| /* |
| * Copyright (c) 2014, 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. |
| */ |
| |
| package org.graalvm.compiler.hotspot.test; |
| |
| import org.junit.Assume; |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.hotspot.CompressEncoding; |
| import org.graalvm.compiler.hotspot.nodes.CompressionNode; |
| import org.graalvm.compiler.nodes.ValueNode; |
| import org.graalvm.compiler.nodes.debug.OpaqueNode; |
| import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; |
| import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins.Registration; |
| |
| import jdk.vm.ci.meta.JavaKind; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| public class DataPatchTest extends HotSpotGraalCompilerTest { |
| |
| public static double doubleSnippet() { |
| return 84.72; |
| } |
| |
| @Test |
| public void doubleTest() { |
| test("doubleSnippet"); |
| } |
| |
| public static Object oopSnippet() { |
| return "asdf"; |
| } |
| |
| @Test |
| public void oopTest() { |
| test("oopSnippet"); |
| } |
| |
| private static Object compressUncompress(Object obj) { |
| return obj; |
| } |
| |
| public static Object narrowOopSnippet() { |
| return compressUncompress("narrowAsdf"); |
| } |
| |
| @Test |
| public void narrowOopTest() { |
| Assume.assumeTrue("skipping narrow oop data patch test", runtime().getVMConfig().useCompressedOops); |
| test("narrowOopSnippet"); |
| } |
| |
| @Override |
| protected GraphBuilderConfiguration editGraphBuilderConfiguration(GraphBuilderConfiguration conf) { |
| InvocationPlugins invocationPlugins = conf.getPlugins().getInvocationPlugins(); |
| Registration r = new Registration(invocationPlugins, DataPatchTest.class); |
| r.register1("compressUncompress", Object.class, new InvocationPlugin() { |
| @Override |
| public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode arg) { |
| CompressEncoding encoding = runtime().getVMConfig().getOopEncoding(); |
| ValueNode compressed = b.add(CompressionNode.compress(arg, encoding)); |
| ValueNode proxy = b.add(new OpaqueNode(compressed)); |
| b.addPush(JavaKind.Object, CompressionNode.uncompress(proxy, encoding)); |
| return true; |
| } |
| }); |
| return super.editGraphBuilderConfiguration(conf); |
| } |
| } |