1 /* 2 * Copyright (c) 2015, 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 (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64") 28 * @library / /testlibrary /test/lib 29 * ../common/patches 30 * @modules java.base/jdk.internal.misc 31 * jdk.vm.ci/jdk.vm.ci.hotspot 32 * 33 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 34 * compiler.jvmci.compilerToVM.IsMatureTest 35 * sun.hotspot.WhiteBox 36 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 37 * sun.hotspot.WhiteBox$WhiteBoxPermission 38 * @run main/othervm -Xbootclasspath/a:. 39 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 40 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 41 * compiler.jvmci.compilerToVM.IsMatureTest 42 */ 43 44 package compiler.jvmci.compilerToVM; 45 46 import compiler.jvmci.common.testcases.SimpleClass; 47 import compiler.whitebox.CompilerWhiteBoxTest; 48 import jdk.test.lib.Asserts; 49 import jdk.test.lib.Platform; 50 import jdk.vm.ci.hotspot.CompilerToVMHelper; 51 import sun.hotspot.WhiteBox; 52 53 import java.lang.reflect.Executable; 54 55 public class IsMatureTest { 56 private static final WhiteBox WB = WhiteBox.getWhiteBox(); 57 private static final boolean TIERED 58 = WB.getBooleanVMFlag("TieredCompilation"); 59 60 public static void main(String[] args) throws Exception { 61 new IsMatureTest().test(); 62 } 63 64 public void test() throws Exception { 65 SimpleClass sclass = new SimpleClass(); 66 Executable method = SimpleClass.class.getDeclaredMethod("testMethod"); 67 long methodData = WB.getMethodData(method); 68 boolean isMature = CompilerToVMHelper.isMature(methodData); 69 Asserts.assertEQ(methodData, 0L, 70 "Never invoked method can't have method data"); 71 Asserts.assertFalse(isMature, "Never invoked method can't be mature"); 72 for (int i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) { 73 sclass.testMethod(); 74 } 75 methodData = WB.getMethodData(method); 76 isMature = CompilerToVMHelper.isMature(methodData); 77 int compLevel = WB.getMethodCompilationLevel(method); 78 // methodData doesn't necessarily exist for interpreter and compilation level 1 79 if (compLevel != CompilerWhiteBoxTest.COMP_LEVEL_NONE 80 && compLevel != CompilerWhiteBoxTest.COMP_LEVEL_SIMPLE) { 81 Asserts.assertNE(methodData, 0L, 82 "Multiple times invoked method should have method data"); 83 /* a method is not mature in Xcomp mode with tiered compilation disabled, 84 see NonTieredCompPolicy::is_mature */ 85 Asserts.assertEQ(isMature, !(Platform.isComp() && !TIERED), 86 "Unexpected isMature state for multiple times invoked method"); 87 } 88 } 89 }