Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/value/ValueUtil.java @ 2761:d3398b21faf9
Re-enabled CFG optimization (now only on LIRBlock data structure).
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Sat, 21 May 2011 17:46:54 +0200 |
parents | abb4cc15283d |
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1 /* |
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2 * Copyright (c) 2011, 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.sun.c1x.value; |
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24 |
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25 import com.sun.c1x.ir.*; |
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26 import com.sun.c1x.util.*; |
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27 import com.sun.cri.ci.*; |
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28 |
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29 |
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30 public class ValueUtil { |
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31 |
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32 public static Value assertKind(CiKind kind, Value x) { |
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33 assert x != null && (x.kind == kind) : "kind=" + kind + ", value=" + x + ((x == null) ? "" : ", value.kind=" + x.kind); |
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34 return x; |
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35 } |
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36 |
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37 public static Value assertLong(Value x) { |
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38 assert x != null && (x.kind == CiKind.Long); |
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39 return x; |
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40 } |
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41 |
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42 public static Value assertJsr(Value x) { |
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43 assert x != null && (x.kind == CiKind.Jsr); |
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44 return x; |
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45 } |
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46 |
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47 public static Value assertInt(Value x) { |
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48 assert x != null && (x.kind == CiKind.Int); |
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49 return x; |
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50 } |
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51 |
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52 public static Value assertFloat(Value x) { |
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53 assert x != null && (x.kind == CiKind.Float); |
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54 return x; |
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55 } |
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56 |
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57 public static Value assertObject(Value x) { |
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58 assert x != null && (x.kind == CiKind.Object); |
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59 return x; |
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60 } |
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61 |
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62 public static Value assertWord(Value x) { |
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63 assert x != null && (x.kind == CiKind.Word); |
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64 return x; |
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65 } |
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66 |
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67 public static Value assertDouble(Value x) { |
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68 assert x != null && (x.kind == CiKind.Double); |
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69 return x; |
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70 } |
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71 |
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72 public static void assertHigh(Value x) { |
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73 assert x == null; |
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74 } |
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75 |
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76 public static boolean typeMismatch(Value x, Value y) { |
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77 return y == null || !Util.archKindsEqual(x, y); |
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78 } |
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79 |
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80 public static boolean isDoubleWord(Value x) { |
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81 return x != null && x.kind.isDoubleWord(); |
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82 } |
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83 |
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84 } |