CompiledExceptionHandlerTest.java revision 12651:6ef01bd40ce2 
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 */
23package org.graalvm.compiler.replacements.test;
24
25import org.junit.Assert;
26import org.junit.Test;
27
28import org.graalvm.compiler.core.common.CompilationIdentifier;
29import org.graalvm.compiler.core.phases.HighTier;
30import org.graalvm.compiler.core.test.GraalCompilerTest;
31import org.graalvm.compiler.nodes.StructuredGraph;
32import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
33import org.graalvm.compiler.nodes.ValueNode;
34import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
35import org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo;
36import org.graalvm.compiler.nodes.java.ExceptionObjectNode;
37import org.graalvm.compiler.options.OptionValue;
38import org.graalvm.compiler.options.OptionValue.OverrideScope;
39import org.graalvm.compiler.phases.tiers.Suites;
40
41import jdk.vm.ci.meta.ResolvedJavaMethod;
42
43/**
44 * Tests compilation of a hot exception handler.
45 */
46public 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}
117