--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/PEGraphDecoderTest.java Thu Feb 16 15:46:09 2017 -0800
@@ -0,0 +1,156 @@
+/*
+ * 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);
+ }
+ }
+}