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annotate graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/CompareCanonicalizerTest.java @ 7064:8d16b9b2c51e

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first part of refactoring the InliningPhase added control-flow sensitive inlining inlining requires an Assumption object so that HotSpot can keep track of the inlined methods
author Christian Haeubl <haeubl@ssw.jku.at>
date Thu, 22 Nov 2012 13:30:14 +0100
parents ee651c726397
children f629d4a264c6
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1 /*
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2 * Copyright (c) 2012, 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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f8ba3bb81f6f Renamed com.oracle.graal.tests project to com.oracle.graal.compiler.test
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23 package com.oracle.graal.compiler.test;
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24
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25 import org.junit.*;
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26
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27 import com.oracle.graal.api.code.*;
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28 import com.oracle.graal.nodes.*;
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29 import com.oracle.graal.phases.common.*;
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30
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31 public class CompareCanonicalizerTest extends GraalCompilerTest {
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32
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33 @Test
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34 public void testCanonicalComparison() {
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35 StructuredGraph referenceGraph = parse("referenceCanonicalComparison");
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36 for (int i = 1; i < 4; i++) {
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37 StructuredGraph graph = parse("canonicalCompare" + i);
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38 assertEquals(referenceGraph, graph);
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39 }
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40 Assumptions assumptions = new Assumptions(false);
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41 new CanonicalizerPhase(null, runtime(), assumptions).apply(referenceGraph);
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42 for (int i = 1; i < 4; i++) {
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43 StructuredGraph graph = parse("canonicalCompare" + i);
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44 new CanonicalizerPhase(null, runtime(), assumptions).apply(graph);
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45 assertEquals(referenceGraph, graph);
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46 }
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47 }
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48
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49 public static int referenceCanonicalComparison(int a, int b) {
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50 if (a < b) {
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51 return 1;
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52 } else {
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53 return 2;
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54 }
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55 }
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56
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57 public static int canonicalCompare1(int a, int b) {
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58 if (a >= b) {
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59 return 2;
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60 } else {
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61 return 1;
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62 }
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63 }
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64
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65 public static int canonicalCompare2(int a, int b) {
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66 if (b > a) {
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67 return 1;
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68 } else {
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69 return 2;
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70 }
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71 }
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72
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73 public static int canonicalCompare3(int a, int b) {
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74 if (b <= a) {
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75 return 2;
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76 } else {
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77 return 1;
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78 }
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79 }
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80 }