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72
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1 module dmd.UnrolledLoopStatement;
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2
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114
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3 import dmd.common;
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72
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4 import dmd.Expression;
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5 import dmd.Statement;
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6 import dmd.InterState;
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7 import dmd.ArrayTypes;
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8 import dmd.OutBuffer;
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9 import dmd.Loc;
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10 import dmd.Scope;
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11 import dmd.InlineCostState;
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12 import dmd.InlineDoState;
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13 import dmd.IRState;
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14 import dmd.HdrGenState;
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0
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15 import dmd.InlineScanState;
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72
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16 import dmd.BE;
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17
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18 import dmd.backend.BC;
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19 import dmd.backend.Blockx;
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20 import dmd.backend.block;
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21 import dmd.backend.Util;
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22
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0
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23 class UnrolledLoopStatement : Statement
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24 {
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25 Statements statements;
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26
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56
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27 this(Loc loc, Statements s)
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0
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28 {
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72
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29 super(loc);
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30 statements = s;
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0
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31 }
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32
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72
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33 override Statement syntaxCopy()
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0
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34 {
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35 assert(false);
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36 }
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37
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38 override Statement semantic(Scope sc)
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0
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39 {
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40 //printf("UnrolledLoopStatement.semantic(this = %p, sc = %p)\n", this, sc);
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41
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42 sc.noctor++;
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43 Scope scd = sc.push();
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44 scd.sbreak = this;
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45 scd.scontinue = this;
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46
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47 for (size_t i = 0; i < statements.dim; i++)
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48 {
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49 Statement s = cast(Statement) statements.data[i];
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50 if (s)
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51 {
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52 s = s.semantic(scd);
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53 statements.data[i] = cast(void*)s;
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54 }
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55 }
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56
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57 scd.pop();
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58 sc.noctor--;
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56
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59 return this;
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0
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60 }
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61
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72
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62 override bool hasBreak()
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0
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63 {
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64 assert(false);
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65 }
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66
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72
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67 override bool hasContinue()
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0
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68 {
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69 assert(false);
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70 }
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71
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72
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72 override bool usesEH()
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0
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73 {
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74 assert(false);
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75 }
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76
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72
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77 override BE blockExit()
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0
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78 {
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72
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79 BE result = BEfallthru;
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80 for (size_t i = 0; i < statements.dim; i++)
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81 {
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82 Statement s = cast(Statement) statements.data[i];
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83 if (s)
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84 {
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85 int r = s.blockExit();
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86 result |= r & ~(BEbreak | BEcontinue);
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87 }
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88 }
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56
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89 return result;
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0
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90 }
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91
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72
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92 override bool comeFrom()
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0
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93 {
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94 assert(false);
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95 }
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96
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72
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97 override Expression interpret(InterState istate)
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0
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98 {
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99 assert(false);
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100 }
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101
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72
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102 override void toCBuffer(OutBuffer buf, HdrGenState* hgs)
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0
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103 {
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104 assert(false);
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105 }
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106
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72
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107 override int inlineCost(InlineCostState* ics)
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108 {
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109 assert(false);
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110 }
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111
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112 override Expression doInline(InlineDoState ids)
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0
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113 {
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114 assert(false);
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115 }
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116
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72
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117 override Statement inlineScan(InlineScanState* iss)
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0
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118 {
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119 assert(false);
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120 }
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121
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72
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122 override void toIR(IRState* irs)
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0
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123 {
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124 Blockx* blx = irs.blx;
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125
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126 IRState mystate = IRState(irs, this);
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127 mystate.breakBlock = block_calloc(blx);
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128
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129 block* bpre = blx.curblock;
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130 block_next(blx, BCgoto, null);
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131
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132 block* bdo = blx.curblock;
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133 list_append(&bpre.Bsucc, bdo);
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134
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135 block* bdox;
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136
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137 size_t dim = statements.dim;
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138 for (size_t i = 0 ; i < dim ; i++)
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139 {
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140 Statement s = cast(Statement)statements.data[i];
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141 if (s !is null)
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142 {
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143 mystate.contBlock = block_calloc(blx);
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144
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145 s.toIR(&mystate);
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146
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147 bdox = blx.curblock;
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148 block_next(blx, BCgoto, mystate.contBlock);
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149 list_append(&bdox.Bsucc, mystate.contBlock);
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150 }
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151 }
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152
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153 bdox = blx.curblock;
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154 block_next(blx, BCgoto, mystate.breakBlock);
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67
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155 list_append(&bdox.Bsucc, mystate.breakBlock);
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0
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156 }
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157 }
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158
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