| /* |
| * 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. |
| */ |
| package org.graalvm.compiler.replacements.test; |
| |
| import static org.graalvm.compiler.core.common.CompilationIdentifier.INVALID_COMPILATION_ID; |
| import static org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo.createStandardInlineInfo; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.core.common.LocationIdentity; |
| import org.graalvm.compiler.core.common.type.StampFactory; |
| import org.graalvm.compiler.core.test.GraalCompilerTest; |
| import org.graalvm.compiler.debug.Debug; |
| import org.graalvm.compiler.nodes.AbstractBeginNode; |
| import org.graalvm.compiler.nodes.StructuredGraph; |
| import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; |
| import org.graalvm.compiler.nodes.ValueNode; |
| import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; |
| import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins; |
| import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins.Registration; |
| import org.graalvm.compiler.nodes.memory.HeapAccess.BarrierType; |
| import org.graalvm.compiler.nodes.memory.ReadNode; |
| import org.graalvm.compiler.nodes.memory.address.AddressNode; |
| import org.graalvm.compiler.nodes.memory.address.OffsetAddressNode; |
| import org.graalvm.compiler.phases.OptimisticOptimizations; |
| import org.graalvm.compiler.phases.common.CanonicalizerPhase; |
| import org.graalvm.compiler.phases.tiers.PhaseContext; |
| import org.graalvm.compiler.replacements.CachingPEGraphDecoder; |
| |
| import jdk.vm.ci.meta.JavaKind; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| public class PEGraphDecoderTest extends GraalCompilerTest { |
| |
| /** |
| * This method is intrinsified to a node with a guard dependency on the block it is in. The |
| * various tests ensure that this guard is correctly updated when blocks are merged during |
| * inlining. |
| */ |
| private static native int readInt(Object obj, long offset); |
| |
| private static boolean flag; |
| private static int value; |
| |
| private static void invokeSimple() { |
| value = 111; |
| } |
| |
| private static void invokeComplicated() { |
| if (flag) { |
| value = 0; |
| } else { |
| value = 42; |
| } |
| } |
| |
| private static int readInt1(Object obj) { |
| return readInt(obj, 16); |
| } |
| |
| private static int readInt2(Object obj) { |
| invokeSimple(); |
| return readInt(obj, 16); |
| } |
| |
| private static int readInt3(Object obj) { |
| invokeComplicated(); |
| return readInt(obj, 16); |
| } |
| |
| private static int readInt4(Object obj, int n) { |
| if (n > 0) { |
| invokeComplicated(); |
| } |
| return readInt(obj, 16); |
| } |
| |
| public static int doTest(Object obj) { |
| int result = 0; |
| result += readInt1(obj); |
| result += readInt2(obj); |
| result += readInt3(obj); |
| result += readInt4(obj, 2); |
| return result; |
| } |
| |
| private static void registerPlugins(InvocationPlugins plugins) { |
| Registration r = new Registration(plugins, PEGraphDecoderTest.class); |
| r.register2("readInt", Object.class, long.class, new InvocationPlugin() { |
| @Override |
| public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver unused, ValueNode obj, ValueNode offset) { |
| AddressNode address = b.add(new OffsetAddressNode(obj, offset)); |
| ReadNode read = b.addPush(JavaKind.Int, new ReadNode(address, LocationIdentity.any(), StampFactory.forKind(JavaKind.Int), BarrierType.NONE)); |
| read.setGuard(AbstractBeginNode.prevBegin(read)); |
| return true; |
| } |
| }); |
| } |
| |
| class InlineAll implements InlineInvokePlugin { |
| @Override |
| public InlineInfo shouldInlineInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) { |
| return createStandardInlineInfo(method); |
| } |
| } |
| |
| @Test |
| @SuppressWarnings("try") |
| public void test() { |
| ResolvedJavaMethod testMethod = getResolvedJavaMethod(PEGraphDecoderTest.class, "doTest", Object.class); |
| StructuredGraph targetGraph = null; |
| try (Debug.Scope scope = Debug.scope("GraphPETest", testMethod)) { |
| GraphBuilderConfiguration graphBuilderConfig = GraphBuilderConfiguration.getDefault(getDefaultGraphBuilderPlugins()).withEagerResolving(true); |
| registerPlugins(graphBuilderConfig.getPlugins().getInvocationPlugins()); |
| CachingPEGraphDecoder decoder = new CachingPEGraphDecoder(getProviders(), graphBuilderConfig, OptimisticOptimizations.NONE, AllowAssumptions.YES, getTarget().arch); |
| |
| targetGraph = new StructuredGraph(testMethod, AllowAssumptions.YES, INVALID_COMPILATION_ID); |
| decoder.decode(targetGraph, testMethod, null, null, new InlineInvokePlugin[]{new InlineAll()}, null); |
| Debug.dump(Debug.BASIC_LOG_LEVEL, targetGraph, "Target Graph"); |
| targetGraph.verify(); |
| |
| PhaseContext context = new PhaseContext(getProviders()); |
| new CanonicalizerPhase().apply(targetGraph, context); |
| targetGraph.verify(); |
| |
| } catch (Throwable ex) { |
| if (targetGraph != null) { |
| Debug.dump(Debug.BASIC_LOG_LEVEL, targetGraph, ex.toString()); |
| } |
| Debug.handle(ex); |
| } |
| } |
| } |