Mercurial > hg > CbC > CbC_gcc
annotate gcc/graphite-dependences.c @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Mon, 24 May 2010 12:47:05 +0900 |
parents | 77e2b8dfacca |
children | f6334be47118 |
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1 /* Data dependence analysis for Graphite. |
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2 Copyright (C) 2009, 2010 Free Software Foundation, Inc. |
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3 Contributed by Sebastian Pop <sebastian.pop@amd.com> and |
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4 Konrad Trifunovic <konrad.trifunovic@inria.fr>. |
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5 |
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6 This file is part of GCC. |
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7 |
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8 GCC is free software; you can redistribute it and/or modify |
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9 it under the terms of the GNU General Public License as published by |
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10 the Free Software Foundation; either version 3, or (at your option) |
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11 any later version. |
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12 |
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13 GCC is distributed in the hope that it will be useful, |
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with GCC; see the file COPYING3. If not see |
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20 <http://www.gnu.org/licenses/>. */ |
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21 |
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22 #include "config.h" |
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23 #include "system.h" |
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24 #include "coretypes.h" |
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25 #include "tm.h" |
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26 #include "ggc.h" |
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27 #include "tree.h" |
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28 #include "rtl.h" |
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29 #include "basic-block.h" |
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30 #include "diagnostic.h" |
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31 #include "tree-flow.h" |
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32 #include "toplev.h" |
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33 #include "tree-dump.h" |
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34 #include "timevar.h" |
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35 #include "cfgloop.h" |
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36 #include "tree-chrec.h" |
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37 #include "tree-data-ref.h" |
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38 #include "tree-scalar-evolution.h" |
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39 #include "tree-pass.h" |
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40 #include "domwalk.h" |
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41 #include "pointer-set.h" |
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42 #include "gimple.h" |
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43 |
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44 #ifdef HAVE_cloog |
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45 #include "cloog/cloog.h" |
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46 #include "ppl_c.h" |
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47 #include "sese.h" |
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48 #include "graphite-ppl.h" |
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49 #include "graphite.h" |
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50 #include "graphite-poly.h" |
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51 #include "graphite-dependences.h" |
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52 |
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53 /* Returns a new polyhedral Data Dependence Relation (DDR). SOURCE is |
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54 the source data reference, SINK is the sink data reference. When |
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55 the Data Dependence Polyhedron DDP is not NULL or not empty, SOURCE |
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56 and SINK are in dependence as described by DDP. */ |
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57 |
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58 static poly_ddr_p |
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59 new_poly_ddr (poly_dr_p source, poly_dr_p sink, |
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60 ppl_Pointset_Powerset_C_Polyhedron_t ddp, |
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61 bool original_scattering_p) |
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62 { |
63
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63 poly_ddr_p pddr = XNEW (struct poly_ddr); |
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64 |
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65 PDDR_SOURCE (pddr) = source; |
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66 PDDR_SINK (pddr) = sink; |
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67 PDDR_DDP (pddr) = ddp; |
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68 PDDR_ORIGINAL_SCATTERING_P (pddr) = original_scattering_p; |
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69 |
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70 if (!ddp || ppl_Pointset_Powerset_C_Polyhedron_is_empty (ddp)) |
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71 PDDR_KIND (pddr) = no_dependence; |
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72 else |
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73 PDDR_KIND (pddr) = has_dependence; |
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74 |
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75 return pddr; |
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76 } |
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77 |
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78 /* Free the poly_ddr_p P. */ |
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79 |
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80 void |
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81 free_poly_ddr (void *p) |
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82 { |
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83 poly_ddr_p pddr = (poly_ddr_p) p; |
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84 ppl_delete_Pointset_Powerset_C_Polyhedron (PDDR_DDP (pddr)); |
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85 free (pddr); |
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86 } |
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87 |
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88 /* Comparison function for poly_ddr hash table. */ |
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89 |
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90 int |
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91 eq_poly_ddr_p (const void *pddr1, const void *pddr2) |
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92 { |
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93 const struct poly_ddr *p1 = (const struct poly_ddr *) pddr1; |
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94 const struct poly_ddr *p2 = (const struct poly_ddr *) pddr2; |
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95 |
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96 return (PDDR_SOURCE (p1) == PDDR_SOURCE (p2) |
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97 && PDDR_SINK (p1) == PDDR_SINK (p2)); |
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98 } |
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99 |
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100 /* Hash function for poly_ddr hashtable. */ |
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101 |
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102 hashval_t |
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103 hash_poly_ddr_p (const void *pddr) |
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104 { |
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105 const struct poly_ddr *p = (const struct poly_ddr *) pddr; |
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106 |
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107 return (hashval_t) ((long) PDDR_SOURCE (p) + (long) PDDR_SINK (p)); |
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108 } |
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109 |
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110 /* Returns true when PDDR has no dependence. */ |
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111 |
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112 static bool |
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113 pddr_is_empty (poly_ddr_p pddr) |
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114 { |
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115 if (!pddr) |
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116 return true; |
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117 |
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118 gcc_assert (PDDR_KIND (pddr) != unknown_dependence); |
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119 |
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120 return PDDR_KIND (pddr) == no_dependence ? true : false; |
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121 } |
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122 |
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123 /* Prints to FILE the layout of the dependence polyhedron of PDDR: |
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124 |
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125 T1|I1|T2|I2|S1|S2|G |
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126 |
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127 with |
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128 | T1 and T2 the scattering dimensions for PDDR_SOURCE and PDDR_SINK |
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129 | I1 and I2 the iteration domains |
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130 | S1 and S2 the subscripts |
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131 | G the global parameters. */ |
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132 |
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133 static void |
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134 print_dependence_polyhedron_layout (FILE *file, poly_ddr_p pddr) |
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135 { |
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136 poly_dr_p pdr1 = PDDR_SOURCE (pddr); |
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137 poly_dr_p pdr2 = PDDR_SINK (pddr); |
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138 poly_bb_p pbb1 = PDR_PBB (pdr1); |
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139 poly_bb_p pbb2 = PDR_PBB (pdr2); |
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140 |
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141 graphite_dim_t i; |
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142 graphite_dim_t tdim1 = PDDR_ORIGINAL_SCATTERING_P (pddr) ? |
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143 pbb_nb_scattering_orig (pbb1) : pbb_nb_scattering_transform (pbb1); |
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144 graphite_dim_t tdim2 = PDDR_ORIGINAL_SCATTERING_P (pddr) ? |
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145 pbb_nb_scattering_orig (pbb2) : pbb_nb_scattering_transform (pbb2); |
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146 graphite_dim_t idim1 = pbb_dim_iter_domain (pbb1); |
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147 graphite_dim_t idim2 = pbb_dim_iter_domain (pbb2); |
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148 graphite_dim_t sdim1 = PDR_NB_SUBSCRIPTS (pdr1) + 1; |
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149 graphite_dim_t sdim2 = PDR_NB_SUBSCRIPTS (pdr2) + 1; |
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150 graphite_dim_t gdim = scop_nb_params (PBB_SCOP (pbb1)); |
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151 |
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152 fprintf (file, "# eq"); |
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153 |
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154 for (i = 0; i < tdim1; i++) |
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155 fprintf (file, " t1_%d", (int) i); |
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156 for (i = 0; i < idim1; i++) |
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157 fprintf (file, " i1_%d", (int) i); |
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158 for (i = 0; i < tdim2; i++) |
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159 fprintf (file, " t2_%d", (int) i); |
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160 for (i = 0; i < idim2; i++) |
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161 fprintf (file, " i2_%d", (int) i); |
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162 for (i = 0; i < sdim1; i++) |
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163 fprintf (file, " s1_%d", (int) i); |
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164 for (i = 0; i < sdim2; i++) |
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165 fprintf (file, " s2_%d", (int) i); |
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166 for (i = 0; i < gdim; i++) |
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167 fprintf (file, " g_%d", (int) i); |
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168 |
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169 fprintf (file, " cst\n"); |
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170 } |
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171 |
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172 /* Prints to FILE the poly_ddr_p PDDR. */ |
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173 |
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174 void |
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175 print_pddr (FILE *file, poly_ddr_p pddr) |
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176 { |
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177 fprintf (file, "pddr (kind: "); |
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178 |
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179 if (PDDR_KIND (pddr) == unknown_dependence) |
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180 fprintf (file, "unknown_dependence"); |
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181 else if (PDDR_KIND (pddr) == no_dependence) |
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182 fprintf (file, "no_dependence"); |
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183 else if (PDDR_KIND (pddr) == has_dependence) |
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184 fprintf (file, "has_dependence"); |
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185 |
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186 fprintf (file, "\n source "); |
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187 print_pdr (file, PDDR_SOURCE (pddr), 2); |
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188 |
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189 fprintf (file, "\n sink "); |
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190 print_pdr (file, PDDR_SINK (pddr), 2); |
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191 |
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192 if (PDDR_KIND (pddr) == has_dependence) |
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193 { |
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194 fprintf (file, "\n dependence polyhedron (\n"); |
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195 print_dependence_polyhedron_layout (file, pddr); |
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196 ppl_print_powerset_matrix (file, PDDR_DDP (pddr)); |
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197 fprintf (file, ")\n"); |
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198 } |
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199 |
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200 fprintf (file, ")\n"); |
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201 } |
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202 |
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203 /* Prints to STDERR the poly_ddr_p PDDR. */ |
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204 |
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205 void |
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206 debug_pddr (poly_ddr_p pddr) |
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207 { |
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208 print_pddr (stderr, pddr); |
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209 } |
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210 |
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211 |
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212 /* Remove all the dimensions except alias information at dimension |
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213 ALIAS_DIM. */ |
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214 |
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215 static void |
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216 build_alias_set_powerset (ppl_Pointset_Powerset_C_Polyhedron_t alias_powerset, |
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217 ppl_dimension_type alias_dim) |
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218 { |
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219 ppl_dimension_type *ds; |
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220 ppl_dimension_type access_dim; |
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221 unsigned i, pos = 0; |
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222 |
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223 ppl_Pointset_Powerset_C_Polyhedron_space_dimension (alias_powerset, |
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224 &access_dim); |
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225 ds = XNEWVEC (ppl_dimension_type, access_dim-1); |
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226 for (i = 0; i < access_dim; i++) |
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227 { |
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228 if (i == alias_dim) |
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229 continue; |
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230 |
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231 ds[pos] = i; |
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232 pos++; |
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233 } |
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234 |
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235 ppl_Pointset_Powerset_C_Polyhedron_remove_space_dimensions (alias_powerset, |
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236 ds, |
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237 access_dim - 1); |
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238 free (ds); |
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239 } |
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240 |
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241 /* Return true when PDR1 and PDR2 may alias. */ |
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242 |
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243 static bool |
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244 poly_drs_may_alias_p (poly_dr_p pdr1, poly_dr_p pdr2) |
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245 { |
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246 ppl_Pointset_Powerset_C_Polyhedron_t alias_powerset1, alias_powerset2; |
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247 ppl_Pointset_Powerset_C_Polyhedron_t accesses1 = PDR_ACCESSES (pdr1); |
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248 ppl_Pointset_Powerset_C_Polyhedron_t accesses2 = PDR_ACCESSES (pdr2); |
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249 ppl_dimension_type alias_dim1 = pdr_alias_set_dim (pdr1); |
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250 ppl_dimension_type alias_dim2 = pdr_alias_set_dim (pdr2); |
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251 int empty_p; |
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252 |
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253 ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron |
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254 (&alias_powerset1, accesses1); |
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255 ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron |
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256 (&alias_powerset2, accesses2); |
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257 |
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258 build_alias_set_powerset (alias_powerset1, alias_dim1); |
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259 build_alias_set_powerset (alias_powerset2, alias_dim2); |
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260 |
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261 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign |
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262 (alias_powerset1, alias_powerset2); |
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263 |
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264 empty_p = ppl_Pointset_Powerset_C_Polyhedron_is_empty (alias_powerset1); |
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265 |
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266 ppl_delete_Pointset_Powerset_C_Polyhedron (alias_powerset1); |
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267 ppl_delete_Pointset_Powerset_C_Polyhedron (alias_powerset2); |
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268 |
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269 return !empty_p; |
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270 } |
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271 |
63
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272 /* Swap [cut0, ..., cut1] to the end of DR: "a CUT0 b CUT1 c" is |
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273 transformed into "a CUT0 c CUT1' b" |
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274 |
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275 Add NB0 zeros before "a": "00...0 a CUT0 c CUT1' b" |
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276 Add NB1 zeros between "a" and "c": "00...0 a 00...0 c CUT1' b" |
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277 Add DIM - NB0 - NB1 - PDIM zeros between "c" and "b": |
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278 "00...0 a 00...0 c 00...0 b". */ |
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279 |
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280 static ppl_Pointset_Powerset_C_Polyhedron_t |
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281 map_dr_into_dep_poly (graphite_dim_t dim, |
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282 ppl_Pointset_Powerset_C_Polyhedron_t dr, |
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283 graphite_dim_t cut0, graphite_dim_t cut1, |
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284 graphite_dim_t nb0, graphite_dim_t nb1) |
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285 { |
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286 ppl_dimension_type pdim; |
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287 ppl_dimension_type *map; |
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288 ppl_Pointset_Powerset_C_Polyhedron_t res; |
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289 ppl_dimension_type i; |
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290 |
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291 ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron |
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292 (&res, dr); |
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293 ppl_Pointset_Powerset_C_Polyhedron_space_dimension (res, &pdim); |
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294 |
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295 map = (ppl_dimension_type *) XNEWVEC (ppl_dimension_type, pdim); |
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296 |
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297 /* First mapping: move 'g' vector to right position. */ |
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298 for (i = 0; i < cut0; i++) |
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299 map[i] = i; |
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300 |
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301 for (i = cut0; i < cut1; i++) |
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302 map[i] = pdim - cut1 + i; |
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303 |
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304 for (i = cut1; i < pdim; i++) |
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305 map[i] = cut0 + i - cut1; |
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306 |
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307 ppl_Pointset_Powerset_C_Polyhedron_map_space_dimensions (res, map, pdim); |
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308 free (map); |
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309 |
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310 /* After swapping 's' and 'g' vectors, we have to update a new cut. */ |
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311 cut1 = pdim - cut1 + cut0; |
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312 |
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313 ppl_insert_dimensions_pointset (res, 0, nb0); |
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314 ppl_insert_dimensions_pointset (res, nb0 + cut0, nb1); |
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315 ppl_insert_dimensions_pointset (res, nb0 + nb1 + cut1, |
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316 dim - nb0 - nb1 - pdim); |
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317 |
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318 return res; |
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319 } |
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320 |
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321 /* Builds subscript equality constraints. */ |
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322 |
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323 static ppl_Pointset_Powerset_C_Polyhedron_t |
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324 dr_equality_constraints (graphite_dim_t dim, |
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325 graphite_dim_t pos, graphite_dim_t nb_subscripts) |
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326 { |
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327 ppl_Polyhedron_t eqs; |
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328 ppl_Pointset_Powerset_C_Polyhedron_t res; |
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329 graphite_dim_t i; |
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330 |
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331 ppl_new_C_Polyhedron_from_space_dimension (&eqs, dim, 0); |
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332 |
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333 for (i = 0; i < nb_subscripts; i++) |
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334 { |
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335 ppl_Constraint_t cstr |
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336 = ppl_build_relation (dim, pos + i, pos + i + nb_subscripts, |
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337 0, PPL_CONSTRAINT_TYPE_EQUAL); |
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338 ppl_Polyhedron_add_constraint (eqs, cstr); |
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339 ppl_delete_Constraint (cstr); |
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340 } |
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341 |
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342 ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&res, eqs); |
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343 ppl_delete_Polyhedron (eqs); |
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344 return res; |
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345 } |
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346 |
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347 /* Builds scheduling inequality constraints: when DIRECTION is |
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348 1 builds a GE constraint, |
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349 0 builds an EQ constraint, |
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350 -1 builds a LE constraint. */ |
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351 |
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352 static ppl_Pointset_Powerset_C_Polyhedron_t |
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353 build_pairwise_scheduling (graphite_dim_t dim, |
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354 graphite_dim_t pos, |
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355 graphite_dim_t offset, |
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356 int direction) |
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357 { |
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358 ppl_Pointset_Powerset_C_Polyhedron_t res; |
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359 ppl_Polyhedron_t equalities; |
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360 ppl_Constraint_t cstr; |
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361 |
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362 ppl_new_C_Polyhedron_from_space_dimension (&equalities, dim, 0); |
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363 |
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364 switch (direction) |
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365 { |
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366 case -1: |
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367 cstr = ppl_build_relation (dim, pos, pos + offset, 1, |
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368 PPL_CONSTRAINT_TYPE_LESS_OR_EQUAL); |
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369 break; |
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370 |
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371 case 0: |
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372 cstr = ppl_build_relation (dim, pos, pos + offset, 0, |
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373 PPL_CONSTRAINT_TYPE_EQUAL); |
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374 break; |
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375 |
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376 case 1: |
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377 cstr = ppl_build_relation (dim, pos, pos + offset, -1, |
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378 PPL_CONSTRAINT_TYPE_GREATER_OR_EQUAL); |
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379 break; |
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380 |
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381 default: |
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382 gcc_unreachable (); |
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383 } |
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384 |
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385 ppl_Polyhedron_add_constraint (equalities, cstr); |
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386 ppl_delete_Constraint (cstr); |
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387 |
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388 ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&res, equalities); |
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389 ppl_delete_Polyhedron (equalities); |
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390 return res; |
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391 } |
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392 |
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393 /* Add to a non empty polyhedron BAG the precedence constraints for |
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394 the lexicographical comparison of time vectors in BAG following the |
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395 lexicographical order. DIM is the dimension of the polyhedron BAG. |
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396 TDIM is the number of loops common to the two statements that are |
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397 compared lexicographically, i.e. the number of loops containing |
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398 both statements. OFFSET is the number of dimensions needed to |
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399 represent the first statement, i.e. dimT1 + dimI1 in the layout of |
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400 the BAG polyhedron: T1|I1|T2|I2|S1|S2|G. When DIRECTION is set to |
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401 1, compute the direct dependence from PDR1 to PDR2, and when |
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402 DIRECTION is -1, compute the reversed dependence relation, from |
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403 PDR2 to PDR1. */ |
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404 |
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405 static ppl_Pointset_Powerset_C_Polyhedron_t |
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406 build_lexicographical_constraint (ppl_Pointset_Powerset_C_Polyhedron_t bag, |
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407 graphite_dim_t dim, |
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408 graphite_dim_t tdim, |
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409 graphite_dim_t offset, |
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410 int direction) |
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411 { |
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412 graphite_dim_t i; |
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413 ppl_Pointset_Powerset_C_Polyhedron_t res, lex; |
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414 |
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415 ppl_new_Pointset_Powerset_C_Polyhedron_from_space_dimension (&res, dim, 1); |
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416 |
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417 lex = build_pairwise_scheduling (dim, 0, offset, direction); |
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418 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (lex, bag); |
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419 |
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420 if (!ppl_Pointset_Powerset_C_Polyhedron_is_empty (lex)) |
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421 ppl_Pointset_Powerset_C_Polyhedron_upper_bound_assign (res, lex); |
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422 |
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423 ppl_delete_Pointset_Powerset_C_Polyhedron (lex); |
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424 |
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425 for (i = 0; i < tdim - 1; i++) |
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426 { |
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427 ppl_Pointset_Powerset_C_Polyhedron_t sceq; |
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428 |
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429 sceq = build_pairwise_scheduling (dim, i, offset, 0); |
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430 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (bag, sceq); |
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431 ppl_delete_Pointset_Powerset_C_Polyhedron (sceq); |
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432 |
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433 lex = build_pairwise_scheduling (dim, i + 1, offset, direction); |
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434 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (lex, bag); |
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435 |
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436 if (!ppl_Pointset_Powerset_C_Polyhedron_is_empty (lex)) |
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437 ppl_Pointset_Powerset_C_Polyhedron_upper_bound_assign (res, lex); |
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438 |
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439 ppl_delete_Pointset_Powerset_C_Polyhedron (lex); |
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440 } |
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441 |
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442 return res; |
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443 } |
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444 |
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445 /* Build the dependence polyhedron for data references PDR1 and PDR2. |
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446 The layout of the dependence polyhedron is: |
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447 |
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448 T1|I1|T2|I2|S1|S2|G |
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449 |
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450 with |
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451 | T1 and T2 the scattering dimensions for PDR1 and PDR2 |
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452 | I1 and I2 the iteration domains |
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453 | S1 and S2 the subscripts |
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454 | G the global parameters. |
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455 |
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456 When DIRECTION is set to 1, compute the direct dependence from PDR1 |
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457 to PDR2, and when DIRECTION is -1, compute the reversed dependence |
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458 relation, from PDR2 to PDR1. */ |
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459 |
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460 static ppl_Pointset_Powerset_C_Polyhedron_t |
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461 dependence_polyhedron_1 (poly_dr_p pdr1, poly_dr_p pdr2, |
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462 int direction, bool original_scattering_p) |
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463 { |
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464 poly_bb_p pbb1 = PDR_PBB (pdr1); |
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465 poly_bb_p pbb2 = PDR_PBB (pdr2); |
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466 scop_p scop = PBB_SCOP (pbb1); |
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467 graphite_dim_t tdim1 = original_scattering_p ? |
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468 pbb_nb_scattering_orig (pbb1) : pbb_nb_scattering_transform (pbb1); |
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469 graphite_dim_t tdim2 = original_scattering_p ? |
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470 pbb_nb_scattering_orig (pbb2) : pbb_nb_scattering_transform (pbb2); |
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471 graphite_dim_t ddim1 = pbb_dim_iter_domain (pbb1); |
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472 graphite_dim_t ddim2 = pbb_dim_iter_domain (pbb2); |
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473 graphite_dim_t sdim1 = PDR_NB_SUBSCRIPTS (pdr1) + 1; |
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474 graphite_dim_t sdim2 = PDR_NB_SUBSCRIPTS (pdr2) + 1; |
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475 graphite_dim_t gdim = scop_nb_params (scop); |
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476 graphite_dim_t dim1 = pdr_dim (pdr1); |
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477 graphite_dim_t dim2 = pdr_dim (pdr2); |
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478 graphite_dim_t dim = tdim1 + tdim2 + dim1 + dim2 - gdim; |
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479 ppl_Pointset_Powerset_C_Polyhedron_t res; |
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480 ppl_Pointset_Powerset_C_Polyhedron_t idr1, idr2; |
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481 ppl_Pointset_Powerset_C_Polyhedron_t sc1, sc2, dreq; |
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482 |
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483 gcc_assert (PBB_SCOP (pbb1) == PBB_SCOP (pbb2)); |
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484 |
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485 combine_context_id_scat (&sc1, pbb1, original_scattering_p); |
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486 combine_context_id_scat (&sc2, pbb2, original_scattering_p); |
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487 |
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488 ppl_insert_dimensions_pointset (sc1, tdim1 + ddim1, |
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489 tdim2 + ddim2 + sdim1 + sdim2); |
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490 |
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491 ppl_insert_dimensions_pointset (sc2, 0, tdim1 + ddim1); |
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492 ppl_insert_dimensions_pointset (sc2, tdim1 + ddim1 + tdim2 + ddim2, |
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493 sdim1 + sdim2); |
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494 |
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495 idr1 = map_dr_into_dep_poly (dim, PDR_ACCESSES (pdr1), ddim1, ddim1 + gdim, |
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496 tdim1, tdim2 + ddim2); |
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497 idr2 = map_dr_into_dep_poly (dim, PDR_ACCESSES (pdr2), ddim2, ddim2 + gdim, |
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498 tdim1 + ddim1 + tdim2, sdim1); |
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499 |
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500 /* Now add the subscript equalities. */ |
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501 dreq = dr_equality_constraints (dim, tdim1 + ddim1 + tdim2 + ddim2, sdim1); |
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502 |
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503 ppl_new_Pointset_Powerset_C_Polyhedron_from_space_dimension (&res, dim, 0); |
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504 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (res, sc1); |
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505 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (res, sc2); |
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506 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (res, idr1); |
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507 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (res, idr2); |
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508 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (res, dreq); |
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509 ppl_delete_Pointset_Powerset_C_Polyhedron (sc1); |
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510 ppl_delete_Pointset_Powerset_C_Polyhedron (sc2); |
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511 ppl_delete_Pointset_Powerset_C_Polyhedron (idr1); |
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512 ppl_delete_Pointset_Powerset_C_Polyhedron (idr2); |
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513 ppl_delete_Pointset_Powerset_C_Polyhedron (dreq); |
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514 |
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515 if (!ppl_Pointset_Powerset_C_Polyhedron_is_empty (res)) |
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516 { |
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517 ppl_Pointset_Powerset_C_Polyhedron_t lex = |
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518 build_lexicographical_constraint (res, dim, MIN (tdim1, tdim2), |
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519 tdim1 + ddim1, direction); |
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520 ppl_delete_Pointset_Powerset_C_Polyhedron (res); |
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521 res = lex; |
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522 } |
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523 |
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524 return res; |
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525 } |
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526 |
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527 /* Build the dependence polyhedron for data references PDR1 and PDR2. |
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528 If possible use already cached information. |
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529 |
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530 When DIRECTION is set to 1, compute the direct dependence from PDR1 |
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531 to PDR2, and when DIRECTION is -1, compute the reversed dependence |
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532 relation, from PDR2 to PDR1. */ |
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533 |
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534 static poly_ddr_p |
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535 dependence_polyhedron (poly_dr_p pdr1, poly_dr_p pdr2, |
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536 int direction, bool original_scattering_p) |
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537 { |
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538 PTR *x = NULL; |
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539 poly_ddr_p res; |
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540 ppl_Pointset_Powerset_C_Polyhedron_t ddp; |
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541 |
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542 /* Return the PDDR from the cache if it already has been computed. */ |
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543 if (original_scattering_p) |
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544 { |
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545 struct poly_ddr tmp; |
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546 scop_p scop = PBB_SCOP (PDR_PBB (pdr1)); |
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547 |
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548 tmp.source = pdr1; |
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549 tmp.sink = pdr2; |
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550 x = htab_find_slot (SCOP_ORIGINAL_PDDRS (scop), |
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551 &tmp, INSERT); |
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552 |
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553 if (x && *x) |
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554 return (poly_ddr_p) *x; |
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555 } |
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556 |
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557 if ((pdr_read_p (pdr1) && pdr_read_p (pdr2)) |
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558 || PDR_BASE_OBJECT_SET (pdr1) != PDR_BASE_OBJECT_SET (pdr2) |
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559 || PDR_NB_SUBSCRIPTS (pdr1) != PDR_NB_SUBSCRIPTS (pdr2) |
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560 || !poly_drs_may_alias_p (pdr1, pdr2)) |
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561 ddp = NULL; |
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562 else |
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563 ddp = dependence_polyhedron_1 (pdr1, pdr2, direction, |
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564 original_scattering_p); |
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565 |
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566 res = new_poly_ddr (pdr1, pdr2, ddp, original_scattering_p); |
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567 |
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568 if (!(pdr_read_p (pdr1) && pdr_read_p (pdr2)) |
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569 && PDR_BASE_OBJECT_SET (pdr1) != PDR_BASE_OBJECT_SET (pdr2) |
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570 && poly_drs_may_alias_p (pdr1, pdr2)) |
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571 PDDR_KIND (res) = unknown_dependence; |
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572 |
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573 if (original_scattering_p) |
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574 *x = res; |
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575 |
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576 return res; |
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577 } |
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578 |
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579 /* Return true when the data dependence relation between the data |
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580 references PDR1 belonging to PBB1 and PDR2 is part of a |
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581 reduction. */ |
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582 |
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583 static inline bool |
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584 reduction_dr_1 (poly_bb_p pbb1, poly_dr_p pdr1, poly_dr_p pdr2) |
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585 { |
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586 int i; |
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587 poly_dr_p pdr; |
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588 |
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589 for (i = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb1), i, pdr); i++) |
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590 if (PDR_TYPE (pdr) == PDR_WRITE) |
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591 break; |
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592 |
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593 return same_pdr_p (pdr, pdr1) && same_pdr_p (pdr, pdr2); |
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594 } |
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595 |
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596 /* Return true when the data dependence relation between the data |
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597 references PDR1 belonging to PBB1 and PDR2 belonging to PBB2 is |
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598 part of a reduction. */ |
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599 |
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600 static inline bool |
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601 reduction_dr_p (poly_dr_p pdr1, poly_dr_p pdr2) |
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602 { |
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603 poly_bb_p pbb1 = PDR_PBB (pdr1); |
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604 poly_bb_p pbb2 = PDR_PBB (pdr2); |
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605 |
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606 if (PBB_IS_REDUCTION (pbb1)) |
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607 return reduction_dr_1 (pbb1, pdr1, pdr2); |
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608 |
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609 if (PBB_IS_REDUCTION (pbb2)) |
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610 return reduction_dr_1 (pbb2, pdr2, pdr1); |
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611 |
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612 return false; |
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613 } |
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614 |
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615 /* Returns true when the PBB_TRANSFORMED_SCATTERING functions of PBB1 |
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616 and PBB2 respect the data dependences of PBB_ORIGINAL_SCATTERING |
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617 functions. */ |
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618 |
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619 static bool |
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620 graphite_legal_transform_dr (poly_dr_p pdr1, poly_dr_p pdr2) |
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621 { |
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622 ppl_Pointset_Powerset_C_Polyhedron_t po, pt; |
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623 graphite_dim_t ddim1, otdim1, otdim2, ttdim1, ttdim2; |
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624 ppl_Pointset_Powerset_C_Polyhedron_t po_temp; |
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625 ppl_dimension_type pdim; |
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626 bool is_empty_p; |
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627 poly_ddr_p opddr, tpddr; |
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628 poly_bb_p pbb1, pbb2; |
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629 |
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630 if (reduction_dr_p (pdr1, pdr2)) |
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631 return true; |
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632 |
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633 /* We build the reverse dependence relation for the transformed |
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634 scattering, such that when we intersect it with the original PO, |
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635 we get an empty intersection when the transform is legal: |
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636 i.e. the transform should reverse no dependences, and so PT, the |
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637 reversed transformed PDDR, should have no constraint from PO. */ |
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638 opddr = dependence_polyhedron (pdr1, pdr2, 1, true); |
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639 |
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640 if (PDDR_KIND (opddr) == unknown_dependence) |
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641 return false; |
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642 |
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643 /* There are no dependences between PDR1 and PDR2 in the original |
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644 version of the program, or after the transform, so the |
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645 transform is legal. */ |
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646 if (pddr_is_empty (opddr)) |
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647 return true; |
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648 |
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649 tpddr = dependence_polyhedron (pdr1, pdr2, -1, false); |
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650 |
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651 if (PDDR_KIND (tpddr) == unknown_dependence) |
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652 { |
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653 free_poly_ddr (tpddr); |
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654 return false; |
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655 } |
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656 |
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657 if (pddr_is_empty (tpddr)) |
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658 { |
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659 free_poly_ddr (tpddr); |
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660 return true; |
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661 } |
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662 |
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663 po = PDDR_DDP (opddr); |
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664 pt = PDDR_DDP (tpddr); |
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665 |
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666 /* Copy PO into PO_TEMP, such that PO is not destroyed. PO is |
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667 stored in a cache and should not be modified or freed. */ |
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668 ppl_Pointset_Powerset_C_Polyhedron_space_dimension (po, &pdim); |
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669 ppl_new_Pointset_Powerset_C_Polyhedron_from_space_dimension (&po_temp, |
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670 pdim, 0); |
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671 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (po_temp, po); |
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672 |
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673 /* Extend PO and PT to have the same dimensions. */ |
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674 pbb1 = PDR_PBB (pdr1); |
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675 pbb2 = PDR_PBB (pdr2); |
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676 ddim1 = pbb_dim_iter_domain (pbb1); |
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677 otdim1 = pbb_nb_scattering_orig (pbb1); |
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678 otdim2 = pbb_nb_scattering_orig (pbb2); |
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679 ttdim1 = pbb_nb_scattering_transform (pbb1); |
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680 ttdim2 = pbb_nb_scattering_transform (pbb2); |
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681 ppl_insert_dimensions_pointset (po_temp, otdim1, ttdim1); |
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682 ppl_insert_dimensions_pointset (po_temp, otdim1 + ttdim1 + ddim1 + otdim2, |
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683 ttdim2); |
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684 ppl_insert_dimensions_pointset (pt, 0, otdim1); |
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685 ppl_insert_dimensions_pointset (pt, otdim1 + ttdim1 + ddim1, otdim2); |
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686 |
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687 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (po_temp, pt); |
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688 is_empty_p = ppl_Pointset_Powerset_C_Polyhedron_is_empty (po_temp); |
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689 |
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690 ppl_delete_Pointset_Powerset_C_Polyhedron (po_temp); |
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691 free_poly_ddr (tpddr); |
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692 |
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693 if (dump_file && (dump_flags & TDF_DETAILS)) |
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694 fprintf (dump_file, "\nloop carries dependency.\n"); |
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695 |
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696 return is_empty_p; |
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697 } |
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698 |
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699 /* Return true when the data dependence relation for PBB1 and PBB2 is |
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700 part of a reduction. */ |
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701 |
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702 static inline bool |
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703 reduction_ddr_p (poly_bb_p pbb1, poly_bb_p pbb2) |
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704 { |
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705 return pbb1 == pbb2 && PBB_IS_REDUCTION (pbb1); |
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706 } |
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707 |
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708 /* Iterates over the data references of PBB1 and PBB2 and detect |
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709 whether the transformed schedule is correct. */ |
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710 |
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711 static bool |
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712 graphite_legal_transform_bb (poly_bb_p pbb1, poly_bb_p pbb2) |
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713 { |
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714 int i, j; |
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715 poly_dr_p pdr1, pdr2; |
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716 |
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717 if (!PBB_PDR_DUPLICATES_REMOVED (pbb1)) |
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718 pbb_remove_duplicate_pdrs (pbb1); |
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719 |
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720 if (!PBB_PDR_DUPLICATES_REMOVED (pbb2)) |
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721 pbb_remove_duplicate_pdrs (pbb2); |
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changeset
|
722 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
723 if (reduction_ddr_p (pbb1, pbb2)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
724 return true; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
725 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
726 for (i = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb1), i, pdr1); i++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
727 for (j = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb2), j, pdr2); j++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
728 if (!graphite_legal_transform_dr (pdr1, pdr2)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
729 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
730 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
731 return true; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
732 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
733 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
734 /* Iterates over the SCOP and detect whether the transformed schedule |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
735 is correct. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
736 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
737 bool |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
738 graphite_legal_transform (scop_p scop) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
739 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
740 int i, j; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
741 poly_bb_p pbb1, pbb2; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
742 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
743 timevar_push (TV_GRAPHITE_DATA_DEPS); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
744 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
745 for (i = 0; VEC_iterate (poly_bb_p, SCOP_BBS (scop), i, pbb1); i++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
746 for (j = 0; VEC_iterate (poly_bb_p, SCOP_BBS (scop), j, pbb2); j++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
747 if (!graphite_legal_transform_bb (pbb1, pbb2)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
748 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
749 timevar_pop (TV_GRAPHITE_DATA_DEPS); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
750 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
751 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
752 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
753 timevar_pop (TV_GRAPHITE_DATA_DEPS); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
754 return true; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
755 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
756 |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
757 /* Returns TRUE when the dependence polyhedron between PDR1 and |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
758 PDR2 represents a loop carried dependence at level LEVEL. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
759 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
760 static bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
761 graphite_carried_dependence_level_k (poly_dr_p pdr1, poly_dr_p pdr2, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
762 int level) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
763 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
764 ppl_Pointset_Powerset_C_Polyhedron_t po; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
765 ppl_Pointset_Powerset_C_Polyhedron_t eqpp; |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
766 graphite_dim_t tdim1 = pbb_nb_scattering_transform (PDR_PBB (pdr1)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
767 graphite_dim_t ddim1 = pbb_dim_iter_domain (PDR_PBB (pdr1)); |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
768 ppl_dimension_type dim; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
769 bool empty_p; |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
770 poly_ddr_p pddr = dependence_polyhedron (pdr1, pdr2, 1, false); |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
771 |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
772 if (PDDR_KIND (pddr) == unknown_dependence) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
773 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
774 free_poly_ddr (pddr); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
775 return true; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
776 } |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
777 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
778 if (pddr_is_empty (pddr)) |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
779 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
780 free_poly_ddr (pddr); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
781 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
782 } |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
783 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
784 po = PDDR_DDP (pddr); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
785 ppl_Pointset_Powerset_C_Polyhedron_space_dimension (po, &dim); |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
786 eqpp = build_pairwise_scheduling (dim, level, tdim1 + ddim1, 1); |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
787 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
788 ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (eqpp, po); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
789 empty_p = ppl_Pointset_Powerset_C_Polyhedron_is_empty (eqpp); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
790 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
791 ppl_delete_Pointset_Powerset_C_Polyhedron (eqpp); |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
792 free_poly_ddr (pddr); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
793 |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
794 return !empty_p; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
795 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
796 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
797 /* Check data dependency between PBB1 and PBB2 at level LEVEL. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
798 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
799 bool |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
800 dependency_between_pbbs_p (poly_bb_p pbb1, poly_bb_p pbb2, int level) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
801 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
802 int i, j; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
803 poly_dr_p pdr1, pdr2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
804 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
805 timevar_push (TV_GRAPHITE_DATA_DEPS); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
806 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
807 for (i = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb1), i, pdr1); i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
808 for (j = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb2), j, pdr2); j++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
809 if (graphite_carried_dependence_level_k (pdr1, pdr2, level)) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
810 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
811 timevar_pop (TV_GRAPHITE_DATA_DEPS); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
812 return true; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
813 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
814 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
815 timevar_pop (TV_GRAPHITE_DATA_DEPS); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
816 return false; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
817 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
818 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
819 /* Pretty print to FILE all the original data dependences of SCoP in |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
820 DOT format. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
821 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
822 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
823 dot_original_deps_stmt_1 (FILE *file, scop_p scop) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
824 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
825 int i, j, k, l; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
826 poly_bb_p pbb1, pbb2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
827 poly_dr_p pdr1, pdr2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
828 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
829 for (i = 0; VEC_iterate (poly_bb_p, SCOP_BBS (scop), i, pbb1); i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
830 for (j = 0; VEC_iterate (poly_bb_p, SCOP_BBS (scop), j, pbb2); j++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
831 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
832 for (k = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb1), k, pdr1); k++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
833 for (l = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb2), l, pdr2); l++) |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
834 if (!pddr_is_empty (dependence_polyhedron (pdr1, pdr2, 1, true))) |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
835 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
836 fprintf (file, "OS%d -> OS%d\n", |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
837 pbb_index (pbb1), pbb_index (pbb2)); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
838 goto done; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
839 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
840 done:; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
841 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
842 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
843 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
844 /* Pretty print to FILE all the transformed data dependences of SCoP in |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
845 DOT format. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
846 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
847 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
848 dot_transformed_deps_stmt_1 (FILE *file, scop_p scop) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
849 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
850 int i, j, k, l; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
851 poly_bb_p pbb1, pbb2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
852 poly_dr_p pdr1, pdr2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
853 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
854 for (i = 0; VEC_iterate (poly_bb_p, SCOP_BBS (scop), i, pbb1); i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
855 for (j = 0; VEC_iterate (poly_bb_p, SCOP_BBS (scop), j, pbb2); j++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
856 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
857 for (k = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb1), k, pdr1); k++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
858 for (l = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb2), l, pdr2); l++) |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
859 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
860 poly_ddr_p pddr = dependence_polyhedron (pdr1, pdr2, 1, false); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
861 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
862 if (!pddr_is_empty (pddr)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
863 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
864 fprintf (file, "TS%d -> TS%d\n", |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
865 pbb_index (pbb1), pbb_index (pbb2)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
866 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
867 free_poly_ddr (pddr); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
868 goto done; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
869 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
870 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
871 free_poly_ddr (pddr); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
872 } |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
873 done:; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
874 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
875 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
876 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
877 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
878 /* Pretty print to FILE all the data dependences of SCoP in DOT |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
879 format. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
880 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
881 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
882 dot_deps_stmt_1 (FILE *file, scop_p scop) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
883 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
884 fputs ("digraph all {\n", file); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
885 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
886 dot_original_deps_stmt_1 (file, scop); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
887 dot_transformed_deps_stmt_1 (file, scop); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
888 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
889 fputs ("}\n\n", file); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
890 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
891 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
892 /* Pretty print to FILE all the original data dependences of SCoP in |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
893 DOT format. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
894 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
895 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
896 dot_original_deps (FILE *file, scop_p scop) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
897 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
898 int i, j, k, l; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
899 poly_bb_p pbb1, pbb2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
900 poly_dr_p pdr1, pdr2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
901 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
902 for (i = 0; VEC_iterate (poly_bb_p, SCOP_BBS (scop), i, pbb1); i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
903 for (j = 0; VEC_iterate (poly_bb_p, SCOP_BBS (scop), j, pbb2); j++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
904 for (k = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb1), k, pdr1); k++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
905 for (l = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb2), l, pdr2); l++) |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
906 if (!pddr_is_empty (dependence_polyhedron (pdr1, pdr2, 1, true))) |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
907 fprintf (file, "OS%d_D%d -> OS%d_D%d\n", |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
908 pbb_index (pbb1), PDR_ID (pdr1), |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
909 pbb_index (pbb2), PDR_ID (pdr2)); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
910 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
911 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
912 /* Pretty print to FILE all the transformed data dependences of SCoP in |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
913 DOT format. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
914 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
915 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
916 dot_transformed_deps (FILE *file, scop_p scop) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
917 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
918 int i, j, k, l; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
919 poly_bb_p pbb1, pbb2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
920 poly_dr_p pdr1, pdr2; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
921 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
922 for (i = 0; VEC_iterate (poly_bb_p, SCOP_BBS (scop), i, pbb1); i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
923 for (j = 0; VEC_iterate (poly_bb_p, SCOP_BBS (scop), j, pbb2); j++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
924 for (k = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb1), k, pdr1); k++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
925 for (l = 0; VEC_iterate (poly_dr_p, PBB_DRS (pbb2), l, pdr2); l++) |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
926 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
927 poly_ddr_p pddr = dependence_polyhedron (pdr1, pdr2, 1, false); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
928 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
929 if (!pddr_is_empty (pddr)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
930 fprintf (file, "TS%d_D%d -> TS%d_D%d\n", |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
931 pbb_index (pbb1), PDR_ID (pdr1), |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
932 pbb_index (pbb2), PDR_ID (pdr2)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
933 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
934 free_poly_ddr (pddr); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
935 } |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
936 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
937 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
938 /* Pretty print to FILE all the data dependences of SCoP in DOT |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
939 format. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
940 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
941 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
942 dot_deps_1 (FILE *file, scop_p scop) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
943 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
944 fputs ("digraph all {\n", file); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
945 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
946 dot_original_deps (file, scop); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
947 dot_transformed_deps (file, scop); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
948 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
949 fputs ("}\n\n", file); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
950 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
951 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
952 /* Display all the data dependences in SCoP using dotty. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
953 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
954 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
955 dot_deps (scop_p scop) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
956 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
957 /* When debugging, enable the following code. This cannot be used |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
958 in production compilers because it calls "system". */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
959 #if 0 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
960 int x; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
961 FILE *stream = fopen ("/tmp/scopdeps.dot", "w"); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
962 gcc_assert (stream); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
963 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
964 dot_deps_1 (stream, scop); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
965 fclose (stream); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
966 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
967 x = system ("dotty /tmp/scopdeps.dot"); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
968 #else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
969 dot_deps_1 (stderr, scop); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
970 #endif |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
971 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
972 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
973 /* Display all the statement dependences in SCoP using dotty. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
974 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
975 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
976 dot_deps_stmt (scop_p scop) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
977 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
978 /* When debugging, enable the following code. This cannot be used |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
979 in production compilers because it calls "system". */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
980 #if 0 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
981 int x; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
982 FILE *stream = fopen ("/tmp/scopdeps.dot", "w"); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
983 gcc_assert (stream); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
984 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
985 dot_deps_stmt_1 (stream, scop); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
986 fclose (stream); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
987 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
988 x = system ("dotty /tmp/scopdeps.dot"); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
989 #else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
990 dot_deps_stmt_1 (stderr, scop); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
991 #endif |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
992 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
993 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
994 #endif |