102 lines
4.6 KiB
Java
102 lines
4.6 KiB
Java
/*
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* Copyright (c) 2017, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8136421
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* @requires vm.jvmci & (vm.opt.TieredStopAtLevel == null | vm.opt.TieredStopAtLevel == 4)
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* @library / /test/lib
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* ../common/patches
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* @modules java.base/jdk.internal.misc
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* java.base/jdk.internal.org.objectweb.asm
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* java.base/jdk.internal.org.objectweb.asm.tree
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* jdk.internal.vm.ci/jdk.vm.ci.hotspot
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* jdk.internal.vm.ci/jdk.vm.ci.code
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* jdk.internal.vm.ci/jdk.vm.ci.meta
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* jdk.internal.vm.ci/jdk.vm.ci.runtime
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*
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* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
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* jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Xbatch -XX:CompileThresholdScaling=1.0
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* -XX:CompileCommand=dontinline,compiler.jvmci.common.testcases.SimpleClass::testMethod
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* compiler.jvmci.compilerToVM.IsMatureVsReprofileTest
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*/
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package compiler.jvmci.compilerToVM;
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import compiler.jvmci.common.CTVMUtilities;
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import compiler.jvmci.common.testcases.SimpleClass;
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import jdk.vm.ci.hotspot.CompilerToVMHelper;
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import jdk.test.lib.Asserts;
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import jdk.test.whitebox.WhiteBox;
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import compiler.whitebox.CompilerWhiteBoxTest;
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import java.lang.reflect.Executable;
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import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
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import jdk.test.lib.Platform;
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public class IsMatureVsReprofileTest {
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private static final WhiteBox WB = WhiteBox.getWhiteBox();
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private static final boolean TIERED = WB.getBooleanVMFlag("TieredCompilation");
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private static final boolean IS_XCOMP = Platform.isComp();
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public static void main(String[] args) throws Exception {
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new IsMatureVsReprofileTest().test();
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}
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public void test() throws Exception {
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SimpleClass sclass = new SimpleClass();
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Executable method = SimpleClass.class.getDeclaredMethod("testMethod");
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long metaspaceMethodData = WB.getMethodData(method);
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Asserts.assertEQ(metaspaceMethodData, 0L, "MDO should be null for a "
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+ "never invoked method");
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boolean isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
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Asserts.assertFalse(isMature, "null MDO can't be mature");
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for (int i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) {
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sclass.testMethod();
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}
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Asserts.assertTrue(WB.isMethodCompiled(method),
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"Method should be compiled");
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metaspaceMethodData = WB.getMethodData(method);
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Asserts.assertNE(metaspaceMethodData, 0L,
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"Multiple times invoked method should have MDO");
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isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
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/* a method is not mature for -Xcomp and -Tiered,
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see NonTieredCompPolicy::is_mature */
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Asserts.assertEQ(!IS_XCOMP, isMature,
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"Unexpected isMature state for compiled method");
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HotSpotResolvedJavaMethod resolvedMethod
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= CTVMUtilities.getResolvedMethod(method);
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CompilerToVMHelper.reprofile(resolvedMethod);
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Asserts.assertFalse(WB.isMethodCompiled(method),
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"Unexpected method compilation state after reprofile");
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metaspaceMethodData = WB.getMethodData(method);
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isMature = CompilerToVMHelper.isMature(metaspaceMethodData);
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Asserts.assertNE(metaspaceMethodData, 0L,
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"Got null MDO after reprofile");
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Asserts.assertFalse(isMature,
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"Got unexpected isMature state after reprofiling");
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}
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}
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