--- /dev/null 2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/AheadOfTimeCompilationTest.java 2017-02-15 16:59:21.802601982 -0800
@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2013, 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.hotspot.test;
+
+import static org.graalvm.compiler.core.GraalCompiler.compileGraph;
+import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode;
+import static org.graalvm.compiler.nodes.ConstantNode.getConstantNodes;
+
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import org.graalvm.compiler.api.test.Graal;
+import org.graalvm.compiler.code.CompilationResult;
+import org.graalvm.compiler.core.common.type.Stamp;
+import org.graalvm.compiler.core.test.GraalCompilerTest;
+import org.graalvm.compiler.graph.iterators.NodeIterable;
+import org.graalvm.compiler.hotspot.nodes.type.KlassPointerStamp;
+import org.graalvm.compiler.lir.asm.CompilationResultBuilderFactory;
+import org.graalvm.compiler.lir.phases.LIRSuites;
+import org.graalvm.compiler.nodes.ConstantNode;
+import org.graalvm.compiler.nodes.PiNode;
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
+import org.graalvm.compiler.nodes.memory.FloatingReadNode;
+import org.graalvm.compiler.nodes.memory.ReadNode;
+import org.graalvm.compiler.options.OptionValue;
+import org.graalvm.compiler.options.OptionValue.OverrideScope;
+import org.graalvm.compiler.phases.OptimisticOptimizations;
+import org.graalvm.compiler.phases.tiers.Suites;
+import org.graalvm.compiler.phases.tiers.SuitesProvider;
+import org.graalvm.compiler.runtime.RuntimeProvider;
+
+import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
+import jdk.vm.ci.meta.JavaConstant;
+import jdk.vm.ci.meta.JavaKind;
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+
+/**
+ * use
+ *
+ *
+ * mx unittest AheadOfTimeCompilationTest @-XX:CompileCommand='print,*AheadOfTimeCompilationTest.*'
+ *
+ *
+ * to print disassembly.
+ */
+public class AheadOfTimeCompilationTest extends GraalCompilerTest {
+
+ public static final Object STATICFINALOBJECT = new Object();
+ public static final String STATICFINALSTRING = "test string";
+
+ public static Object getStaticFinalObject() {
+ return AheadOfTimeCompilationTest.STATICFINALOBJECT;
+ }
+
+ @Test
+ public void testStaticFinalObjectAOT() {
+ StructuredGraph result = compile("getStaticFinalObject", true);
+ assertDeepEquals(1, getConstantNodes(result).count());
+ Stamp constantStamp = getConstantNodes(result).first().stamp();
+ Assert.assertTrue(constantStamp.toString(), constantStamp instanceof KlassPointerStamp);
+ assertDeepEquals(2, result.getNodes().filter(FloatingReadNode.class).count());
+ assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
+ }
+
+ @Test
+ public void testStaticFinalObject() {
+ StructuredGraph result = compile("getStaticFinalObject", false);
+ assertDeepEquals(1, getConstantNodes(result).count());
+ assertDeepEquals(JavaKind.Object, getConstantNodes(result).first().getStackKind());
+ assertDeepEquals(0, result.getNodes().filter(FloatingReadNode.class).count());
+ assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
+ }
+
+ public static Class getClassObject() {
+ return AheadOfTimeCompilationTest.class;
+ }
+
+ @Test
+ public void testClassObjectAOT() {
+ StructuredGraph result = compile("getClassObject", true);
+
+ NodeIterable filter = getConstantNodes(result);
+ assertDeepEquals(1, filter.count());
+ HotSpotResolvedObjectType type = (HotSpotResolvedObjectType) getMetaAccess().lookupJavaType(AheadOfTimeCompilationTest.class);
+ assertDeepEquals(type.klass(), filter.first().asConstant());
+
+ assertDeepEquals(1, result.getNodes().filter(FloatingReadNode.class).count());
+ assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
+ }
+
+ @Test
+ public void testClassObject() {
+ StructuredGraph result = compile("getClassObject", false);
+
+ NodeIterable filter = getConstantNodes(result);
+ assertDeepEquals(1, filter.count());
+ JavaConstant c = filter.first().asJavaConstant();
+ Assert.assertEquals(getSnippetReflection().asObject(Class.class, c), AheadOfTimeCompilationTest.class);
+
+ assertDeepEquals(0, result.getNodes().filter(FloatingReadNode.class).count());
+ assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
+ }
+
+ public static Class getPrimitiveClassObject() {
+ return int.class;
+ }
+
+ @Test
+ public void testPrimitiveClassObjectAOT() {
+ StructuredGraph result = compile("getPrimitiveClassObject", true);
+ NodeIterable filter = getConstantNodes(result);
+ assertDeepEquals(1, filter.count());
+ Stamp constantStamp = filter.first().stamp();
+ Assert.assertTrue(constantStamp instanceof KlassPointerStamp);
+
+ assertDeepEquals(2, result.getNodes().filter(FloatingReadNode.class).count());
+ assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
+ }
+
+ @Test
+ public void testPrimitiveClassObject() {
+ StructuredGraph result = compile("getPrimitiveClassObject", false);
+ NodeIterable filter = getConstantNodes(result);
+ assertDeepEquals(1, filter.count());
+ JavaConstant c = filter.first().asJavaConstant();
+ Assert.assertEquals(getSnippetReflection().asObject(Class.class, c), Integer.TYPE);
+
+ assertDeepEquals(0, result.getNodes().filter(FloatingReadNode.class).count());
+ assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
+ }
+
+ public static String getStringObject() {
+ return AheadOfTimeCompilationTest.STATICFINALSTRING;
+ }
+
+ @Test
+ public void testStringObjectAOT() {
+ // embedded strings are fine
+ testStringObjectCommon(true);
+ }
+
+ @Test
+ public void testStringObject() {
+ testStringObjectCommon(false);
+ }
+
+ private void testStringObjectCommon(boolean compileAOT) {
+ StructuredGraph result = compile("getStringObject", compileAOT);
+
+ NodeIterable filter = getConstantNodes(result);
+ assertDeepEquals(1, filter.count());
+ JavaConstant c = filter.first().asJavaConstant();
+ Assert.assertEquals(getSnippetReflection().asObject(String.class, c), "test string");
+
+ assertDeepEquals(0, result.getNodes().filter(FloatingReadNode.class).count());
+ assertDeepEquals(0, result.getNodes().filter(ReadNode.class).count());
+ }
+
+ public static Boolean getBoxedBoolean() {
+ return Boolean.valueOf(true);
+ }
+
+ @Ignore("ImmutableCode override may not work reliably in non-hosted mode")
+ @Test
+ public void testBoxedBooleanAOT() {
+ StructuredGraph result = compile("getBoxedBoolean", true);
+
+ assertDeepEquals(2, result.getNodes().filter(FloatingReadNode.class).count());
+ assertDeepEquals(1, result.getNodes(PiNode.TYPE).count());
+ assertDeepEquals(1, getConstantNodes(result).count());
+ ConstantNode constant = getConstantNodes(result).first();
+ assertDeepEquals(JavaKind.Long, constant.getStackKind());
+ assertDeepEquals(((HotSpotResolvedObjectType) getMetaAccess().lookupJavaType(Boolean.class)).klass(), constant.asConstant());
+ }
+
+ @Test
+ public void testBoxedBoolean() {
+ StructuredGraph result = compile("getBoxedBoolean", false);
+ assertDeepEquals(0, result.getNodes().filter(FloatingReadNode.class).count());
+ assertDeepEquals(0, result.getNodes(PiNode.TYPE).count());
+ assertDeepEquals(1, getConstantNodes(result).count());
+ ConstantNode constant = getConstantNodes(result).first();
+ assertDeepEquals(JavaKind.Object, constant.getStackKind());
+
+ JavaConstant c = constant.asJavaConstant();
+ Assert.assertEquals(getSnippetReflection().asObject(Boolean.class, c), Boolean.TRUE);
+ }
+
+ @SuppressWarnings("try")
+ private StructuredGraph compile(String test, boolean compileAOT) {
+ try (OverrideScope s = OptionValue.override(ImmutableCode, compileAOT)) {
+ StructuredGraph graph = parseEager(test, AllowAssumptions.YES);
+ ResolvedJavaMethod method = graph.method();
+ // create suites everytime, as we modify options for the compiler
+ SuitesProvider suitesProvider = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend().getSuites();
+ final Suites suitesLocal = suitesProvider.getDefaultSuites();
+ final LIRSuites lirSuitesLocal = suitesProvider.getDefaultLIRSuites();
+ final CompilationResult compResult = compileGraph(graph, method, getProviders(), getBackend(), getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL, graph.getProfilingInfo(),
+ suitesLocal, lirSuitesLocal, new CompilationResult(), CompilationResultBuilderFactory.Default);
+ addMethod(method, compResult);
+ return graph;
+ }
+ }
+}