test.lib.Asserts;
import jdk.test.whitebox.WhiteBox;
import compiler.whitebox.CompilerWhiteBoxTest;
import java.lang.reflect.Executable;
import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
import jdk.test.lib.Platform;
public class IsMatureVsReprofileTest {
private static final WhiteBox WB = WhiteBox.getWhiteBox();
private static final boolean TIERED = WB.getBooleanVMFlag("TieredCompilation");
private static final boolean IS_XCOMP = Platform.isComp();
public static void main(String[] args) throws Exception {
new IsMatureVsReprofileTest().test();
}
public void test() throws Exception {
SimpleClass sclass = new SimpleClass();
Executable method = SimpleClass.class.getDeclaredMethod("testMethod");
long metaspaceMethodData = WB.getMethodData(method);
Asserts.assertEQ(metaspaceMethodData, 0L, "MDO should be null for a "
+ "never invoked method");
boolean isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
Asserts.assertFalse(isMature, "null MDO can't be mature");
for (int i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) {
sclass.testMethod();
}
Asserts.assertTrue(WB.isMethodCompiled(method),
"Method should be compiled");
metaspaceMethodData = WB.getMethodData(method);
Asserts.assertNE(metaspaceMethodData, 0L,
"Multiple times invoked method should have MDO");
isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
/* a method is not mature for -Xcomp and -Tiered,
see NonTieredCompPolicy::is_mature */
Asserts.assertEQ(!IS_XCOMP, isMature,
"Unexpected isMature state for compiled method");
HotSpotResolvedJavaMethod resolvedMethod
= CTVMUtilities.getResolvedMethod(method);
CompilerToVMHelper.reprofile(resolvedMethod);
Asserts.assertFalse(WB.isMethodCompiled(method),
"Unexpected method compilation state after reprofile");
metaspaceMethodData = WB.getMethodData(method);
isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
Asserts.assertNE(metaspaceMethodData, 0L,
"Got null MDO after reprofile");
Asserts.assertFalse(isMature,
"Got unexpected isMature state after reprofiling");
}
}
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