--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/CompiledNullPointerExceptionTest.java 2016-12-09 00:56:44.667503233 -0800 @@ -0,0 +1,98 @@ +/* + * Copyright (c) 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.nodes.graphbuilderconf.GraphBuilderConfiguration.BytecodeExceptionMode.CheckAll; + +import org.junit.Assert; +import org.junit.Test; + +import org.graalvm.compiler.core.common.CompilationIdentifier; +import org.graalvm.compiler.core.phases.HighTier; +import org.graalvm.compiler.core.test.GraalCompilerTest; +import org.graalvm.compiler.nodes.StructuredGraph; +import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; +import org.graalvm.compiler.nodes.ValueNode; +import org.graalvm.compiler.nodes.extended.BytecodeExceptionNode; +import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; +import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext; +import org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo; +import org.graalvm.compiler.options.OptionValue; +import org.graalvm.compiler.options.OptionValue.OverrideScope; +import org.graalvm.compiler.phases.tiers.Suites; + +import jdk.vm.ci.meta.ResolvedJavaMethod; + +/** + * Tests compilation of a hot exception handler. + */ +public class CompiledNullPointerExceptionTest extends GraalCompilerTest { + + @Override + @SuppressWarnings("try") + protected Suites createSuites() { + try (OverrideScope scope = OptionValue.override(HighTier.Options.Inline, false)) { + return super.createSuites(); + } + } + + @Override + protected InlineInfo bytecodeParserShouldInlineInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) { + return InlineInfo.DO_NOT_INLINE_NO_EXCEPTION; + } + + @Override + protected GraphBuilderConfiguration editGraphBuilderConfiguration(GraphBuilderConfiguration conf) { + return super.editGraphBuilderConfiguration(conf).withBytecodeExceptionMode(CheckAll); + } + + @Override + protected StructuredGraph parseEager(ResolvedJavaMethod m, AllowAssumptions allowAssumptions, CompilationIdentifier compilationId) { + StructuredGraph graph = super.parseEager(m, allowAssumptions, compilationId); + int handlers = graph.getNodes().filter(BytecodeExceptionNode.class).count(); + Assert.assertEquals(1, handlers); + return graph; + } + + private class TestClass { + + @Override + public String toString() { + return "TestClass"; + } + } + + @Test + public void test() { + test("testSnippet", (TestClass) null, "object2"); + test("testSnippet", new TestClass(), "object2"); + } + + public static String testSnippet(TestClass o, Object o2) { + try { + return o.toString(); + } catch (NullPointerException e) { + return String.valueOf(o2); + } + } +}