1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 8136421 27 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64") 28 * @library / /testlibrary /test/lib 29 * @library ../common/patches 30 * @modules jdk.vm.ci.hotspot/jdk.vm.ci.hotspot 31 * @build jdk.vm.ci.hotspot/jdk.vm.ci.hotspot.CompilerToVMHelper 32 * @build compiler.jvmci.compilerToVM.IsMatureTest 33 * @build sun.hotspot.WhiteBox 34 * @run main ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. 37 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 38 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 39 * compiler.jvmci.compilerToVM.IsMatureTest 40 */ 41 42 package compiler.jvmci.compilerToVM; 43 44 import compiler.jvmci.common.testcases.SimpleClass; 45 import compiler.whitebox.CompilerWhiteBoxTest; 46 import jdk.vm.ci.hotspot.CompilerToVMHelper; 47 import jdk.test.lib.Asserts; 48 import sun.hotspot.WhiteBox; 49 50 import java.lang.reflect.Executable; 51 52 public class IsMatureTest { 53 private static final WhiteBox WB = WhiteBox.getWhiteBox(); 54 private static final boolean IS_XCOMP 55 = System.getProperty("java.vm.info").contains("compiled mode"); 56 private static final boolean TIERED 57 = WB.getBooleanVMFlag("TieredCompilation"); 58 59 public static void main(String[] args) throws Exception { 60 new IsMatureTest().test(); 61 } 62 63 public void test() throws Exception { 64 SimpleClass sclass = new SimpleClass(); 65 Executable method = SimpleClass.class.getDeclaredMethod("testMethod"); 66 long methodData = WB.getMethodData(method); 67 boolean isMature = CompilerToVMHelper.isMature(methodData); 68 Asserts.assertEQ(methodData, 0L, 69 "Never invoked method can't have method data"); 70 Asserts.assertFalse(isMature, "Never invoked method can't be mature"); 71 for (int i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) { 72 sclass.testMethod(); 73 } 74 methodData = WB.getMethodData(method); 75 isMature = CompilerToVMHelper.isMature(methodData); 76 Asserts.assertNE(methodData, 0L, 77 "Multiple times invoked method should have method data"); 78 /* a method is not mature for -Xcomp and -Tiered, 79 see NonTieredCompPolicy::is_mature */ 80 Asserts.assertEQ(isMature, !(IS_XCOMP && !TIERED), 81 "Unexpected isMature state for multiple times invoked method"); 82 } 83 }