1 /* 2 * Copyright (c) 2011, 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 org.junit.Assert; 26 import org.junit.Test; 27 28 import org.graalvm.compiler.core.common.CompilationIdentifier; 29 import org.graalvm.compiler.core.phases.HighTier; 30 import org.graalvm.compiler.core.test.GraalCompilerTest; 31 import org.graalvm.compiler.nodes.StructuredGraph; 32 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; 33 import org.graalvm.compiler.nodes.ValueNode; 34 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext; 35 import org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo; 36 import org.graalvm.compiler.nodes.java.ExceptionObjectNode; 37 import org.graalvm.compiler.options.OptionValue; 38 import org.graalvm.compiler.options.OptionValue.OverrideScope; 39 import org.graalvm.compiler.phases.tiers.Suites; 40 41 import jdk.vm.ci.meta.ResolvedJavaMethod; 42 43 /** 44 * Tests compilation of a hot exception handler. 45 */ 46 public class CompiledExceptionHandlerTest extends GraalCompilerTest { 47 48 @Override 49 @SuppressWarnings("try") 50 protected Suites createSuites() { 51 try (OverrideScope scope = OptionValue.override(HighTier.Options.Inline, false)) { 52 return super.createSuites(); 53 } 54 } 55 56 @Override 57 protected InlineInfo bytecodeParserShouldInlineInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) { 58 /* 59 * We don't care whether other invokes are inlined or not, but we definitely don't want 60 * another explicit exception handler in the graph. 61 */ 62 return InlineInfo.DO_NOT_INLINE_NO_EXCEPTION; 63 } 64 65 @Override 66 protected StructuredGraph parseEager(ResolvedJavaMethod m, AllowAssumptions allowAssumptions, CompilationIdentifier compilationId) { 67 StructuredGraph graph = super.parseEager(m, allowAssumptions, compilationId); 68 int handlers = graph.getNodes().filter(ExceptionObjectNode.class).count(); 69 Assert.assertEquals(1, handlers); 70 return graph; 71 } 72 73 @BytecodeParserNeverInline(invokeWithException = true) 74 private static void raiseExceptionSimple(String s) { 75 throw new RuntimeException("Raising exception with message \"" + s + "\""); 76 } 77 78 @Test 79 public void test1() { 80 test("test1Snippet", "a string"); 81 test("test1Snippet", (String) null); 82 } 83 84 public static String test1Snippet(String message) { 85 if (message != null) { 86 try { 87 raiseExceptionSimple(message); 88 } catch (Exception e) { 89 return message + e.getMessage(); 90 } 91 } 92 return null; 93 } 94 95 @BytecodeParserNeverInline(invokeWithException = true) 96 private static void raiseException(String m1, String m2, String m3, String m4, String m5) { 97 throw new RuntimeException(m1 + m2 + m3 + m4 + m5); 98 } 99 100 @Test 101 public void test2() { 102 test("test2Snippet", "m1", "m2", "m3", "m4", "m5"); 103 test("test2Snippet", null, "m2", "m3", "m4", "m5"); 104 } 105 106 public static String test2Snippet(String m1, String m2, String m3, String m4, String m5) { 107 if (m1 != null) { 108 try { 109 raiseException(m1, m2, m3, m4, m5); 110 } catch (Exception e) { 111 return m5 + m4 + m3 + m2 + m1; 112 } 113 } 114 return m4 + m3; 115 } 116 }