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annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/ci/CiValueUtil.java @ 5507:dc71b06d09f8

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Moving classes from cri.ri to api.meta.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Thu, 07 Jun 2012 18:24:06 +0200
parents 56860d3f9f39
children
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1 /*
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2 * Copyright (c) 2012, 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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23 package com.oracle.max.cri.ci;
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24
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25 import com.oracle.graal.api.meta.*;
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26
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27 public class CiValueUtil {
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28 public static boolean isIllegal(RiValue value) {
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29 assert value != null;
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30 return value == RiValue.IllegalValue;
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31 }
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32
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33 public static boolean isLegal(RiValue value) {
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34 return !isIllegal(value);
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35 }
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36
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37 public static boolean isVirtualObject(RiValue value) {
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38 assert value != null;
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39 return value instanceof CiVirtualObject;
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40 }
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41
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42 public static CiVirtualObject asVirtualObject(RiValue value) {
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43 assert value != null;
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44 return (CiVirtualObject) value;
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45 }
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46
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47 public static boolean isConstant(RiValue value) {
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48 assert value != null;
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49 return value instanceof RiConstant;
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50 }
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51
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52 public static RiConstant asConstant(RiValue value) {
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53 assert value != null;
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54 return (RiConstant) value;
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55 }
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56
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57
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58 public static boolean isStackSlot(RiValue value) {
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59 assert value != null;
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60 return value instanceof CiStackSlot;
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61 }
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62
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63 public static CiStackSlot asStackSlot(RiValue value) {
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64 assert value != null;
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65 return (CiStackSlot) value;
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66 }
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67
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68 public static boolean isAddress(RiValue value) {
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69 assert value != null;
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70 return value instanceof CiAddress;
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71 }
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72
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73 public static CiAddress asAddress(RiValue value) {
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74 assert value != null;
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75 return (CiAddress) value;
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76 }
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77
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78
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79 public static boolean isRegister(RiValue value) {
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80 assert value != null;
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81 return value instanceof CiRegisterValue;
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82 }
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83
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84 public static CiRegister asRegister(RiValue value) {
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85 assert value != null;
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86 return ((CiRegisterValue) value).reg;
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87 }
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88
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89 public static CiRegister asIntReg(RiValue value) {
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90 assert value.kind == RiKind.Int || value.kind == RiKind.Jsr;
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91 return asRegister(value);
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92 }
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93
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94 public static CiRegister asLongReg(RiValue value) {
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95 assert value.kind == RiKind.Long : value.kind;
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96 return asRegister(value);
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97 }
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98
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99 public static CiRegister asObjectReg(RiValue value) {
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100 assert value.kind == RiKind.Object;
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101 return asRegister(value);
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102 }
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103
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104 public static CiRegister asFloatReg(RiValue value) {
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105 assert value.kind == RiKind.Float;
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106 return asRegister(value);
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107 }
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108
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109 public static CiRegister asDoubleReg(RiValue value) {
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110 assert value.kind == RiKind.Double;
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111 return asRegister(value);
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112 }
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113
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114
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115 public static boolean sameRegister(RiValue v1, RiValue v2) {
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116 return isRegister(v1) && isRegister(v2) && asRegister(v1) == asRegister(v2);
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117 }
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118
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119 public static boolean sameRegister(RiValue v1, RiValue v2, RiValue v3) {
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120 return sameRegister(v1, v2) && sameRegister(v1, v3);
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121 }
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122
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123 public static boolean differentRegisters(RiValue v1, RiValue v2) {
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124 return !isRegister(v1) || !isRegister(v2) || asRegister(v1) != asRegister(v2);
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125 }
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126
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127 public static boolean differentRegisters(RiValue v1, RiValue v2, RiValue v3) {
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128 return differentRegisters(v1, v2) && differentRegisters(v1, v3) && differentRegisters(v2, v3);
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129 }
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130 }