1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.replacements.test; 24 25 import static org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.BytecodeExceptionMode.CheckAll; 26 27 import org.graalvm.compiler.core.common.CompilationIdentifier; 28 import org.graalvm.compiler.core.phases.HighTier; 29 import org.graalvm.compiler.core.test.GraalCompilerTest; 30 import org.graalvm.compiler.nodes.StructuredGraph; 31 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; 32 import org.graalvm.compiler.nodes.ValueNode; 33 import org.graalvm.compiler.nodes.extended.BytecodeExceptionNode; 34 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; 35 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext; 36 import org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo; 37 import org.graalvm.compiler.options.OptionValues; 38 import org.graalvm.compiler.phases.tiers.Suites; 39 import org.junit.Assert; 40 import org.junit.Test; 41 42 import jdk.vm.ci.meta.ResolvedJavaMethod; 43 44 /** 45 * Tests compilation of a hot exception handler. 46 */ 47 public class CompiledNullPointerExceptionTest extends GraalCompilerTest { 48 49 @Override 50 @SuppressWarnings("try") 51 protected Suites createSuites(OptionValues options) { 52 return super.createSuites(new OptionValues(options, HighTier.Options.Inline, false)); 53 } 54 55 @Override 56 protected InlineInfo bytecodeParserShouldInlineInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) { 57 return InlineInfo.DO_NOT_INLINE_NO_EXCEPTION; 58 } 59 60 @Override 61 protected GraphBuilderConfiguration editGraphBuilderConfiguration(GraphBuilderConfiguration conf) { 62 return super.editGraphBuilderConfiguration(conf).withBytecodeExceptionMode(CheckAll); 63 } 64 65 @Override 66 protected StructuredGraph parseEager(ResolvedJavaMethod m, AllowAssumptions allowAssumptions, CompilationIdentifier compilationId, OptionValues options) { 67 StructuredGraph graph = super.parseEager(m, allowAssumptions, compilationId, options); 68 int handlers = graph.getNodes().filter(BytecodeExceptionNode.class).count(); 69 Assert.assertEquals(1, handlers); 70 return graph; 71 } 72 73 private class TestClass { 74 75 @Override 76 public String toString() { 77 return "TestClass"; 78 } 79 } 80 81 @Test 82 public void test() { 83 test("testSnippet", (TestClass) null, "object2"); 84 test("testSnippet", new TestClass(), "object2"); 85 } 86 87 public static String testSnippet(TestClass o, Object o2) { 88 try { 89 return o.toString(); 90 } catch (NullPointerException e) { 91 return String.valueOf(o2); 92 } 93 } 94 }