| /* |
| * Copyright (c) 2015, 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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" |
| * @library / /testlibrary /../../test/lib |
| * @ignore 8139703 |
| * @compile ../common/CompilerToVMHelper.java |
| * @build sun.hotspot.WhiteBox MaterializeVirtualObjectTest |
| * @run main ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * jdk.vm.ci.hotspot.CompilerToVMHelper |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -XX:CompileCommand=exclude,*::check -XX:+DoEscapeAnalysis -Xbatch |
| * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=false |
| * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -XX:CompileCommand=exclude,*::check -XX:+DoEscapeAnalysis -Xbatch |
| * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=true |
| * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.common.CTVMUtilities; |
| import compiler.testlibrary.CompilerUtils; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import jdk.test.lib.Asserts; |
| import sun.hotspot.WhiteBox; |
| import java.lang.reflect.Method; |
| import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; |
| import jdk.vm.ci.hotspot.HotSpotStackFrameReference; |
| |
| public class MaterializeVirtualObjectTest { |
| private static final WhiteBox WB = WhiteBox.getWhiteBox(); |
| private static final Method METHOD; |
| private static final HotSpotResolvedJavaMethodImpl RESOLVED_METHOD; |
| private static final boolean INVALIDATE = Boolean.getBoolean( |
| "compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate"); |
| |
| static { |
| try { |
| METHOD = MaterializeVirtualObjectTest.class.getDeclaredMethod( |
| "testFrame", String.class, boolean.class); |
| } catch (NoSuchMethodException e) { |
| throw new Error("Can't get executable for test method", e); |
| } |
| RESOLVED_METHOD = CTVMUtilities.getResolvedMethod(METHOD); |
| } |
| |
| public static void main(String[] args) { |
| int levels[] = CompilerUtils.getAvailableCompilationLevels(); |
| // we need compilation level 4 to use EscapeAnalysis |
| if (levels.length < 1 || levels[levels.length - 1] != 4) { |
| System.out.println("INFO: Test needs compilation level 4 to" |
| + " be available. Skipping."); |
| } else { |
| new MaterializeVirtualObjectTest().test(); |
| } |
| } |
| |
| private static String getName() { |
| return "CASE: invalidate=" + INVALIDATE; |
| } |
| |
| private void test() { |
| System.out.println(getName()); |
| Asserts.assertFalse(WB.isMethodCompiled(METHOD), getName() |
| + " : method unexpectedly compiled"); |
| /* need to call testFrame at least once to be able to compile it, so |
| calling with materialize=false, because testFrame is not compiled */ |
| testFrame("someString", /* materialize= */ false); |
| WB.enqueueMethodForCompilation(METHOD, 4); |
| Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName() |
| + "Method unexpectedly not compiled"); |
| // calling with materialize=true to materialize compiled testFrame |
| testFrame("someString", /* materialize= */ true); |
| } |
| |
| private void testFrame(String str, boolean materialize) { |
| Helper helper = new Helper(str); |
| check(materialize); |
| Asserts.assertTrue((helper.string != null) && (this != null) |
| && (helper != null), getName() + " : some locals are null"); |
| } |
| |
| private void check(boolean materialize) { |
| // Materialize virtual objects on last invocation |
| if (materialize) { |
| HotSpotStackFrameReference hsFrame = CompilerToVMHelper |
| .getNextStackFrame(/* topmost frame */ null, |
| new HotSpotResolvedJavaMethodImpl[]{ |
| RESOLVED_METHOD}, /* don't skip any */ 0); |
| Asserts.assertNotNull(hsFrame, getName() + " : got null frame"); |
| Asserts.assertTrue(WB.isMethodCompiled(METHOD), getName() |
| + "Test method should be compiled"); |
| Asserts.assertTrue(hsFrame.hasVirtualObjects(), getName() |
| + ": has no virtual object before materialization"); |
| CompilerToVMHelper.materializeVirtualObjects(hsFrame, INVALIDATE); |
| Asserts.assertFalse(hsFrame.hasVirtualObjects(), getName() |
| + " : has virtual object after materialization"); |
| Asserts.assertEQ(WB.isMethodCompiled(METHOD), !INVALIDATE, getName() |
| + " : unexpected compiled status"); |
| } |
| } |
| |
| private class Helper { |
| public String string; |
| |
| public Helper(String s) { |
| this.string = s; |
| } |
| } |
| } |