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annotate graal/GraalCompiler/src/com/sun/c1x/value/ValueUtil.java @ 2611:bd235cb4375a

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FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
author Lukas Stadler <lukas.stadler@jku.at>
date Fri, 06 May 2011 17:08:00 +0200
parents
children abb4cc15283d
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2611
bd235cb4375a FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
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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.cri.ci.*;
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27
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28
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29 public class ValueUtil {
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30
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31 public static Value assertKind(CiKind kind, Value x) {
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32 assert x != null && (x.kind == kind) : "kind=" + kind + ", value=" + x + ((x == null) ? "" : ", value.kind=" + x.kind);
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33 return x;
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34 }
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35
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36 public static Value assertLong(Value x) {
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37 assert x != null && (x.kind == CiKind.Long);
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38 return x;
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39 }
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40
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41 public static Value assertJsr(Value x) {
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42 assert x != null && (x.kind == CiKind.Jsr);
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43 return x;
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44 }
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45
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46 public static Value assertInt(Value x) {
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47 assert x != null && (x.kind == CiKind.Int);
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48 return x;
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49 }
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50
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51 public static Value assertFloat(Value x) {
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52 assert x != null && (x.kind == CiKind.Float);
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53 return x;
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54 }
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55
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56 public static Value assertObject(Value x) {
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57 assert x != null && (x.kind == CiKind.Object);
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58 return x;
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59 }
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60
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61 public static Value assertWord(Value x) {
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62 assert x != null && (x.kind == CiKind.Word);
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63 return x;
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64 }
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65
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66 public static Value assertDouble(Value x) {
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67 assert x != null && (x.kind == CiKind.Double);
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68 return x;
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69 }
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70
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71 public static void assertHigh(Value x) {
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72 assert x == null;
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73 }
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74
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75 public static boolean typeMismatch(Value x, Value y) {
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76 return y == null || x.kind != y.kind;
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77 }
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78
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79 public static boolean isDoubleWord(Value x) {
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80 return x != null && x.kind.isDoubleWord();
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81 }
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82
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83 }