--- /dev/null 2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.lir.jtt/src/org/graalvm/compiler/lir/jtt/LIRTest.java 2016-12-09 00:53:47.568696934 -0800
@@ -0,0 +1,261 @@
+/*
+ * Copyright (c) 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.lir.jtt;
+
+import static org.graalvm.compiler.lir.LIRValueUtil.isVariable;
+import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_IGNORED;
+import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_IGNORED;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.util.stream.Stream;
+
+import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
+import org.graalvm.compiler.core.common.type.StampFactory;
+import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.graph.NodeInputList;
+import org.graalvm.compiler.jtt.JTTTest;
+import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodes.FixedWithNextNode;
+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.InvocationPlugin;
+import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;
+import org.graalvm.compiler.nodes.spi.LIRLowerable;
+import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
+
+import jdk.vm.ci.meta.JavaKind;
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+import jdk.vm.ci.meta.Value;
+
+/**
+ * Base class for LIR tests.
+ *
+ * It provides facilities to replace methods with {@link LIRTestSpecification arbitrary LIR
+ * instructions}.
+ */
+public abstract class LIRTest extends JTTTest {
+
+ @NodeInfo(cycles = CYCLES_IGNORED, size = SIZE_IGNORED)
+ private static final class LIRTestNode extends FixedWithNextNode implements LIRLowerable {
+
+ public static final NodeClass TYPE = NodeClass.create(LIRTestNode.class);
+ @Input protected ValueNode opsNode;
+ @Input protected NodeInputList values;
+ public final SnippetReflectionProvider snippetReflection;
+
+ protected LIRTestNode(SnippetReflectionProvider snippetReflection, JavaKind kind, ValueNode opsNode, ValueNode[] values) {
+ super(TYPE, StampFactory.forKind(kind));
+ this.opsNode = opsNode;
+ this.values = new NodeInputList<>(this, values);
+ this.snippetReflection = snippetReflection;
+ }
+
+ public NodeInputList values() {
+ return values;
+ }
+
+ public ValueNode getLIROpsNode() {
+ return opsNode;
+ }
+
+ @Override
+ public void generate(NodeLIRBuilderTool gen) {
+ LIRTestSpecification ops = getLIROperations();
+ Stream v = values().stream().map(node -> gen.operand(node));
+
+ ops.generate(gen.getLIRGeneratorTool(), v.toArray(size -> new Value[size]));
+ Value result = ops.getResult();
+ if (result != null) {
+ gen.setResult(this, result);
+ }
+ }
+
+ public LIRTestSpecification getLIROperations() {
+ assert getLIROpsNode().isConstant();
+ LIRTestSpecification spec = snippetReflection.asObject(LIRTestSpecification.class, getLIROpsNode().asJavaConstant());
+ return spec;
+ }
+ }
+
+ @NodeInfo(cycles = CYCLES_IGNORED, size = SIZE_IGNORED)
+ private static final class LIRValueNode extends FixedWithNextNode implements LIRLowerable {
+
+ public static final NodeClass TYPE = NodeClass.create(LIRValueNode.class);
+ @Input protected ValueNode opsNode;
+ @Input protected ValueNode name;
+ public final SnippetReflectionProvider snippetReflection;
+
+ protected LIRValueNode(SnippetReflectionProvider snippetReflection, JavaKind kind, ValueNode opsNode, ValueNode name) {
+ super(TYPE, StampFactory.forKind(kind));
+ this.opsNode = opsNode;
+ this.name = name;
+ this.snippetReflection = snippetReflection;
+ }
+
+ public ValueNode getLIROpsNode() {
+ return opsNode;
+ }
+
+ @Override
+ public void generate(NodeLIRBuilderTool gen) {
+ LIRTestSpecification spec = getLIROperations();
+ Value output = spec.getOutput(getName());
+ gen.setResult(this, isVariable(output) ? output : gen.getLIRGeneratorTool().emitMove(output));
+ }
+
+ private String getName() {
+ assert name.isConstant();
+ return snippetReflection.asObject(String.class, name.asJavaConstant());
+ }
+
+ private LIRTestSpecification getLIROperations() {
+ assert getLIROpsNode().isConstant();
+ return snippetReflection.asObject(LIRTestSpecification.class, getLIROpsNode().asJavaConstant());
+ }
+
+ }
+
+ private InvocationPlugin lirTestPlugin = new InvocationPlugin() {
+ @Override
+ public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode spec) {
+ JavaKind returnKind = targetMethod.getSignature().getReturnKind();
+ LIRTestNode node = new LIRTestNode(getSnippetReflection(), returnKind, spec, new ValueNode[]{});
+ addNode(b, returnKind, node);
+ return true;
+ }
+
+ @Override
+ public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode spec, ValueNode arg0) {
+ JavaKind returnKind = targetMethod.getSignature().getReturnKind();
+ LIRTestNode node = new LIRTestNode(getSnippetReflection(), returnKind, spec, new ValueNode[]{arg0});
+ addNode(b, returnKind, node);
+ return true;
+ }
+
+ @Override
+ public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode spec, ValueNode arg0, ValueNode arg1) {
+ JavaKind returnKind = targetMethod.getSignature().getReturnKind();
+ LIRTestNode node = new LIRTestNode(getSnippetReflection(), returnKind, spec, new ValueNode[]{arg0, arg1});
+ addNode(b, returnKind, node);
+ return true;
+ }
+
+ @Override
+ public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode spec, ValueNode arg0, ValueNode arg1, ValueNode arg2) {
+ JavaKind returnKind = targetMethod.getSignature().getReturnKind();
+ LIRTestNode node = new LIRTestNode(getSnippetReflection(), returnKind, spec, new ValueNode[]{arg0, arg1, arg2});
+ addNode(b, returnKind, node);
+ return true;
+ }
+
+ @Override
+ public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode spec, ValueNode arg0, ValueNode arg1, ValueNode arg2, ValueNode arg3) {
+ JavaKind returnKind = targetMethod.getSignature().getReturnKind();
+ LIRTestNode node = new LIRTestNode(getSnippetReflection(), returnKind, spec, new ValueNode[]{arg0, arg1, arg2, arg3});
+ addNode(b, returnKind, node);
+ return true;
+ }
+
+ private void addNode(GraphBuilderContext b, JavaKind returnKind, LIRTestNode node) {
+ if (returnKind.equals(JavaKind.Void)) {
+ b.add(node);
+ } else {
+ b.addPush(returnKind, node);
+ }
+ }
+
+ };
+
+ @Override
+ protected GraphBuilderConfiguration editGraphBuilderConfiguration(GraphBuilderConfiguration conf) {
+ InvocationPlugins invocationPlugins = conf.getPlugins().getInvocationPlugins();
+
+ Class extends LIRTest> c = getClass();
+ for (Method m : c.getMethods()) {
+ if (m.getAnnotation(LIRIntrinsic.class) != null) {
+ assert Modifier.isStatic(m.getModifiers());
+ Class>[] p = m.getParameterTypes();
+ assert p.length > 0;
+ assert LIRTestSpecification.class.isAssignableFrom(p[0]);
+
+ invocationPlugins.register(lirTestPlugin, c, m.getName(), p);
+ }
+ }
+ InvocationPlugin outputPlugin = new InvocationPlugin() {
+ @Override
+ public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode spec, ValueNode name, ValueNode expected) {
+ JavaKind returnKind = targetMethod.getSignature().getReturnKind();
+ b.addPush(returnKind, new LIRValueNode(getSnippetReflection(), returnKind, spec, name));
+ return true;
+ }
+ };
+ invocationPlugins.register(outputPlugin, LIRTest.class, "getOutput", new Class>[]{LIRTestSpecification.class, String.class, Object.class});
+ invocationPlugins.register(outputPlugin, LIRTest.class, "getOutput", new Class>[]{LIRTestSpecification.class, String.class, int.class});
+ return super.editGraphBuilderConfiguration(conf);
+ }
+
+ @SuppressWarnings("unused")
+ public static byte getOutput(LIRTestSpecification spec, String name, byte expected) {
+ return expected;
+ }
+
+ @SuppressWarnings("unused")
+ public static short getOutput(LIRTestSpecification spec, String name, short expected) {
+ return expected;
+ }
+
+ @SuppressWarnings("unused")
+ public static int getOutput(LIRTestSpecification spec, String name, int expected) {
+ return expected;
+ }
+
+ @SuppressWarnings("unused")
+ public static long getOutput(LIRTestSpecification spec, String name, long expected) {
+ return expected;
+ }
+
+ @SuppressWarnings("unused")
+ public static float getOutput(LIRTestSpecification spec, String name, float expected) {
+ return expected;
+ }
+
+ @SuppressWarnings("unused")
+ public static double getOutput(LIRTestSpecification spec, String name, double expected) {
+ return expected;
+ }
+
+ @SuppressWarnings("unused")
+ public static Object getOutput(LIRTestSpecification spec, String name, Object expected) {
+ return expected;
+ }
+
+ @java.lang.annotation.Retention(RetentionPolicy.RUNTIME)
+ @java.lang.annotation.Target(ElementType.METHOD)
+ public static @interface LIRIntrinsic {
+ }
+
+}