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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/BadLongOverflowSpecializationTest.java @ 18556:7484f5fcd41d

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removed a usages of HotSpotGraalRuntime.unsafeReadWord(); tidied up some comments
author Doug Simon <doug.simon@oracle.com>
date Wed, 26 Nov 2014 22:58:09 +0100
parents 2c68474cc893
children eecda5abf627
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1 /*
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.api.dsl.test;
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24
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25 import static com.oracle.truffle.api.dsl.test.TestHelper.*;
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26 import static org.junit.Assert.*;
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27
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28 import java.math.*;
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29
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30 import org.junit.*;
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31
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32 import com.oracle.truffle.api.*;
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33 import com.oracle.truffle.api.dsl.*;
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34 import com.oracle.truffle.api.dsl.test.BadLongOverflowSpecializationTestFactory.AddNodeFactory;
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35 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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36 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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37
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38 public class BadLongOverflowSpecializationTest {
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39
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40 @NodeChildren({@NodeChild("left"), @NodeChild("right")})
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41 abstract static class BinaryNode extends ValueNode {
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42 }
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43
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44 abstract static class AddNode extends BinaryNode {
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45 @Specialization(rewriteOn = ArithmeticException.class)
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46 int add(int left, int right) {
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47 return ExactMath.addExact(left, right);
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48 }
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49
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50 @Specialization
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51 long addIntWithOverflow(int left, int right) {
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52 return (long) left + (long) right;
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53 }
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54
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55 @Specialization(rewriteOn = ArithmeticException.class)
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56 Object add(long left, long right) {
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57 return ExactMath.addExact(left, right);
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58 }
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59
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60 @Specialization
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61 BigInteger addSlow(long left, long right) {
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62 return BigInteger.valueOf(left).add(BigInteger.valueOf(right));
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63 }
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64 }
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65
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66 @Test
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67 @Ignore
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68 public void testAdd() {
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69 TestRootNode<AddNode> node = createRoot(AddNodeFactory.getInstance());
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70
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71 long index = -1;
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72 int baseStep = 0;
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73 Object r1 = executeWith(node, index, baseStep);
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74 assertEquals(-1L, r1);
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75
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76 long err = 5000;
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77 long errStep = 2000;
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78 Object r2 = executeWith(node, err, errStep);
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79
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80 assertEquals(Long.class, r2.getClass());
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81 assertEquals(7000L, r2);
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82 }
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83 }