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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64") 28 * @library / /testlibrary /test/lib 29 * @library ../common/patches 30 * @modules java.base/jdk.internal.misc 31 * @modules java.base/jdk.internal.org.objectweb.asm 32 * java.base/jdk.internal.org.objectweb.asm.tree 33 * jdk.vm.ci/jdk.vm.ci.hotspot 34 * jdk.vm.ci/jdk.vm.ci.code 35 * jdk.vm.ci/jdk.vm.ci.meta 36 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 37 * @build compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest 38 * @build sun.hotspot.WhiteBox 39 * @run main ClassFileInstaller sun.hotspot.WhiteBox 40 * sun.hotspot.WhiteBox$WhiteBoxPermission 41 * @run main/othervm -Xmixed -Xbootclasspath/a:. 42 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 43 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 44 * -XX:CompileCommand=exclude,*::check 45 * -XX:+DoEscapeAnalysis 46 * -Xbatch 47 * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=false 48 * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest 49 * @run main/othervm -Xmixed -Xbootclasspath/a:. 50 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 51 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 52 * -XX:CompileCommand=exclude,*::check 53 * -XX:+DoEscapeAnalysis 54 * -Xbatch 55 * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=true 56 * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest 57 */ 58 59 package compiler.jvmci.compilerToVM; 60 61 import java.lang.reflect.Method; 62 import jdk.vm.ci.hotspot.HotSpotStackFrameReference; 63 import jdk.vm.ci.meta.ResolvedJavaMethod; 64 import jdk.vm.ci.hotspot.CompilerToVMHelper; 65 import jdk.test.lib.Asserts; 66 67 import compiler.jvmci.common.CTVMUtilities; 68 import compiler.testlibrary.CompilerUtils; 69 import compiler.whitebox.CompilerWhiteBoxTest; 70 71 import sun.hotspot.WhiteBox; 72 73 public class MaterializeVirtualObjectTest { 74 private static final WhiteBox WB; 75 private static final Method METHOD; 76 private static final ResolvedJavaMethod RESOLVED_METHOD; 77 private static final boolean INVALIDATE; 78 79 static { 80 WB = WhiteBox.getWhiteBox(); 81 try { 82 METHOD = MaterializeVirtualObjectTest.class.getDeclaredMethod( 83 "testFrame", String.class, int.class); 84 } catch (NoSuchMethodException e) { 85 throw new Error("Can't get executable for test method", e); 86 } 87 RESOLVED_METHOD = CTVMUtilities.getResolvedMethod(METHOD); 88 INVALIDATE = Boolean.getBoolean( 89 "compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate"); 90 } 91 92 public static void main(String[] args) { 93 int levels[] = CompilerUtils.getAvailableCompilationLevels(); 94 // we need compilation level 4 to use EscapeAnalysis 95 if (levels.length < 1 || levels[levels.length - 1] != 4) { 96 System.out.println("INFO: Test needs compilation level 4 to" 97 + " be available. Skipping."); 98 } else { 99 new MaterializeVirtualObjectTest().test(); 100 } 101 } 102 103 private static String getName() { 104 return "CASE: invalidate=" + INVALIDATE; 105 } 106 107 private void test() { 108 System.out.println(getName()); 109 Asserts.assertFalse(WB.isMethodCompiled(METHOD), getName() 110 + " : method unexpectedly compiled"); 111 /* need to trigger compilation by multiple method invocations 112 in order to have method profile data to be gathered */ 113 boolean isTiered = WB.getBooleanVMFlag("TieredCompilation"); 114 int COMPILE_THRESHOLD = isTiered ? CompilerWhiteBoxTest.THRESHOLD 115 : CompilerWhiteBoxTest.THRESHOLD * 2; 116 for (int i = 0; i < COMPILE_THRESHOLD; i++) { 117 testFrame("someString", i); 118 } 119 Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName() 120 + "Method unexpectedly not compiled"); 121 testFrame("someString", CompilerWhiteBoxTest.THRESHOLD); 122 } 123 124 private void testFrame(String str, int iteration) { 125 Helper helper = new Helper(str); 126 check(iteration); 127 Asserts.assertTrue((helper.string != null) && (this != null) 128 && (helper != null), getName() + " : some locals are null"); 129 } 130 131 private void check(int iteration) { 132 // Materialize virtual objects on last invocation 133 if (iteration == CompilerWhiteBoxTest.THRESHOLD) { 134 HotSpotStackFrameReference hsFrame = CompilerToVMHelper 135 .getNextStackFrame(/* topmost frame */ null, 136 new ResolvedJavaMethod[]{ 137 RESOLVED_METHOD}, /* don't skip any */ 0); 138 Asserts.assertNotNull(hsFrame, getName() + " : got null frame"); 139 Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName() 140 + "Test method should be compiled"); 141 Asserts.assertTrue(hsFrame.hasVirtualObjects(), getName() 142 + ": has no virtual object before materialization"); 143 CompilerToVMHelper.materializeVirtualObjects(hsFrame, INVALIDATE); 144 Asserts.assertFalse(hsFrame.hasVirtualObjects(), getName() 145 + " : has virtual object after materialization"); 146 Asserts.assertEQ(WB.isMethodCompiled(METHOD), !INVALIDATE, getName() 147 + " : unexpected compiled status"); 148 } 149 } 150 151 private class Helper { 152 public String string; 153 154 public Helper(String s) { 155 this.string = s; 156 } 157 } 158 }