--- /dev/null 2017-01-16 16:16:40.559357864 +0300 +++ new/test/compiler/jvmci/compilerToVM/IsMatureVsReprofileTest.java 2017-02-14 17:21:54.063244806 +0300 @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2017, 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 + * java.base/jdk.internal.org.objectweb.asm + * java.base/jdk.internal.org.objectweb.asm.tree + * jdk.vm.ci/jdk.vm.ci.hotspot + * jdk.vm.ci/jdk.vm.ci.code + * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper + * sun.hotspot.WhiteBox + * @run driver ClassFileInstaller sun.hotspot.WhiteBox + * sun.hotspot.WhiteBox$WhiteBoxPermission + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions + * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -Xbatch + * 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 sun.hotspot.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 || TIERED, 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.assertEQ(TIERED && IS_XCOMP, isMature, + "Got unexpected isMature state after reprofiling"); + } +}