| /* |
| * Copyright (c) 2015, 2016, 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 |
| * & (vm.compMode != "Xcomp" | vm.opt.TieredCompilation == null | vm.opt.TieredCompilation == true) |
| * @summary no "-Xcomp -XX:-TieredCompilation" combination allowed until JDK-8140018 is resolved |
| * @library / /test/lib |
| * @library ../common/patches |
| * @modules java.base/jdk.internal.misc |
| * @modules java.base/jdk.internal.org.objectweb.asm |
| * java.base/jdk.internal.org.objectweb.asm.tree |
| * jdk.internal.vm.ci/jdk.vm.ci.hotspot |
| * jdk.internal.vm.ci/jdk.vm.ci.code |
| * jdk.internal.vm.ci/jdk.vm.ci.meta |
| * |
| * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xmixed -Xbatch -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
| * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -XX:CompileCommand=exclude,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::check |
| * -XX:CompileCommand=dontinline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::testFrame |
| * -XX:CompileCommand=dontinline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::testFrame2 |
| * -XX:CompileCommand=inline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::recurse |
| * -XX:+DoEscapeAnalysis -XX:-UseCounterDecay |
| * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.materializeFirst=true |
| * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=false |
| * -Djvmci.Compiler=null |
| * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest |
| * @run main/othervm -Xmixed -Xbatch -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
| * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -XX:CompileCommand=exclude,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::check |
| * -XX:CompileCommand=dontinline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::testFrame |
| * -XX:CompileCommand=dontinline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::testFrame2 |
| * -XX:CompileCommand=inline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::recurse |
| * -XX:+DoEscapeAnalysis -XX:-UseCounterDecay |
| * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.materializeFirst=false |
| * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=false |
| * -Djvmci.Compiler=null |
| * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest |
| * @run main/othervm -Xmixed -Xbatch -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
| * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -XX:CompileCommand=exclude,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::check |
| * -XX:CompileCommand=dontinline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::testFrame |
| * -XX:CompileCommand=dontinline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::testFrame2 |
| * -XX:CompileCommand=inline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::recurse |
| * -XX:+DoEscapeAnalysis -XX:-UseCounterDecay |
| * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.materializeFirst=true |
| * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=true |
| * -Djvmci.Compiler=null |
| * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest |
| * @run main/othervm -Xmixed -Xbatch -Xbootclasspath/a:. |
| * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI |
| * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -XX:CompileCommand=exclude,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::check |
| * -XX:CompileCommand=dontinline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::testFrame |
| * -XX:CompileCommand=dontinline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::testFrame2 |
| * -XX:CompileCommand=inline,compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest::recurse |
| * -XX:+DoEscapeAnalysis -XX:-UseCounterDecay |
| * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.materializeFirst=false |
| * -Dcompiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate=true |
| * -Djvmci.Compiler=null |
| * compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.common.CTVMUtilities; |
| import compiler.testlibrary.CompilerUtils; |
| import compiler.whitebox.CompilerWhiteBoxTest; |
| import jdk.test.lib.Asserts; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import jdk.vm.ci.hotspot.HotSpotStackFrameReference; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import sun.hotspot.WhiteBox; |
| |
| import java.lang.reflect.Method; |
| |
| public class MaterializeVirtualObjectTest { |
| private static final WhiteBox WB; |
| private static final boolean INVALIDATE; |
| private static final int COMPILE_THRESHOLD; |
| private static final Method MATERIALIZED_METHOD; |
| private static final Method NOT_MATERIALIZED_METHOD; |
| private static final ResolvedJavaMethod MATERIALIZED_RESOLVED; |
| private static final ResolvedJavaMethod NOT_MATERIALIZED_RESOLVED; |
| private static final boolean MATERIALIZE_FIRST; |
| |
| static { |
| Method method1; |
| Method method2; |
| WB = WhiteBox.getWhiteBox(); |
| try { |
| method1 = MaterializeVirtualObjectTest.class.getDeclaredMethod("testFrame", |
| String.class, int.class); |
| method2 = MaterializeVirtualObjectTest.class.getDeclaredMethod("testFrame2", |
| String.class, int.class); |
| } catch (NoSuchMethodException e) { |
| throw new Error("Can't get executable for test method", e); |
| } |
| ResolvedJavaMethod resolved1; |
| ResolvedJavaMethod resolved2; |
| resolved1 = CTVMUtilities.getResolvedMethod(method1); |
| resolved2 = CTVMUtilities.getResolvedMethod(method2); |
| INVALIDATE = Boolean.getBoolean( |
| "compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.invalidate"); |
| COMPILE_THRESHOLD = WB.getBooleanVMFlag("TieredCompilation") |
| ? CompilerWhiteBoxTest.THRESHOLD |
| : CompilerWhiteBoxTest.THRESHOLD * 2; |
| MATERIALIZE_FIRST = Boolean.getBoolean( |
| "compiler.jvmci.compilerToVM.MaterializeVirtualObjectTest.materializeFirst"); |
| MATERIALIZED_RESOLVED = MATERIALIZE_FIRST ? resolved1 : resolved2; |
| NOT_MATERIALIZED_RESOLVED = MATERIALIZE_FIRST ? resolved2 : resolved1; |
| MATERIALIZED_METHOD = MATERIALIZE_FIRST ? method1 : method2; |
| NOT_MATERIALIZED_METHOD = MATERIALIZE_FIRST ? method2 : method1; |
| } |
| |
| 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 + ", materializedMethod=" |
| + (MATERIALIZE_FIRST ? "testFrame" : "testFrame2") |
| + ", notMaterializedMethod=" |
| + (MATERIALIZE_FIRST ? "testFrame2" : "testFrame"); |
| } |
| |
| private void test() { |
| System.out.println(getName()); |
| Asserts.assertFalse(WB.isMethodCompiled(MATERIALIZED_METHOD), |
| getName() + " : materialized method is compiled"); |
| Asserts.assertFalse(WB.isMethodCompiled(NOT_MATERIALIZED_METHOD), |
| getName() + " : not materialized method is compiled"); |
| for (int i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) { |
| testFrame("someString", i); |
| } |
| Asserts.assertTrue(WB.isMethodCompiled(MATERIALIZED_METHOD), getName() |
| + " : materialized method not compiled"); |
| Asserts.assertTrue(WB.isMethodCompiled(NOT_MATERIALIZED_METHOD), |
| getName() + " : not materialized method not compiled"); |
| testFrame("someString", /* materialize */ CompilerWhiteBoxTest.THRESHOLD); |
| } |
| |
| private void testFrame(String str, int iteration) { |
| Helper helper = new Helper(str); |
| testFrame2(str, iteration); |
| Asserts.assertTrue((helper.string != null) && (this != null) |
| && (helper != null), String.format("%s : some locals are null", getName())); |
| } |
| |
| private void testFrame2(String str, int iteration) { |
| Helper helper = new Helper(str); |
| recurse(2, iteration); |
| Asserts.assertTrue((helper.string != null) && (this != null) |
| && (helper != null), String.format("%s : some locals are null", getName())); |
| } |
| |
| private void recurse(int depth, int iteration) { |
| if (depth == 0) { |
| check(iteration); |
| } else { |
| Integer s = new Integer(depth); |
| recurse(depth - 1, iteration); |
| Asserts.assertEQ(s.intValue(), depth, |
| String.format("different values: %s != %s", s.intValue(), depth)); |
| } |
| } |
| |
| private void check(int iteration) { |
| // Materialize virtual objects on last invocation |
| if (iteration == COMPILE_THRESHOLD) { |
| // get frames and check not-null |
| HotSpotStackFrameReference materialized = CompilerToVMHelper.getNextStackFrame( |
| /* topmost frame */ null, new ResolvedJavaMethod[]{MATERIALIZED_RESOLVED}, |
| /* don't skip any */ 0); |
| Asserts.assertNotNull(materialized, getName() |
| + " : got null frame for materialized method"); |
| HotSpotStackFrameReference notMaterialized = CompilerToVMHelper.getNextStackFrame( |
| /* topmost frame */ null, new ResolvedJavaMethod[]{NOT_MATERIALIZED_RESOLVED}, |
| /* don't skip any */ 0); |
| Asserts.assertNE(materialized, notMaterialized, |
| "Got same frame pointer for both tested frames"); |
| Asserts.assertNotNull(notMaterialized, getName() |
| + " : got null frame for not materialized method"); |
| // check that frames has virtual objects before materialization stage |
| Asserts.assertTrue(materialized.hasVirtualObjects(), getName() |
| + ": materialized frame has no virtual object before materialization"); |
| Asserts.assertTrue(notMaterialized.hasVirtualObjects(), getName() |
| + ": notMaterialized frame has no virtual object before materialization"); |
| // materialize |
| CompilerToVMHelper.materializeVirtualObjects(materialized, INVALIDATE); |
| // check that only not materialized frame has virtual objects |
| Asserts.assertFalse(materialized.hasVirtualObjects(), getName() |
| + " : materialized has virtual object after materialization"); |
| Asserts.assertTrue(notMaterialized.hasVirtualObjects(), getName() |
| + " : notMaterialized has no virtual object after materialization"); |
| // check that materialized frame was deoptimized in case invalidate=true |
| Asserts.assertEQ(WB.isMethodCompiled(MATERIALIZED_METHOD), !INVALIDATE, getName() |
| + " : materialized method has unexpected compiled status"); |
| // check that not materialized frame wasn't deoptimized |
| Asserts.assertTrue(WB.isMethodCompiled(NOT_MATERIALIZED_METHOD), getName() |
| + " : not materialized method has unexpected compiled status"); |
| } |
| } |
| |
| private class Helper { |
| public String string; |
| |
| public Helper(String s) { |
| this.string = s; |
| } |
| } |
| } |
