--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/GuardedIntrinsicTest.java Wed Jun 26 14:28:47 2019 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,234 +0,0 @@
-/*
- * Copyright (c) 2016, 2018, 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.
- */
-
-
-package org.graalvm.compiler.core.test;
-
-import java.util.List;
-
-import org.graalvm.compiler.core.common.CompilationIdentifier;
-import org.graalvm.compiler.graph.Node;
-import org.graalvm.compiler.nodes.ConstantNode;
-import org.graalvm.compiler.nodes.Invoke;
-import org.graalvm.compiler.nodes.InvokeNode;
-import org.graalvm.compiler.nodes.StructuredGraph;
-import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
-import org.graalvm.compiler.nodes.ValueNode;
-import org.graalvm.compiler.nodes.extended.OpaqueNode;
-import org.graalvm.compiler.nodes.extended.LoadHubNode;
-import org.graalvm.compiler.nodes.extended.LoadMethodNode;
-import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
-import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;
-import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin.Receiver;
-import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;
-import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins.Registration;
-import org.graalvm.compiler.options.OptionValues;
-import org.junit.Assert;
-import org.junit.BeforeClass;
-import org.junit.Test;
-
-import jdk.vm.ci.meta.JavaKind;
-import jdk.vm.ci.meta.ResolvedJavaMethod;
-
-/**
- * Tests use of an intrinsic for virtual methods where the call site is indirect. A prime example is
- * an intrinsic for {@link Object#hashCode()}. The intrinsic can only be used if the call site would
- * actually dispatch to {@link Object#hashCode()} and not a method that overrides it.
- */
-public class GuardedIntrinsicTest extends GraalCompilerTest {
-
- static class Super {
- int getAge() {
- return 11;
- }
- }
-
- public static class Person extends Super {
- int age;
-
- public Person(int age) {
- this.age = age;
- }
-
- @Override
- public int getAge() {
- return age;
- }
- }
-
- @BytecodeParserForceInline
- public static final Super createSuper() {
- return new Super();
- }
-
- @BytecodeParserNeverInline
- public static final Super createPerson() {
- return new Person(42);
- }
-
- public static int getSuperAge(Super s) {
- return s.getAge();
- }
-
- public static int getPersonAge(Person p) {
- return p.getAge();
- }
-
- public static int makeSuperAge() {
- return createSuper().getAge();
- }
-
- public static int makePersonAge() {
- return createPerson().getAge();
- }
-
- @BeforeClass
- public static void init() {
- // Ensure classes are initialized
- new Person(0).toString();
- }
-
- private StructuredGraph graph;
- private StructuredGraph parsedForCompile;
-
- @Override
- protected StructuredGraph parseForCompile(ResolvedJavaMethod method, CompilationIdentifier compilationId, OptionValues options) {
- graph = super.parseForCompile(method, compilationId, options);
- parsedForCompile = (StructuredGraph) graph.copy(graph.getDebug());
- return graph;
- }
-
- @Override
- protected void registerInvocationPlugins(InvocationPlugins invocationPlugins) {
- Registration r = new Registration(invocationPlugins, Super.class);
-
- r.register1("getAge", Receiver.class, new InvocationPlugin() {
- @Override
- public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver) {
- ConstantNode res = b.add(ConstantNode.forInt(new Super().getAge()));
- b.add(new OpaqueNode(res));
- b.push(JavaKind.Int, res);
- return true;
- }
- });
- super.registerInvocationPlugins(invocationPlugins);
- }
-
- public static int referenceMakeSuperAge() {
- return 11;
- }
-
- public static int referenceMakePersonAge() {
- return 42;
- }
-
- @Test
- public void test01() {
- Super inheritsHC = new Super();
- Person overridesHC = new Person(0);
-
- // Ensure the profile for getSuperAge includes both receiver types
- getSuperAge(inheritsHC);
- getSuperAge(overridesHC);
-
- test("getSuperAge", inheritsHC);
- test("getSuperAge", overridesHC);
-
- // Check that the virtual dispatch test exists after bytecode parsing
- Assert.assertEquals(1, parsedForCompile.getNodes().filter(LoadMethodNode.class).count());
- Assert.assertEquals(1, parsedForCompile.getNodes().filter(LoadHubNode.class).count());
-
- // Check for the marker node indicating the intrinsic was applied
- Assert.assertEquals(1, parsedForCompile.getNodes().filter(OpaqueNode.class).count());
-
- // Final graph should have a single invoke
- List<Node> invokes = graph.getNodes().filter(n -> n instanceof Invoke).snapshot();
- Assert.assertEquals(invokes.toString(), 1, invokes.size());
- }
-
- @Test
- public void test02() {
- test("getPersonAge", new Person(0));
-
- // Check that the virtual dispatch test does not exist after bytecode parsing
- Assert.assertEquals(0, parsedForCompile.getNodes().filter(LoadMethodNode.class).count());
- Assert.assertEquals(0, parsedForCompile.getNodes().filter(LoadHubNode.class).count());
-
- Assert.assertEquals(0, parsedForCompile.getNodes().filter(InvokeNode.class).count());
- }
-
- @Test
- public void test03() {
- test("makeSuperAge");
-
- // Check that the virtual dispatch test does not exist after bytecode parsing
- Assert.assertEquals(0, parsedForCompile.getNodes().filter(LoadMethodNode.class).count());
- Assert.assertEquals(0, parsedForCompile.getNodes().filter(LoadHubNode.class).count());
-
- StructuredGraph referenceGraph = parseEager("referenceMakeSuperAge", AllowAssumptions.NO);
- assertEquals(referenceGraph, graph, true, true);
- }
-
- @Test
- public void test04() {
- test("makePersonAge");
-
- // Check that the virtual dispatch test exists after bytecode parsing
- Assert.assertEquals(1, parsedForCompile.getNodes().filter(LoadMethodNode.class).count());
- Assert.assertEquals(1, parsedForCompile.getNodes().filter(LoadHubNode.class).count());
-
- StructuredGraph referenceGraph = parseEager("referenceMakePersonAge", AllowAssumptions.NO);
- assertEquals(referenceGraph, graph, true, true);
- }
-
- static final class ReadCacheEntry {
-
- public final Object identity;
- public final ValueNode object;
-
- ReadCacheEntry(Object identity, ValueNode object) {
- this.identity = identity;
- this.object = object;
- }
-
- @Override
- public int hashCode() {
- int result = ((identity == null) ? 0 : identity.hashCode());
- return result + System.identityHashCode(object);
- }
- }
-
- public static int getHashCode(ReadCacheEntry obj) {
- return obj.hashCode();
- }
-
- @Test
- public void test05() {
- ReadCacheEntry val1 = new ReadCacheEntry("identity", ConstantNode.forBoolean(false));
- ReadCacheEntry val2 = new ReadCacheEntry(Integer.valueOf(34), ConstantNode.forInt(42));
- for (int i = 0; i < 10000; i++) {
- getHashCode(val2);
- }
- test("getHashCode", val1);
- }
-}