annotate gcc/graphite-sese-to-poly.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents f6334be47118
children 84e7813d76e9
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1 /* Conversion of SESE regions to Polyhedra.
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2 Copyright (C) 2009-2017 Free Software Foundation, Inc.
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3 Contributed by Sebastian Pop <sebastian.pop@amd.com>.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #define USES_ISL
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22
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23 #include "config.h"
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24
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25 #ifdef HAVE_isl
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26
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27 #include "system.h"
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28 #include "coretypes.h"
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29 #include "backend.h"
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30 #include "cfghooks.h"
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31 #include "tree.h"
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32 #include "gimple.h"
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33 #include "ssa.h"
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34 #include "params.h"
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35 #include "fold-const.h"
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36 #include "gimple-iterator.h"
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37 #include "gimplify.h"
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38 #include "gimplify-me.h"
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39 #include "tree-cfg.h"
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40 #include "tree-ssa-loop-manip.h"
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41 #include "tree-ssa-loop-niter.h"
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42 #include "tree-ssa-loop.h"
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43 #include "tree-into-ssa.h"
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44 #include "tree-pass.h"
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45 #include "cfgloop.h"
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46 #include "tree-data-ref.h"
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47 #include "tree-scalar-evolution.h"
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48 #include "domwalk.h"
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49 #include "tree-ssa-propagate.h"
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50
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51 #include <isl/constraint.h>
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52 #include <isl/set.h>
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53 #include <isl/map.h>
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54 #include <isl/union_map.h>
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55 #include <isl/constraint.h>
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56 #include <isl/aff.h>
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57 #include <isl/val.h>
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58
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59 #include "graphite.h"
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60
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61 /* Assigns to RES the value of the INTEGER_CST T. */
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62
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63 static inline void
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64 tree_int_to_gmp (tree t, mpz_t res)
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65 {
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66 wi::to_mpz (wi::to_wide (t), res, TYPE_SIGN (TREE_TYPE (t)));
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67 }
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68
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69 /* Return an isl identifier for the polyhedral basic block PBB. */
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70
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71 static isl_id *
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72 isl_id_for_pbb (scop_p s, poly_bb_p pbb)
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73 {
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74 char name[14];
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75 snprintf (name, sizeof (name), "S_%d", pbb_index (pbb));
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76 return isl_id_alloc (s->isl_context, name, pbb);
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77 }
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78
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79 static isl_pw_aff *extract_affine (scop_p, tree, __isl_take isl_space *space);
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80
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81 /* Extract an affine expression from the chain of recurrence E. */
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82
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83 static isl_pw_aff *
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84 extract_affine_chrec (scop_p s, tree e, __isl_take isl_space *space)
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85 {
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86 isl_pw_aff *lhs = extract_affine (s, CHREC_LEFT (e), isl_space_copy (space));
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87 isl_pw_aff *rhs = extract_affine (s, CHREC_RIGHT (e), isl_space_copy (space));
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88 isl_local_space *ls = isl_local_space_from_space (space);
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89 unsigned pos = sese_loop_depth (s->scop_info->region, get_chrec_loop (e)) - 1;
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90 isl_aff *loop = isl_aff_set_coefficient_si
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91 (isl_aff_zero_on_domain (ls), isl_dim_in, pos, 1);
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92 isl_pw_aff *l = isl_pw_aff_from_aff (loop);
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93
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94 /* Before multiplying, make sure that the result is affine. */
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95 gcc_assert (isl_pw_aff_is_cst (rhs)
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96 || isl_pw_aff_is_cst (l));
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97
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98 return isl_pw_aff_add (lhs, isl_pw_aff_mul (rhs, l));
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99 }
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100
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101 /* Extract an affine expression from the mult_expr E. */
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102
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103 static isl_pw_aff *
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104 extract_affine_mul (scop_p s, tree e, __isl_take isl_space *space)
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105 {
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106 isl_pw_aff *lhs = extract_affine (s, TREE_OPERAND (e, 0),
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107 isl_space_copy (space));
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108 isl_pw_aff *rhs = extract_affine (s, TREE_OPERAND (e, 1), space);
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109
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110 if (!isl_pw_aff_is_cst (lhs)
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111 && !isl_pw_aff_is_cst (rhs))
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112 {
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113 isl_pw_aff_free (lhs);
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114 isl_pw_aff_free (rhs);
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115 return NULL;
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116 }
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117
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118 return isl_pw_aff_mul (lhs, rhs);
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119 }
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120
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121 /* Return an isl identifier from the name of the ssa_name E. */
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122
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123 static isl_id *
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124 isl_id_for_ssa_name (scop_p s, tree e)
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125 {
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126 char name1[14];
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127 snprintf (name1, sizeof (name1), "P_%d", SSA_NAME_VERSION (e));
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128 return isl_id_alloc (s->isl_context, name1, e);
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129 }
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130
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131 /* Return an isl identifier for the data reference DR. Data references and
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132 scalar references get the same isl_id. They need to be comparable and are
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133 distinguished through the first dimension, which contains the alias set or
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134 SSA_NAME_VERSION number. */
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135
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136 static isl_id *
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137 isl_id_for_dr (scop_p s)
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138 {
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139 return isl_id_alloc (s->isl_context, "", 0);
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140 }
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141
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142 /* Extract an affine expression from the ssa_name E. */
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143
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144 static isl_pw_aff *
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145 extract_affine_name (int dimension, __isl_take isl_space *space)
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146 {
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147 isl_set *dom = isl_set_universe (isl_space_copy (space));
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148 isl_aff *aff = isl_aff_zero_on_domain (isl_local_space_from_space (space));
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149 aff = isl_aff_add_coefficient_si (aff, isl_dim_param, dimension, 1);
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150 return isl_pw_aff_alloc (dom, aff);
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151 }
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152
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153 /* Convert WI to a isl_val with CTX. */
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154
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155 static __isl_give isl_val *
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156 isl_val_int_from_wi (isl_ctx *ctx, const widest_int &wi)
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157 {
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158 if (wi::neg_p (wi, SIGNED))
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159 {
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160 widest_int mwi = -wi;
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161 return isl_val_neg (isl_val_int_from_chunks (ctx, mwi.get_len (),
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162 sizeof (HOST_WIDE_INT),
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163 mwi.get_val ()));
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164 }
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165 return isl_val_int_from_chunks (ctx, wi.get_len (), sizeof (HOST_WIDE_INT),
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166 wi.get_val ());
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167 }
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168
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169 /* Extract an affine expression from the gmp constant G. */
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170
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171 static isl_pw_aff *
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172 extract_affine_wi (const widest_int &g, __isl_take isl_space *space)
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173 {
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174 isl_local_space *ls = isl_local_space_from_space (isl_space_copy (space));
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175 isl_aff *aff = isl_aff_zero_on_domain (ls);
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176 isl_set *dom = isl_set_universe (space);
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177 isl_ctx *ct = isl_aff_get_ctx (aff);
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178 isl_val *v = isl_val_int_from_wi (ct, g);
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179 aff = isl_aff_add_constant_val (aff, v);
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180
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181 return isl_pw_aff_alloc (dom, aff);
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182 }
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183
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184 /* Extract an affine expression from the integer_cst E. */
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185
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186 static isl_pw_aff *
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187 extract_affine_int (tree e, __isl_take isl_space *space)
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188 {
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189 isl_pw_aff *res = extract_affine_wi (wi::to_widest (e), space);
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190 return res;
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191 }
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192
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193 /* Compute pwaff mod 2^width. */
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194
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195 static isl_pw_aff *
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196 wrap (isl_pw_aff *pwaff, unsigned width)
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197 {
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198 isl_val *mod;
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199
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200 mod = isl_val_int_from_ui (isl_pw_aff_get_ctx (pwaff), width);
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201 mod = isl_val_2exp (mod);
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202 pwaff = isl_pw_aff_mod_val (pwaff, mod);
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203
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204 return pwaff;
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205 }
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206
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207 /* When parameter NAME is in REGION, returns its index in SESE_PARAMS.
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208 Otherwise returns -1. */
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209
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210 static inline int
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211 parameter_index_in_region (tree name, sese_info_p region)
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212 {
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213 int i;
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214 tree p;
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215 FOR_EACH_VEC_ELT (region->params, i, p)
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216 if (p == name)
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217 return i;
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218 return -1;
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219 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220
111
kono
parents: 67
diff changeset
221 /* Extract an affine expression from the tree E in the scop S. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222
111
kono
parents: 67
diff changeset
223 static isl_pw_aff *
kono
parents: 67
diff changeset
224 extract_affine (scop_p s, tree e, __isl_take isl_space *space)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 {
111
kono
parents: 67
diff changeset
226 isl_pw_aff *lhs, *rhs, *res;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
227
111
kono
parents: 67
diff changeset
228 if (e == chrec_dont_know) {
kono
parents: 67
diff changeset
229 isl_space_free (space);
kono
parents: 67
diff changeset
230 return NULL;
kono
parents: 67
diff changeset
231 }
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
232
111
kono
parents: 67
diff changeset
233 tree type = TREE_TYPE (e);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 switch (TREE_CODE (e))
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 case POLYNOMIAL_CHREC:
111
kono
parents: 67
diff changeset
237 res = extract_affine_chrec (s, e, space);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 case MULT_EXPR:
111
kono
parents: 67
diff changeset
241 res = extract_affine_mul (s, e, space);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
242 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
243
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 case POINTER_PLUS_EXPR:
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 {
111
kono
parents: 67
diff changeset
246 lhs = extract_affine (s, TREE_OPERAND (e, 0), isl_space_copy (space));
kono
parents: 67
diff changeset
247 /* The RHS of a pointer-plus expression is to be interpreted
kono
parents: 67
diff changeset
248 as signed value. Try to look through a sign-changing conversion
kono
parents: 67
diff changeset
249 first. */
kono
parents: 67
diff changeset
250 tree tem = TREE_OPERAND (e, 1);
kono
parents: 67
diff changeset
251 STRIP_NOPS (tem);
kono
parents: 67
diff changeset
252 rhs = extract_affine (s, tem, space);
kono
parents: 67
diff changeset
253 if (TYPE_UNSIGNED (TREE_TYPE (tem)))
kono
parents: 67
diff changeset
254 rhs = wrap (rhs, TYPE_PRECISION (type) - 1);
kono
parents: 67
diff changeset
255 res = isl_pw_aff_add (lhs, rhs);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
256 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
257 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
258
111
kono
parents: 67
diff changeset
259 case PLUS_EXPR:
kono
parents: 67
diff changeset
260 lhs = extract_affine (s, TREE_OPERAND (e, 0), isl_space_copy (space));
kono
parents: 67
diff changeset
261 rhs = extract_affine (s, TREE_OPERAND (e, 1), space);
kono
parents: 67
diff changeset
262 res = isl_pw_aff_add (lhs, rhs);
kono
parents: 67
diff changeset
263 break;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
264
111
kono
parents: 67
diff changeset
265 case MINUS_EXPR:
kono
parents: 67
diff changeset
266 lhs = extract_affine (s, TREE_OPERAND (e, 0), isl_space_copy (space));
kono
parents: 67
diff changeset
267 rhs = extract_affine (s, TREE_OPERAND (e, 1), space);
kono
parents: 67
diff changeset
268 res = isl_pw_aff_sub (lhs, rhs);
kono
parents: 67
diff changeset
269 break;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
270
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
271 case BIT_NOT_EXPR:
111
kono
parents: 67
diff changeset
272 lhs = extract_affine (s, integer_minus_one_node, isl_space_copy (space));
kono
parents: 67
diff changeset
273 rhs = extract_affine (s, TREE_OPERAND (e, 0), space);
kono
parents: 67
diff changeset
274 res = isl_pw_aff_sub (lhs, rhs);
kono
parents: 67
diff changeset
275 break;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
276
111
kono
parents: 67
diff changeset
277 case NEGATE_EXPR:
kono
parents: 67
diff changeset
278 lhs = extract_affine (s, TREE_OPERAND (e, 0), isl_space_copy (space));
kono
parents: 67
diff changeset
279 rhs = extract_affine (s, integer_minus_one_node, space);
kono
parents: 67
diff changeset
280 res = isl_pw_aff_mul (lhs, rhs);
kono
parents: 67
diff changeset
281 break;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
282
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
283 case SSA_NAME:
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
284 {
111
kono
parents: 67
diff changeset
285 gcc_assert (! defined_in_sese_p (e, s->scop_info->region));
kono
parents: 67
diff changeset
286 int dim = parameter_index_in_region (e, s->scop_info);
kono
parents: 67
diff changeset
287 gcc_assert (dim != -1);
kono
parents: 67
diff changeset
288 res = extract_affine_name (dim, space);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
289 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
290 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
291
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
292 case INTEGER_CST:
111
kono
parents: 67
diff changeset
293 res = extract_affine_int (e, space);
kono
parents: 67
diff changeset
294 /* No need to wrap a single integer. */
kono
parents: 67
diff changeset
295 return res;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
296
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
297 CASE_CONVERT:
111
kono
parents: 67
diff changeset
298 {
kono
parents: 67
diff changeset
299 tree itype = TREE_TYPE (TREE_OPERAND (e, 0));
kono
parents: 67
diff changeset
300 res = extract_affine (s, TREE_OPERAND (e, 0), space);
kono
parents: 67
diff changeset
301 /* Signed values, even if overflow is undefined, get modulo-reduced.
kono
parents: 67
diff changeset
302 But only if not all values of the old type fit in the new. */
kono
parents: 67
diff changeset
303 if (! TYPE_UNSIGNED (type)
kono
parents: 67
diff changeset
304 && ((TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (e, 0)))
kono
parents: 67
diff changeset
305 && TYPE_PRECISION (type) <= TYPE_PRECISION (itype))
kono
parents: 67
diff changeset
306 || TYPE_PRECISION (type) < TYPE_PRECISION (itype)))
kono
parents: 67
diff changeset
307 res = wrap (res, TYPE_PRECISION (type) - 1);
kono
parents: 67
diff changeset
308 break;
kono
parents: 67
diff changeset
309 }
kono
parents: 67
diff changeset
310
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
311 case NON_LVALUE_EXPR:
111
kono
parents: 67
diff changeset
312 res = extract_affine (s, TREE_OPERAND (e, 0), space);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
313 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
314
111
kono
parents: 67
diff changeset
315 default:
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
316 gcc_unreachable ();
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
317 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
318 }
63
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
319
111
kono
parents: 67
diff changeset
320 if (TYPE_UNSIGNED (type))
kono
parents: 67
diff changeset
321 res = wrap (res, TYPE_PRECISION (type));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
322
111
kono
parents: 67
diff changeset
323 return res;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
324 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
325
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
326 /* Returns a linear expression for tree T evaluated in PBB. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
327
111
kono
parents: 67
diff changeset
328 static isl_pw_aff *
kono
parents: 67
diff changeset
329 create_pw_aff_from_tree (poly_bb_p pbb, loop_p loop, tree t)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
330 {
111
kono
parents: 67
diff changeset
331 scop_p scop = PBB_SCOP (pbb);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
332
111
kono
parents: 67
diff changeset
333 t = scalar_evolution_in_region (scop->scop_info->region, loop, t);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
334
111
kono
parents: 67
diff changeset
335 gcc_assert (!chrec_contains_undetermined (t));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
336 gcc_assert (!automatically_generated_chrec_p (t));
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
337
111
kono
parents: 67
diff changeset
338 return extract_affine (scop, t, isl_set_get_space (pbb->domain));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
339 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
340
111
kono
parents: 67
diff changeset
341 /* Add conditional statement STMT to pbb. CODE is used as the comparison
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
342 operator. This allows us to invert the condition or to handle
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
343 inequalities. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
344
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
345 static void
111
kono
parents: 67
diff changeset
346 add_condition_to_pbb (poly_bb_p pbb, gcond *stmt, enum tree_code code)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
347 {
111
kono
parents: 67
diff changeset
348 loop_p loop = gimple_bb (stmt)->loop_father;
kono
parents: 67
diff changeset
349 isl_pw_aff *lhs = create_pw_aff_from_tree (pbb, loop, gimple_cond_lhs (stmt));
kono
parents: 67
diff changeset
350 isl_pw_aff *rhs = create_pw_aff_from_tree (pbb, loop, gimple_cond_rhs (stmt));
kono
parents: 67
diff changeset
351
kono
parents: 67
diff changeset
352 isl_set *cond;
kono
parents: 67
diff changeset
353 switch (code)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
354 {
111
kono
parents: 67
diff changeset
355 case LT_EXPR:
kono
parents: 67
diff changeset
356 cond = isl_pw_aff_lt_set (lhs, rhs);
kono
parents: 67
diff changeset
357 break;
kono
parents: 67
diff changeset
358
kono
parents: 67
diff changeset
359 case GT_EXPR:
kono
parents: 67
diff changeset
360 cond = isl_pw_aff_gt_set (lhs, rhs);
kono
parents: 67
diff changeset
361 break;
kono
parents: 67
diff changeset
362
kono
parents: 67
diff changeset
363 case LE_EXPR:
kono
parents: 67
diff changeset
364 cond = isl_pw_aff_le_set (lhs, rhs);
kono
parents: 67
diff changeset
365 break;
kono
parents: 67
diff changeset
366
kono
parents: 67
diff changeset
367 case GE_EXPR:
kono
parents: 67
diff changeset
368 cond = isl_pw_aff_ge_set (lhs, rhs);
kono
parents: 67
diff changeset
369 break;
kono
parents: 67
diff changeset
370
kono
parents: 67
diff changeset
371 case EQ_EXPR:
kono
parents: 67
diff changeset
372 cond = isl_pw_aff_eq_set (lhs, rhs);
kono
parents: 67
diff changeset
373 break;
kono
parents: 67
diff changeset
374
kono
parents: 67
diff changeset
375 case NE_EXPR:
kono
parents: 67
diff changeset
376 cond = isl_pw_aff_ne_set (lhs, rhs);
kono
parents: 67
diff changeset
377 break;
kono
parents: 67
diff changeset
378
kono
parents: 67
diff changeset
379 default:
kono
parents: 67
diff changeset
380 gcc_unreachable ();
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
381 }
111
kono
parents: 67
diff changeset
382
kono
parents: 67
diff changeset
383 cond = isl_set_coalesce (cond);
kono
parents: 67
diff changeset
384 cond = isl_set_set_tuple_id (cond, isl_set_get_tuple_id (pbb->domain));
kono
parents: 67
diff changeset
385 pbb->domain = isl_set_coalesce (isl_set_intersect (pbb->domain, cond));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
386 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
387
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
388 /* Add conditions to the domain of PBB. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
389
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
390 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
391 add_conditions_to_domain (poly_bb_p pbb)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
392 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
393 unsigned int i;
111
kono
parents: 67
diff changeset
394 gimple *stmt;
kono
parents: 67
diff changeset
395 gimple_poly_bb_p gbb = PBB_BLACK_BOX (pbb);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
396
111
kono
parents: 67
diff changeset
397 if (GBB_CONDITIONS (gbb).is_empty ())
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
398 return;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
399
111
kono
parents: 67
diff changeset
400 FOR_EACH_VEC_ELT (GBB_CONDITIONS (gbb), i, stmt)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
401 switch (gimple_code (stmt))
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
402 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
403 case GIMPLE_COND:
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
404 {
111
kono
parents: 67
diff changeset
405 /* Don't constrain on anything else than INTEGER_TYPE. */
kono
parents: 67
diff changeset
406 if (TREE_CODE (TREE_TYPE (gimple_cond_lhs (stmt))) != INTEGER_TYPE)
kono
parents: 67
diff changeset
407 break;
kono
parents: 67
diff changeset
408
kono
parents: 67
diff changeset
409 gcond *cond_stmt = as_a <gcond *> (stmt);
kono
parents: 67
diff changeset
410 enum tree_code code = gimple_cond_code (cond_stmt);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
411
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
412 /* The conditions for ELSE-branches are inverted. */
111
kono
parents: 67
diff changeset
413 if (!GBB_CONDITION_CASES (gbb)[i])
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
414 code = invert_tree_comparison (code, false);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
415
111
kono
parents: 67
diff changeset
416 add_condition_to_pbb (pbb, cond_stmt, code);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
417 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
418 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
419
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
420 default:
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
421 gcc_unreachable ();
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
422 break;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
423 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
424 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
425
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
426 /* Add constraints on the possible values of parameter P from the type
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
427 of P. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
428
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
429 static void
111
kono
parents: 67
diff changeset
430 add_param_constraints (scop_p scop, graphite_dim_t p, tree parameter)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
431 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
432 tree type = TREE_TYPE (parameter);
111
kono
parents: 67
diff changeset
433 wide_int min, max;
63
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
434
111
kono
parents: 67
diff changeset
435 gcc_assert (INTEGRAL_TYPE_P (type) || POINTER_TYPE_P (type));
63
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
436
111
kono
parents: 67
diff changeset
437 if (INTEGRAL_TYPE_P (type)
kono
parents: 67
diff changeset
438 && get_range_info (parameter, &min, &max) == VR_RANGE)
kono
parents: 67
diff changeset
439 ;
63
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
440 else
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
441 {
111
kono
parents: 67
diff changeset
442 min = wi::min_value (TYPE_PRECISION (type), TYPE_SIGN (type));
kono
parents: 67
diff changeset
443 max = wi::max_value (TYPE_PRECISION (type), TYPE_SIGN (type));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
444 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
445
111
kono
parents: 67
diff changeset
446 isl_space *space = isl_set_get_space (scop->param_context);
kono
parents: 67
diff changeset
447 isl_constraint *c = isl_inequality_alloc (isl_local_space_from_space (space));
kono
parents: 67
diff changeset
448 isl_val *v = isl_val_int_from_wi (scop->isl_context,
kono
parents: 67
diff changeset
449 widest_int::from (min, TYPE_SIGN (type)));
kono
parents: 67
diff changeset
450 v = isl_val_neg (v);
kono
parents: 67
diff changeset
451 c = isl_constraint_set_constant_val (c, v);
kono
parents: 67
diff changeset
452 c = isl_constraint_set_coefficient_si (c, isl_dim_param, p, 1);
kono
parents: 67
diff changeset
453 scop->param_context = isl_set_coalesce
kono
parents: 67
diff changeset
454 (isl_set_add_constraint (scop->param_context, c));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
455
111
kono
parents: 67
diff changeset
456 space = isl_set_get_space (scop->param_context);
kono
parents: 67
diff changeset
457 c = isl_inequality_alloc (isl_local_space_from_space (space));
kono
parents: 67
diff changeset
458 v = isl_val_int_from_wi (scop->isl_context,
kono
parents: 67
diff changeset
459 widest_int::from (max, TYPE_SIGN (type)));
kono
parents: 67
diff changeset
460 c = isl_constraint_set_constant_val (c, v);
kono
parents: 67
diff changeset
461 c = isl_constraint_set_coefficient_si (c, isl_dim_param, p, -1);
kono
parents: 67
diff changeset
462 scop->param_context = isl_set_coalesce
kono
parents: 67
diff changeset
463 (isl_set_add_constraint (scop->param_context, c));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
464 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
465
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
466 /* Add a constrain to the ACCESSES polyhedron for the alias set of
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
467 data reference DR. ACCESSP_NB_DIMS is the dimension of the
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
468 ACCESSES polyhedron, DOM_NB_DIMS is the dimension of the iteration
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
469 domain. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
470
111
kono
parents: 67
diff changeset
471 static isl_map *
kono
parents: 67
diff changeset
472 pdr_add_alias_set (isl_map *acc, dr_info &dri)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
473 {
111
kono
parents: 67
diff changeset
474 isl_constraint *c = isl_equality_alloc
kono
parents: 67
diff changeset
475 (isl_local_space_from_space (isl_map_get_space (acc)));
kono
parents: 67
diff changeset
476 /* Positive numbers for all alias sets. */
kono
parents: 67
diff changeset
477 c = isl_constraint_set_constant_si (c, -dri.alias_set);
kono
parents: 67
diff changeset
478 c = isl_constraint_set_coefficient_si (c, isl_dim_out, 0, 1);
kono
parents: 67
diff changeset
479
kono
parents: 67
diff changeset
480 return isl_map_add_constraint (acc, c);
kono
parents: 67
diff changeset
481 }
kono
parents: 67
diff changeset
482
kono
parents: 67
diff changeset
483 /* Assign the affine expression INDEX to the output dimension POS of
kono
parents: 67
diff changeset
484 MAP and return the result. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
485
111
kono
parents: 67
diff changeset
486 static isl_map *
kono
parents: 67
diff changeset
487 set_index (isl_map *map, int pos, isl_pw_aff *index)
kono
parents: 67
diff changeset
488 {
kono
parents: 67
diff changeset
489 isl_map *index_map;
kono
parents: 67
diff changeset
490 int len = isl_map_dim (map, isl_dim_out);
kono
parents: 67
diff changeset
491 isl_id *id;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
492
111
kono
parents: 67
diff changeset
493 index_map = isl_map_from_pw_aff (index);
kono
parents: 67
diff changeset
494 index_map = isl_map_insert_dims (index_map, isl_dim_out, 0, pos);
kono
parents: 67
diff changeset
495 index_map = isl_map_add_dims (index_map, isl_dim_out, len - pos - 1);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
496
111
kono
parents: 67
diff changeset
497 id = isl_map_get_tuple_id (map, isl_dim_out);
kono
parents: 67
diff changeset
498 index_map = isl_map_set_tuple_id (index_map, isl_dim_out, id);
kono
parents: 67
diff changeset
499 id = isl_map_get_tuple_id (map, isl_dim_in);
kono
parents: 67
diff changeset
500 index_map = isl_map_set_tuple_id (index_map, isl_dim_in, id);
kono
parents: 67
diff changeset
501
kono
parents: 67
diff changeset
502 return isl_map_intersect (map, index_map);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
503 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
504
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
505 /* Add to ACCESSES polyhedron equalities defining the access functions
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
506 to the memory. ACCESSP_NB_DIMS is the dimension of the ACCESSES
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
507 polyhedron, DOM_NB_DIMS is the dimension of the iteration domain.
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
508 PBB is the poly_bb_p that contains the data reference DR. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
509
111
kono
parents: 67
diff changeset
510 static isl_map *
kono
parents: 67
diff changeset
511 pdr_add_memory_accesses (isl_map *acc, dr_info &dri)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
512 {
111
kono
parents: 67
diff changeset
513 data_reference_p dr = dri.dr;
kono
parents: 67
diff changeset
514 poly_bb_p pbb = dri.pbb;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
515 int i, nb_subscripts = DR_NUM_DIMENSIONS (dr);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
516 scop_p scop = PBB_SCOP (pbb);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
517
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
518 for (i = 0; i < nb_subscripts; i++)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
519 {
111
kono
parents: 67
diff changeset
520 isl_pw_aff *aff;
kono
parents: 67
diff changeset
521 tree afn = DR_ACCESS_FN (dr, i);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
522
111
kono
parents: 67
diff changeset
523 aff = extract_affine (scop, afn,
kono
parents: 67
diff changeset
524 isl_space_domain (isl_map_get_space (acc)));
kono
parents: 67
diff changeset
525 acc = set_index (acc, nb_subscripts - i , aff);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
526 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
527
111
kono
parents: 67
diff changeset
528 return isl_map_coalesce (acc);
kono
parents: 67
diff changeset
529 }
kono
parents: 67
diff changeset
530
kono
parents: 67
diff changeset
531 /* Return true when the LOW and HIGH bounds of an array reference REF are valid
kono
parents: 67
diff changeset
532 to extract constraints on accessed elements of the array. Returning false is
kono
parents: 67
diff changeset
533 the conservative answer. */
kono
parents: 67
diff changeset
534
kono
parents: 67
diff changeset
535 static bool
kono
parents: 67
diff changeset
536 bounds_are_valid (tree ref, tree low, tree high)
kono
parents: 67
diff changeset
537 {
kono
parents: 67
diff changeset
538 if (!high)
kono
parents: 67
diff changeset
539 return false;
kono
parents: 67
diff changeset
540
kono
parents: 67
diff changeset
541 if (!tree_fits_shwi_p (low)
kono
parents: 67
diff changeset
542 || !tree_fits_shwi_p (high))
kono
parents: 67
diff changeset
543 return false;
kono
parents: 67
diff changeset
544
kono
parents: 67
diff changeset
545 /* 1-element arrays at end of structures may extend over
kono
parents: 67
diff changeset
546 their declared size. */
kono
parents: 67
diff changeset
547 if (array_at_struct_end_p (ref)
kono
parents: 67
diff changeset
548 && operand_equal_p (low, high, 0))
kono
parents: 67
diff changeset
549 return false;
kono
parents: 67
diff changeset
550
kono
parents: 67
diff changeset
551 /* Fortran has some arrays where high bound is -1 and low is 0. */
kono
parents: 67
diff changeset
552 if (integer_onep (fold_build2 (LT_EXPR, boolean_type_node, high, low)))
kono
parents: 67
diff changeset
553 return false;
kono
parents: 67
diff changeset
554
kono
parents: 67
diff changeset
555 return true;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
556 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
557
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
558 /* Add constrains representing the size of the accessed data to the
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
559 ACCESSES polyhedron. ACCESSP_NB_DIMS is the dimension of the
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
560 ACCESSES polyhedron, DOM_NB_DIMS is the dimension of the iteration
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
561 domain. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
562
111
kono
parents: 67
diff changeset
563 static isl_set *
kono
parents: 67
diff changeset
564 pdr_add_data_dimensions (isl_set *subscript_sizes, scop_p scop,
kono
parents: 67
diff changeset
565 data_reference_p dr)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
566 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
567 tree ref = DR_REF (dr);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
568
111
kono
parents: 67
diff changeset
569 int nb_subscripts = DR_NUM_DIMENSIONS (dr);
kono
parents: 67
diff changeset
570 for (int i = nb_subscripts - 1; i >= 0; i--, ref = TREE_OPERAND (ref, 0))
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
571 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
572 if (TREE_CODE (ref) != ARRAY_REF)
111
kono
parents: 67
diff changeset
573 return subscript_sizes;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
574
111
kono
parents: 67
diff changeset
575 tree low = array_ref_low_bound (ref);
kono
parents: 67
diff changeset
576 tree high = array_ref_up_bound (ref);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
577
111
kono
parents: 67
diff changeset
578 if (!bounds_are_valid (ref, low, high))
kono
parents: 67
diff changeset
579 continue;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
580
111
kono
parents: 67
diff changeset
581 isl_space *space = isl_set_get_space (subscript_sizes);
kono
parents: 67
diff changeset
582 isl_pw_aff *lb = extract_affine_int (low, isl_space_copy (space));
kono
parents: 67
diff changeset
583 isl_pw_aff *ub = extract_affine_int (high, isl_space_copy (space));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
584
111
kono
parents: 67
diff changeset
585 /* high >= 0 */
kono
parents: 67
diff changeset
586 isl_set *valid = isl_pw_aff_nonneg_set (isl_pw_aff_copy (ub));
kono
parents: 67
diff changeset
587 valid = isl_set_project_out (valid, isl_dim_set, 0,
kono
parents: 67
diff changeset
588 isl_set_dim (valid, isl_dim_set));
kono
parents: 67
diff changeset
589 scop->param_context = isl_set_coalesce
kono
parents: 67
diff changeset
590 (isl_set_intersect (scop->param_context, valid));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
591
111
kono
parents: 67
diff changeset
592 isl_aff *aff
kono
parents: 67
diff changeset
593 = isl_aff_zero_on_domain (isl_local_space_from_space (space));
kono
parents: 67
diff changeset
594 aff = isl_aff_add_coefficient_si (aff, isl_dim_in, i + 1, 1);
kono
parents: 67
diff changeset
595 isl_set *univ
kono
parents: 67
diff changeset
596 = isl_set_universe (isl_space_domain (isl_aff_get_space (aff)));
kono
parents: 67
diff changeset
597 isl_pw_aff *index = isl_pw_aff_alloc (univ, aff);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
598
111
kono
parents: 67
diff changeset
599 isl_id *id = isl_set_get_tuple_id (subscript_sizes);
kono
parents: 67
diff changeset
600 lb = isl_pw_aff_set_tuple_id (lb, isl_dim_in, isl_id_copy (id));
kono
parents: 67
diff changeset
601 ub = isl_pw_aff_set_tuple_id (ub, isl_dim_in, id);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
602
111
kono
parents: 67
diff changeset
603 /* low <= sub_i <= high */
kono
parents: 67
diff changeset
604 isl_set *lbs = isl_pw_aff_ge_set (isl_pw_aff_copy (index), lb);
kono
parents: 67
diff changeset
605 isl_set *ubs = isl_pw_aff_le_set (index, ub);
kono
parents: 67
diff changeset
606 subscript_sizes = isl_set_intersect (subscript_sizes, lbs);
kono
parents: 67
diff changeset
607 subscript_sizes = isl_set_intersect (subscript_sizes, ubs);
kono
parents: 67
diff changeset
608 }
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
609
111
kono
parents: 67
diff changeset
610 return isl_set_coalesce (subscript_sizes);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
611 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
612
111
kono
parents: 67
diff changeset
613 /* Build data accesses for DRI. */
kono
parents: 67
diff changeset
614
kono
parents: 67
diff changeset
615 static void
kono
parents: 67
diff changeset
616 build_poly_dr (dr_info &dri)
kono
parents: 67
diff changeset
617 {
kono
parents: 67
diff changeset
618 isl_map *acc;
kono
parents: 67
diff changeset
619 isl_set *subscript_sizes;
kono
parents: 67
diff changeset
620 poly_bb_p pbb = dri.pbb;
kono
parents: 67
diff changeset
621 data_reference_p dr = dri.dr;
kono
parents: 67
diff changeset
622 scop_p scop = PBB_SCOP (pbb);
kono
parents: 67
diff changeset
623 isl_id *id = isl_id_for_dr (scop);
kono
parents: 67
diff changeset
624
kono
parents: 67
diff changeset
625 {
kono
parents: 67
diff changeset
626 isl_space *dc = isl_set_get_space (pbb->domain);
kono
parents: 67
diff changeset
627 int nb_out = 1 + DR_NUM_DIMENSIONS (dr);
kono
parents: 67
diff changeset
628 isl_space *space = isl_space_add_dims (isl_space_from_domain (dc),
kono
parents: 67
diff changeset
629 isl_dim_out, nb_out);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
630
111
kono
parents: 67
diff changeset
631 acc = isl_map_universe (space);
kono
parents: 67
diff changeset
632 acc = isl_map_set_tuple_id (acc, isl_dim_out, isl_id_copy (id));
kono
parents: 67
diff changeset
633 }
kono
parents: 67
diff changeset
634
kono
parents: 67
diff changeset
635 acc = pdr_add_alias_set (acc, dri);
kono
parents: 67
diff changeset
636 acc = pdr_add_memory_accesses (acc, dri);
kono
parents: 67
diff changeset
637
kono
parents: 67
diff changeset
638 {
kono
parents: 67
diff changeset
639 int nb = 1 + DR_NUM_DIMENSIONS (dr);
kono
parents: 67
diff changeset
640 isl_space *space = isl_space_set_alloc (scop->isl_context, 0, nb);
kono
parents: 67
diff changeset
641
kono
parents: 67
diff changeset
642 space = isl_space_set_tuple_id (space, isl_dim_set, id);
kono
parents: 67
diff changeset
643 subscript_sizes = isl_set_nat_universe (space);
kono
parents: 67
diff changeset
644 subscript_sizes = isl_set_fix_si (subscript_sizes, isl_dim_set, 0,
kono
parents: 67
diff changeset
645 dri.alias_set);
kono
parents: 67
diff changeset
646 subscript_sizes = pdr_add_data_dimensions (subscript_sizes, scop, dr);
kono
parents: 67
diff changeset
647 }
kono
parents: 67
diff changeset
648
kono
parents: 67
diff changeset
649 new_poly_dr (pbb, DR_STMT (dr), DR_IS_READ (dr) ? PDR_READ : PDR_WRITE,
kono
parents: 67
diff changeset
650 acc, subscript_sizes);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
651 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
652
111
kono
parents: 67
diff changeset
653 static void
kono
parents: 67
diff changeset
654 build_poly_sr_1 (poly_bb_p pbb, gimple *stmt, tree var, enum poly_dr_type kind,
kono
parents: 67
diff changeset
655 isl_map *acc, isl_set *subscript_sizes)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
656 {
111
kono
parents: 67
diff changeset
657 scop_p scop = PBB_SCOP (pbb);
kono
parents: 67
diff changeset
658 /* Each scalar variables has a unique alias set number starting from
kono
parents: 67
diff changeset
659 the maximum alias set assigned to a dr. */
kono
parents: 67
diff changeset
660 int alias_set = scop->max_alias_set + SSA_NAME_VERSION (var);
kono
parents: 67
diff changeset
661 subscript_sizes = isl_set_fix_si (subscript_sizes, isl_dim_set, 0,
kono
parents: 67
diff changeset
662 alias_set);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
663
111
kono
parents: 67
diff changeset
664 /* Add a constrain to the ACCESSES polyhedron for the alias set of
kono
parents: 67
diff changeset
665 data reference DR. */
kono
parents: 67
diff changeset
666 isl_constraint *c
kono
parents: 67
diff changeset
667 = isl_equality_alloc (isl_local_space_from_space (isl_map_get_space (acc)));
kono
parents: 67
diff changeset
668 c = isl_constraint_set_constant_si (c, -alias_set);
kono
parents: 67
diff changeset
669 c = isl_constraint_set_coefficient_si (c, isl_dim_out, 0, 1);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
670
111
kono
parents: 67
diff changeset
671 new_poly_dr (pbb, stmt, kind, isl_map_add_constraint (acc, c),
kono
parents: 67
diff changeset
672 subscript_sizes);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
673 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
674
111
kono
parents: 67
diff changeset
675 /* Record all cross basic block scalar variables in PBB. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
676
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
677 static void
111
kono
parents: 67
diff changeset
678 build_poly_sr (poly_bb_p pbb)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
679 {
111
kono
parents: 67
diff changeset
680 scop_p scop = PBB_SCOP (pbb);
kono
parents: 67
diff changeset
681 gimple_poly_bb_p gbb = PBB_BLACK_BOX (pbb);
kono
parents: 67
diff changeset
682 vec<scalar_use> &reads = gbb->read_scalar_refs;
kono
parents: 67
diff changeset
683 vec<tree> &writes = gbb->write_scalar_refs;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
684
111
kono
parents: 67
diff changeset
685 isl_space *dc = isl_set_get_space (pbb->domain);
kono
parents: 67
diff changeset
686 int nb_out = 1;
kono
parents: 67
diff changeset
687 isl_space *space = isl_space_add_dims (isl_space_from_domain (dc),
kono
parents: 67
diff changeset
688 isl_dim_out, nb_out);
kono
parents: 67
diff changeset
689 isl_id *id = isl_id_for_dr (scop);
kono
parents: 67
diff changeset
690 space = isl_space_set_tuple_id (space, isl_dim_set, isl_id_copy (id));
kono
parents: 67
diff changeset
691 isl_map *acc = isl_map_universe (isl_space_copy (space));
kono
parents: 67
diff changeset
692 acc = isl_map_set_tuple_id (acc, isl_dim_out, id);
kono
parents: 67
diff changeset
693 isl_set *subscript_sizes = isl_set_nat_universe (space);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
694
111
kono
parents: 67
diff changeset
695 int i;
kono
parents: 67
diff changeset
696 tree var;
kono
parents: 67
diff changeset
697 FOR_EACH_VEC_ELT (writes, i, var)
kono
parents: 67
diff changeset
698 build_poly_sr_1 (pbb, SSA_NAME_DEF_STMT (var), var, PDR_WRITE,
kono
parents: 67
diff changeset
699 isl_map_copy (acc), isl_set_copy (subscript_sizes));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
700
111
kono
parents: 67
diff changeset
701 scalar_use *use;
kono
parents: 67
diff changeset
702 FOR_EACH_VEC_ELT (reads, i, use)
kono
parents: 67
diff changeset
703 build_poly_sr_1 (pbb, use->first, use->second, PDR_READ, isl_map_copy (acc),
kono
parents: 67
diff changeset
704 isl_set_copy (subscript_sizes));
kono
parents: 67
diff changeset
705
kono
parents: 67
diff changeset
706 isl_map_free (acc);
kono
parents: 67
diff changeset
707 isl_set_free (subscript_sizes);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
708 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
709
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
710 /* Build data references in SCOP. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
711
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
712 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
713 build_scop_drs (scop_p scop)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
714 {
111
kono
parents: 67
diff changeset
715 int i;
kono
parents: 67
diff changeset
716 dr_info *dri;
kono
parents: 67
diff changeset
717 FOR_EACH_VEC_ELT (scop->drs, i, dri)
kono
parents: 67
diff changeset
718 build_poly_dr (*dri);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
719
111
kono
parents: 67
diff changeset
720 poly_bb_p pbb;
kono
parents: 67
diff changeset
721 FOR_EACH_VEC_ELT (scop->pbbs, i, pbb)
kono
parents: 67
diff changeset
722 build_poly_sr (pbb);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
723 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
724
111
kono
parents: 67
diff changeset
725 /* Add to the iteration DOMAIN one extra dimension for LOOP->num. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
726
111
kono
parents: 67
diff changeset
727 static isl_set *
kono
parents: 67
diff changeset
728 add_iter_domain_dimension (__isl_take isl_set *domain, loop_p loop, scop_p scop)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
729 {
111
kono
parents: 67
diff changeset
730 int loop_index = isl_set_dim (domain, isl_dim_set);
kono
parents: 67
diff changeset
731 domain = isl_set_add_dims (domain, isl_dim_set, 1);
kono
parents: 67
diff changeset
732 char name[50];
kono
parents: 67
diff changeset
733 snprintf (name, sizeof(name), "i%d", loop->num);
kono
parents: 67
diff changeset
734 isl_id *label = isl_id_alloc (scop->isl_context, name, NULL);
kono
parents: 67
diff changeset
735 return isl_set_set_dim_id (domain, isl_dim_set, loop_index, label);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
736 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
737
111
kono
parents: 67
diff changeset
738 /* Add constraints to DOMAIN for each loop from LOOP up to CONTEXT. */
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
739
111
kono
parents: 67
diff changeset
740 static isl_set *
kono
parents: 67
diff changeset
741 add_loop_constraints (scop_p scop, __isl_take isl_set *domain, loop_p loop,
kono
parents: 67
diff changeset
742 loop_p context)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
743 {
111
kono
parents: 67
diff changeset
744 if (loop == context)
kono
parents: 67
diff changeset
745 return domain;
kono
parents: 67
diff changeset
746 const sese_l &region = scop->scop_info->region;
kono
parents: 67
diff changeset
747 if (!loop_in_sese_p (loop, region))
kono
parents: 67
diff changeset
748 return domain;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
749
111
kono
parents: 67
diff changeset
750 /* Recursion all the way up to the context loop. */
kono
parents: 67
diff changeset
751 domain = add_loop_constraints (scop, domain, loop_outer (loop), context);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
752
111
kono
parents: 67
diff changeset
753 /* Then, build constraints over the loop in post-order: outer to inner. */
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
754
111
kono
parents: 67
diff changeset
755 int loop_index = isl_set_dim (domain, isl_dim_set);
kono
parents: 67
diff changeset
756 if (dump_file)
kono
parents: 67
diff changeset
757 fprintf (dump_file, "[sese-to-poly] adding one extra dimension to the "
kono
parents: 67
diff changeset
758 "domain for loop_%d.\n", loop->num);
kono
parents: 67
diff changeset
759 domain = add_iter_domain_dimension (domain, loop, scop);
kono
parents: 67
diff changeset
760 isl_space *space = isl_set_get_space (domain);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
761
111
kono
parents: 67
diff changeset
762 /* 0 <= loop_i */
kono
parents: 67
diff changeset
763 isl_local_space *ls = isl_local_space_from_space (isl_space_copy (space));
kono
parents: 67
diff changeset
764 isl_constraint *c = isl_inequality_alloc (ls);
kono
parents: 67
diff changeset
765 c = isl_constraint_set_coefficient_si (c, isl_dim_set, loop_index, 1);
kono
parents: 67
diff changeset
766 if (dump_file)
kono
parents: 67
diff changeset
767 {
kono
parents: 67
diff changeset
768 fprintf (dump_file, "[sese-to-poly] adding constraint to the domain: ");
kono
parents: 67
diff changeset
769 print_isl_constraint (dump_file, c);
kono
parents: 67
diff changeset
770 }
kono
parents: 67
diff changeset
771 domain = isl_set_add_constraint (domain, c);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
772
111
kono
parents: 67
diff changeset
773 tree nb_iters = number_of_latch_executions (loop);
kono
parents: 67
diff changeset
774 if (TREE_CODE (nb_iters) == INTEGER_CST)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
775 {
111
kono
parents: 67
diff changeset
776 /* loop_i <= cst_nb_iters */
kono
parents: 67
diff changeset
777 isl_local_space *ls = isl_local_space_from_space (space);
kono
parents: 67
diff changeset
778 isl_constraint *c = isl_inequality_alloc (ls);
kono
parents: 67
diff changeset
779 c = isl_constraint_set_coefficient_si (c, isl_dim_set, loop_index, -1);
kono
parents: 67
diff changeset
780 isl_val *v
kono
parents: 67
diff changeset
781 = isl_val_int_from_wi (scop->isl_context, wi::to_widest (nb_iters));
kono
parents: 67
diff changeset
782 c = isl_constraint_set_constant_val (c, v);
kono
parents: 67
diff changeset
783 return isl_set_add_constraint (domain, c);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
784 }
111
kono
parents: 67
diff changeset
785 /* loop_i <= expr_nb_iters */
kono
parents: 67
diff changeset
786 gcc_assert (!chrec_contains_undetermined (nb_iters));
kono
parents: 67
diff changeset
787 nb_iters = scalar_evolution_in_region (region, loop, nb_iters);
kono
parents: 67
diff changeset
788 gcc_assert (!chrec_contains_undetermined (nb_iters));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
789
111
kono
parents: 67
diff changeset
790 isl_pw_aff *aff_nb_iters = extract_affine (scop, nb_iters,
kono
parents: 67
diff changeset
791 isl_space_copy (space));
kono
parents: 67
diff changeset
792 isl_set *valid = isl_pw_aff_nonneg_set (isl_pw_aff_copy (aff_nb_iters));
kono
parents: 67
diff changeset
793 valid = isl_set_project_out (valid, isl_dim_set, 0,
kono
parents: 67
diff changeset
794 isl_set_dim (valid, isl_dim_set));
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
795
111
kono
parents: 67
diff changeset
796 if (valid)
kono
parents: 67
diff changeset
797 scop->param_context = isl_set_intersect (scop->param_context, valid);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
798
111
kono
parents: 67
diff changeset
799 ls = isl_local_space_from_space (isl_space_copy (space));
kono
parents: 67
diff changeset
800 isl_aff *loop_i = isl_aff_set_coefficient_si (isl_aff_zero_on_domain (ls),
kono
parents: 67
diff changeset
801 isl_dim_in, loop_index, 1);
kono
parents: 67
diff changeset
802 isl_set *le = isl_pw_aff_le_set (isl_pw_aff_from_aff (loop_i),
kono
parents: 67
diff changeset
803 isl_pw_aff_copy (aff_nb_iters));
kono
parents: 67
diff changeset
804 if (dump_file)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
805 {
111
kono
parents: 67
diff changeset
806 fprintf (dump_file, "[sese-to-poly] adding constraint to the domain: ");
kono
parents: 67
diff changeset
807 print_isl_set (dump_file, le);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
808 }
111
kono
parents: 67
diff changeset
809 domain = isl_set_intersect (domain, le);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
810
111
kono
parents: 67
diff changeset
811 widest_int nit;
kono
parents: 67
diff changeset
812 if (!max_stmt_executions (loop, &nit))
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
813 {
111
kono
parents: 67
diff changeset
814 isl_pw_aff_free (aff_nb_iters);
kono
parents: 67
diff changeset
815 isl_space_free (space);
kono
parents: 67
diff changeset
816 return domain;
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
817 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
818
111
kono
parents: 67
diff changeset
819 /* NIT is an upper bound to NB_ITERS: "NIT >= NB_ITERS", although we
kono
parents: 67
diff changeset
820 do not know whether the loop executes at least once. */
kono
parents: 67
diff changeset
821 --nit;
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
822
111
kono
parents: 67
diff changeset
823 isl_pw_aff *approx = extract_affine_wi (nit, isl_space_copy (space));
kono
parents: 67
diff changeset
824 isl_set *x = isl_pw_aff_ge_set (approx, aff_nb_iters);
kono
parents: 67
diff changeset
825 x = isl_set_project_out (x, isl_dim_set, 0,
kono
parents: 67
diff changeset
826 isl_set_dim (x, isl_dim_set));
kono
parents: 67
diff changeset
827 scop->param_context = isl_set_intersect (scop->param_context, x);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
828
111
kono
parents: 67
diff changeset
829 ls = isl_local_space_from_space (space);
kono
parents: 67
diff changeset
830 c = isl_inequality_alloc (ls);
kono
parents: 67
diff changeset
831 c = isl_constraint_set_coefficient_si (c, isl_dim_set, loop_index, -1);
kono
parents: 67
diff changeset
832 isl_val *v = isl_val_int_from_wi (scop->isl_context, nit);
kono
parents: 67
diff changeset
833 c = isl_constraint_set_constant_val (c, v);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
834
111
kono
parents: 67
diff changeset
835 if (dump_file)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
836 {
111
kono
parents: 67
diff changeset
837 fprintf (dump_file, "[sese-to-poly] adding constraint to the domain: ");
kono
parents: 67
diff changeset
838 print_isl_constraint (dump_file, c);
55
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
111
kono
parents: 67
diff changeset
841 return isl_set_add_constraint (domain, c);
55
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
111
kono
parents: 67
diff changeset
844 /* Builds the original iteration domains for each pbb in the SCOP. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
845
111
kono
parents: 67
diff changeset
846 static int
kono
parents: 67
diff changeset
847 build_iteration_domains (scop_p scop, __isl_keep isl_set *context,
kono
parents: 67
diff changeset
848 int index, loop_p context_loop)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
849 {
111
kono
parents: 67
diff changeset
850 loop_p current = pbb_loop (scop->pbbs[index]);
kono
parents: 67
diff changeset
851 isl_set *domain = isl_set_copy (context);
kono
parents: 67
diff changeset
852 domain = add_loop_constraints (scop, domain, current, context_loop);
kono
parents: 67
diff changeset
853 const sese_l &region = scop->scop_info->region;
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
854
111
kono
parents: 67
diff changeset
855 int i;
kono
parents: 67
diff changeset
856 poly_bb_p pbb;
kono
parents: 67
diff changeset
857 FOR_EACH_VEC_ELT_FROM (scop->pbbs, i, pbb, index)
kono
parents: 67
diff changeset
858 {
kono
parents: 67
diff changeset
859 loop_p loop = pbb_loop (pbb);
kono
parents: 67
diff changeset
860 if (current == loop)
kono
parents: 67
diff changeset
861 {
kono
parents: 67
diff changeset
862 pbb->iterators = isl_set_copy (domain);
kono
parents: 67
diff changeset
863 pbb->domain = isl_set_copy (domain);
kono
parents: 67
diff changeset
864 pbb->domain = isl_set_set_tuple_id (pbb->domain,
kono
parents: 67
diff changeset
865 isl_id_for_pbb (scop, pbb));
kono
parents: 67
diff changeset
866 add_conditions_to_domain (pbb);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
867
111
kono
parents: 67
diff changeset
868 if (dump_file)
kono
parents: 67
diff changeset
869 {
kono
parents: 67
diff changeset
870 fprintf (dump_file, "[sese-to-poly] set pbb_%d->domain: ",
kono
parents: 67
diff changeset
871 pbb_index (pbb));
kono
parents: 67
diff changeset
872 print_isl_set (dump_file, domain);
kono
parents: 67
diff changeset
873 }
kono
parents: 67
diff changeset
874 continue;
55
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
111
kono
parents: 67
diff changeset
877 while (loop_in_sese_p (loop, region)
kono
parents: 67
diff changeset
878 && current != loop)
kono
parents: 67
diff changeset
879 loop = loop_outer (loop);
kono
parents: 67
diff changeset
880
kono
parents: 67
diff changeset
881 if (current != loop)
kono
parents: 67
diff changeset
882 {
kono
parents: 67
diff changeset
883 /* A statement in a different loop nest than CURRENT loop. */
kono
parents: 67
diff changeset
884 isl_set_free (domain);
kono
parents: 67
diff changeset
885 return i;
kono
parents: 67
diff changeset
886 }
kono
parents: 67
diff changeset
887
kono
parents: 67
diff changeset
888 /* A statement nested in the CURRENT loop. */
kono
parents: 67
diff changeset
889 i = build_iteration_domains (scop, domain, i, current);
kono
parents: 67
diff changeset
890 i--;
kono
parents: 67
diff changeset
891 }
kono
parents: 67
diff changeset
892
kono
parents: 67
diff changeset
893 isl_set_free (domain);
kono
parents: 67
diff changeset
894 return i;
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
895 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
896
111
kono
parents: 67
diff changeset
897 /* Assign dimension for each parameter in SCOP and add constraints for the
kono
parents: 67
diff changeset
898 parameters. */
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
899
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
900 static void
111
kono
parents: 67
diff changeset
901 build_scop_context (scop_p scop)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
902 {
111
kono
parents: 67
diff changeset
903 sese_info_p region = scop->scop_info;
kono
parents: 67
diff changeset
904 unsigned nbp = sese_nb_params (region);
kono
parents: 67
diff changeset
905 isl_space *space = isl_space_set_alloc (scop->isl_context, nbp, 0);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
906
111
kono
parents: 67
diff changeset
907 unsigned i;
kono
parents: 67
diff changeset
908 tree e;
kono
parents: 67
diff changeset
909 FOR_EACH_VEC_ELT (region->params, i, e)
kono
parents: 67
diff changeset
910 space = isl_space_set_dim_id (space, isl_dim_param, i,
kono
parents: 67
diff changeset
911 isl_id_for_ssa_name (scop, e));
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
912
111
kono
parents: 67
diff changeset
913 scop->param_context = isl_set_universe (space);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
914
111
kono
parents: 67
diff changeset
915 FOR_EACH_VEC_ELT (region->params, i, e)
kono
parents: 67
diff changeset
916 add_param_constraints (scop, i, e);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
917 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
918
111
kono
parents: 67
diff changeset
919 /* Return true when loop A is nested in loop B. */
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
920
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
921 static bool
111
kono
parents: 67
diff changeset
922 nested_in (loop_p a, loop_p b)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
923 {
111
kono
parents: 67
diff changeset
924 return b == find_common_loop (a, b);
kono
parents: 67
diff changeset
925 }
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
926
111
kono
parents: 67
diff changeset
927 /* Return the loop at a specific SCOP->pbbs[*INDEX]. */
kono
parents: 67
diff changeset
928 static loop_p
kono
parents: 67
diff changeset
929 loop_at (scop_p scop, int *index)
kono
parents: 67
diff changeset
930 {
kono
parents: 67
diff changeset
931 return pbb_loop (scop->pbbs[*index]);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
932 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
933
111
kono
parents: 67
diff changeset
934 /* Return the index of any pbb belonging to loop or a subloop of A. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
935
111
kono
parents: 67
diff changeset
936 static int
kono
parents: 67
diff changeset
937 index_outermost_in_loop (loop_p a, scop_p scop)
kono
parents: 67
diff changeset
938 {
kono
parents: 67
diff changeset
939 int i, outermost = -1;
kono
parents: 67
diff changeset
940 int last_depth = -1;
kono
parents: 67
diff changeset
941 poly_bb_p pbb;
kono
parents: 67
diff changeset
942 FOR_EACH_VEC_ELT (scop->pbbs, i, pbb)
kono
parents: 67
diff changeset
943 if (nested_in (pbb_loop (pbb), a)
kono
parents: 67
diff changeset
944 && (last_depth == -1
kono
parents: 67
diff changeset
945 || last_depth > (int) loop_depth (pbb_loop (pbb))))
kono
parents: 67
diff changeset
946 {
kono
parents: 67
diff changeset
947 outermost = i;
kono
parents: 67
diff changeset
948 last_depth = loop_depth (pbb_loop (pbb));
kono
parents: 67
diff changeset
949 }
kono
parents: 67
diff changeset
950 return outermost;
55
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
111
kono
parents: 67
diff changeset
953 /* Return the index of any pbb belonging to loop or a subloop of A. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
954
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
955 static int
111
kono
parents: 67
diff changeset
956 index_pbb_in_loop (loop_p a, scop_p scop)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
957 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
958 int i;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
959 poly_bb_p pbb;
111
kono
parents: 67
diff changeset
960 FOR_EACH_VEC_ELT (scop->pbbs, i, pbb)
kono
parents: 67
diff changeset
961 if (pbb_loop (pbb) == a)
kono
parents: 67
diff changeset
962 return i;
kono
parents: 67
diff changeset
963 return -1;
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
964 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
965
111
kono
parents: 67
diff changeset
966 static poly_bb_p
kono
parents: 67
diff changeset
967 outermost_pbb_in (loop_p loop, scop_p scop)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
968 {
111
kono
parents: 67
diff changeset
969 int x = index_pbb_in_loop (loop, scop);
kono
parents: 67
diff changeset
970 if (x == -1)
kono
parents: 67
diff changeset
971 x = index_outermost_in_loop (loop, scop);
kono
parents: 67
diff changeset
972 return scop->pbbs[x];
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
973 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
974
111
kono
parents: 67
diff changeset
975 static isl_schedule *
kono
parents: 67
diff changeset
976 add_in_sequence (__isl_take isl_schedule *a, __isl_take isl_schedule *b)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
977 {
111
kono
parents: 67
diff changeset
978 gcc_assert (a || b);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
979
111
kono
parents: 67
diff changeset
980 if (!a)
kono
parents: 67
diff changeset
981 return b;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
982
111
kono
parents: 67
diff changeset
983 if (!b)
kono
parents: 67
diff changeset
984 return a;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
985
111
kono
parents: 67
diff changeset
986 return isl_schedule_sequence (a, b);
55
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
111
kono
parents: 67
diff changeset
989 struct map_to_dimension_data {
kono
parents: 67
diff changeset
990 int n;
kono
parents: 67
diff changeset
991 isl_union_pw_multi_aff *res;
kono
parents: 67
diff changeset
992 };
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
993
111
kono
parents: 67
diff changeset
994 /* Create a function that maps the elements of SET to its N-th dimension and add
kono
parents: 67
diff changeset
995 it to USER->res. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
996
111
kono
parents: 67
diff changeset
997 static isl_stat
kono
parents: 67
diff changeset
998 add_outer_projection (__isl_take isl_set *set, void *user)
kono
parents: 67
diff changeset
999 {
kono
parents: 67
diff changeset
1000 struct map_to_dimension_data *data = (struct map_to_dimension_data *) user;
kono
parents: 67
diff changeset
1001 int dim = isl_set_dim (set, isl_dim_set);
kono
parents: 67
diff changeset
1002 isl_space *space = isl_set_get_space (set);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1003
111
kono
parents: 67
diff changeset
1004 gcc_assert (dim >= data->n);
kono
parents: 67
diff changeset
1005 isl_pw_multi_aff *pma
kono
parents: 67
diff changeset
1006 = isl_pw_multi_aff_project_out_map (space, isl_dim_set, data->n,
kono
parents: 67
diff changeset
1007 dim - data->n);
kono
parents: 67
diff changeset
1008 data->res = isl_union_pw_multi_aff_add_pw_multi_aff (data->res, pma);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1009
111
kono
parents: 67
diff changeset
1010 isl_set_free (set);
kono
parents: 67
diff changeset
1011 return isl_stat_ok;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1012 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1013
111
kono
parents: 67
diff changeset
1014 /* Return SET in which all inner dimensions above N are removed. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1015
111
kono
parents: 67
diff changeset
1016 static isl_multi_union_pw_aff *
kono
parents: 67
diff changeset
1017 outer_projection_mupa (__isl_take isl_union_set *set, int n)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1018 {
111
kono
parents: 67
diff changeset
1019 gcc_assert (n >= 0);
kono
parents: 67
diff changeset
1020 gcc_assert (set);
kono
parents: 67
diff changeset
1021 gcc_assert (!isl_union_set_is_empty (set));
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1022
111
kono
parents: 67
diff changeset
1023 isl_space *space = isl_union_set_get_space (set);
kono
parents: 67
diff changeset
1024 isl_union_pw_multi_aff *pwaff = isl_union_pw_multi_aff_empty (space);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1025
111
kono
parents: 67
diff changeset
1026 struct map_to_dimension_data data = {n, pwaff};
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1027
111
kono
parents: 67
diff changeset
1028 if (isl_union_set_foreach_set (set, &add_outer_projection, &data) < 0)
kono
parents: 67
diff changeset
1029 data.res = isl_union_pw_multi_aff_free (data.res);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1030
111
kono
parents: 67
diff changeset
1031 isl_union_set_free (set);
kono
parents: 67
diff changeset
1032 return isl_multi_union_pw_aff_from_union_pw_multi_aff (data.res);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1033 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1034
111
kono
parents: 67
diff changeset
1035 /* Embed SCHEDULE in the constraints of the LOOP domain. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1036
111
kono
parents: 67
diff changeset
1037 static isl_schedule *
kono
parents: 67
diff changeset
1038 add_loop_schedule (__isl_take isl_schedule *schedule, loop_p loop,
kono
parents: 67
diff changeset
1039 scop_p scop)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1040 {
111
kono
parents: 67
diff changeset
1041 poly_bb_p pbb = outermost_pbb_in (loop, scop);
kono
parents: 67
diff changeset
1042 isl_set *iterators = pbb->iterators;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1043
111
kono
parents: 67
diff changeset
1044 int empty = isl_set_is_empty (iterators);
kono
parents: 67
diff changeset
1045 if (empty < 0 || empty)
kono
parents: 67
diff changeset
1046 return empty < 0 ? isl_schedule_free (schedule) : schedule;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1047
111
kono
parents: 67
diff changeset
1048 isl_union_set *domain = isl_schedule_get_domain (schedule);
kono
parents: 67
diff changeset
1049 /* We cannot apply an empty domain to pbbs in this loop so return early. */
kono
parents: 67
diff changeset
1050 if (isl_union_set_is_empty (domain))
kono
parents: 67
diff changeset
1051 {
kono
parents: 67
diff changeset
1052 isl_union_set_free (domain);
kono
parents: 67
diff changeset
1053 return schedule;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1054 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1055
111
kono
parents: 67
diff changeset
1056 isl_space *space = isl_set_get_space (iterators);
kono
parents: 67
diff changeset
1057 int loop_index = isl_space_dim (space, isl_dim_set) - 1;
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1058
111
kono
parents: 67
diff changeset
1059 loop_p ploop = pbb_loop (pbb);
kono
parents: 67
diff changeset
1060 while (loop != ploop)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1061 {
111
kono
parents: 67
diff changeset
1062 --loop_index;
kono
parents: 67
diff changeset
1063 ploop = loop_outer (ploop);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1064 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1065
111
kono
parents: 67
diff changeset
1066 isl_local_space *ls = isl_local_space_from_space (space);
kono
parents: 67
diff changeset
1067 isl_aff *aff = isl_aff_var_on_domain (ls, isl_dim_set, loop_index);
kono
parents: 67
diff changeset
1068 isl_multi_aff *prefix = isl_multi_aff_from_aff (aff);
kono
parents: 67
diff changeset
1069 char name[50];
kono
parents: 67
diff changeset
1070 snprintf (name, sizeof(name), "L_%d", loop->num);
kono
parents: 67
diff changeset
1071 isl_id *label = isl_id_alloc (isl_schedule_get_ctx (schedule),
kono
parents: 67
diff changeset
1072 name, NULL);
kono
parents: 67
diff changeset
1073 prefix = isl_multi_aff_set_tuple_id (prefix, isl_dim_out, label);
kono
parents: 67
diff changeset
1074
kono
parents: 67
diff changeset
1075 int n = isl_multi_aff_dim (prefix, isl_dim_in);
kono
parents: 67
diff changeset
1076 isl_multi_union_pw_aff *mupa = outer_projection_mupa (domain, n);
kono
parents: 67
diff changeset
1077 mupa = isl_multi_union_pw_aff_apply_multi_aff (mupa, prefix);
kono
parents: 67
diff changeset
1078 return isl_schedule_insert_partial_schedule (schedule, mupa);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1079 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1080
111
kono
parents: 67
diff changeset
1081 /* Build schedule for the pbb at INDEX. */
63
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
1082
111
kono
parents: 67
diff changeset
1083 static isl_schedule *
kono
parents: 67
diff changeset
1084 build_schedule_pbb (scop_p scop, int *index)
kono
parents: 67
diff changeset
1085 {
kono
parents: 67
diff changeset
1086 poly_bb_p pbb = scop->pbbs[*index];
kono
parents: 67
diff changeset
1087 ++*index;
kono
parents: 67
diff changeset
1088 isl_set *domain = isl_set_copy (pbb->domain);
kono
parents: 67
diff changeset
1089 isl_union_set *ud = isl_union_set_from_set (domain);
kono
parents: 67
diff changeset
1090 return isl_schedule_from_domain (ud);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1091 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1092
111
kono
parents: 67
diff changeset
1093 static isl_schedule *build_schedule_loop_nest (scop_p, int *, loop_p);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1094
111
kono
parents: 67
diff changeset
1095 /* Build the schedule of the loop containing the SCOP pbb at INDEX. */
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1096
111
kono
parents: 67
diff changeset
1097 static isl_schedule *
kono
parents: 67
diff changeset
1098 build_schedule_loop (scop_p scop, int *index)
kono
parents: 67
diff changeset
1099 {
kono
parents: 67
diff changeset
1100 int max = scop->pbbs.length ();
kono
parents: 67
diff changeset
1101 gcc_assert (*index < max);
kono
parents: 67
diff changeset
1102 loop_p loop = loop_at (scop, index);
63
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
1103
111
kono
parents: 67
diff changeset
1104 isl_schedule *s = NULL;
kono
parents: 67
diff changeset
1105 while (nested_in (loop_at (scop, index), loop))
kono
parents: 67
diff changeset
1106 {
kono
parents: 67
diff changeset
1107 if (loop == loop_at (scop, index))
kono
parents: 67
diff changeset
1108 s = add_in_sequence (s, build_schedule_pbb (scop, index));
kono
parents: 67
diff changeset
1109 else
kono
parents: 67
diff changeset
1110 s = add_in_sequence (s, build_schedule_loop_nest (scop, index, loop));
63
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
1111
111
kono
parents: 67
diff changeset
1112 if (*index == max)
kono
parents: 67
diff changeset
1113 break;
63
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
1114 }
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
1115
111
kono
parents: 67
diff changeset
1116 return add_loop_schedule (s, loop, scop);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1117 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1118
111
kono
parents: 67
diff changeset
1119 /* S is the schedule of the loop LOOP. Embed the schedule S in all outer loops.
kono
parents: 67
diff changeset
1120 When CONTEXT_LOOP is null, embed the schedule in all loops contained in the
kono
parents: 67
diff changeset
1121 SCOP surrounding LOOP. When CONTEXT_LOOP is non null, only embed S in the
kono
parents: 67
diff changeset
1122 maximal loop nest contained within CONTEXT_LOOP. */
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1123
111
kono
parents: 67
diff changeset
1124 static isl_schedule *
kono
parents: 67
diff changeset
1125 embed_in_surrounding_loops (__isl_take isl_schedule *s, scop_p scop,
kono
parents: 67
diff changeset
1126 loop_p loop, int *index, loop_p context_loop)
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1127 {
111
kono
parents: 67
diff changeset
1128 loop_p outer = loop_outer (loop);
kono
parents: 67
diff changeset
1129 sese_l region = scop->scop_info->region;
kono
parents: 67
diff changeset
1130 if (context_loop == outer
kono
parents: 67
diff changeset
1131 || !loop_in_sese_p (outer, region))
kono
parents: 67
diff changeset
1132 return s;
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1133
111
kono
parents: 67
diff changeset
1134 int max = scop->pbbs.length ();
kono
parents: 67
diff changeset
1135 if (*index == max
kono
parents: 67
diff changeset
1136 || (context_loop && !nested_in (loop_at (scop, index), context_loop))
kono
parents: 67
diff changeset
1137 || (!context_loop
kono
parents: 67
diff changeset
1138 && !loop_in_sese_p (find_common_loop (outer, loop_at (scop, index)),
kono
parents: 67
diff changeset
1139 region)))
kono
parents: 67
diff changeset
1140 return embed_in_surrounding_loops (add_loop_schedule (s, outer, scop),
kono
parents: 67
diff changeset
1141 scop, outer, index, context_loop);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1142
111
kono
parents: 67
diff changeset
1143 bool a_pbb;
kono
parents: 67
diff changeset
1144 while ((a_pbb = (outer == loop_at (scop, index)))
kono
parents: 67
diff changeset
1145 || nested_in (loop_at (scop, index), outer))
kono
parents: 67
diff changeset
1146 {
kono
parents: 67
diff changeset
1147 if (a_pbb)
kono
parents: 67
diff changeset
1148 s = add_in_sequence (s, build_schedule_pbb (scop, index));
kono
parents: 67
diff changeset
1149 else
kono
parents: 67
diff changeset
1150 s = add_in_sequence (s, build_schedule_loop (scop, index));
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1151
111
kono
parents: 67
diff changeset
1152 if (*index == max)
kono
parents: 67
diff changeset
1153 break;
kono
parents: 67
diff changeset
1154 }
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1155
111
kono
parents: 67
diff changeset
1156 /* We reached the end of the OUTER loop: embed S in OUTER. */
kono
parents: 67
diff changeset
1157 return embed_in_surrounding_loops (add_loop_schedule (s, outer, scop), scop,
kono
parents: 67
diff changeset
1158 outer, index, context_loop);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1159 }
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1160
111
kono
parents: 67
diff changeset
1161 /* Build schedule for the full loop nest containing the pbb at INDEX. When
kono
parents: 67
diff changeset
1162 CONTEXT_LOOP is null, build the schedule of all loops contained in the SCOP
kono
parents: 67
diff changeset
1163 surrounding the pbb. When CONTEXT_LOOP is non null, only build the maximal loop
kono
parents: 67
diff changeset
1164 nest contained within CONTEXT_LOOP. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1165
111
kono
parents: 67
diff changeset
1166 static isl_schedule *
kono
parents: 67
diff changeset
1167 build_schedule_loop_nest (scop_p scop, int *index, loop_p context_loop)
kono
parents: 67
diff changeset
1168 {
kono
parents: 67
diff changeset
1169 gcc_assert (*index != (int) scop->pbbs.length ());
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1170
111
kono
parents: 67
diff changeset
1171 loop_p loop = loop_at (scop, index);
kono
parents: 67
diff changeset
1172 isl_schedule *s = build_schedule_loop (scop, index);
kono
parents: 67
diff changeset
1173 return embed_in_surrounding_loops (s, scop, loop, index, context_loop);
kono
parents: 67
diff changeset
1174 }
kono
parents: 67
diff changeset
1175
kono
parents: 67
diff changeset
1176 /* Build the schedule of the SCOP. */
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1177
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1178 static void
111
kono
parents: 67
diff changeset
1179 build_original_schedule (scop_p scop)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1180 {
111
kono
parents: 67
diff changeset
1181 int i = 0;
kono
parents: 67
diff changeset
1182 int n = scop->pbbs.length ();
kono
parents: 67
diff changeset
1183 while (i < n)
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1184 {
111
kono
parents: 67
diff changeset
1185 poly_bb_p pbb = scop->pbbs[i];
kono
parents: 67
diff changeset
1186 isl_schedule *s = NULL;
kono
parents: 67
diff changeset
1187 if (!loop_in_sese_p (pbb_loop (pbb), scop->scop_info->region))
kono
parents: 67
diff changeset
1188 s = build_schedule_pbb (scop, &i);
kono
parents: 67
diff changeset
1189 else
kono
parents: 67
diff changeset
1190 s = build_schedule_loop_nest (scop, &i, NULL);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1191
111
kono
parents: 67
diff changeset
1192 scop->original_schedule = add_in_sequence (scop->original_schedule, s);
kono
parents: 67
diff changeset
1193 }
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1194
111
kono
parents: 67
diff changeset
1195 if (dump_file)
kono
parents: 67
diff changeset
1196 {
kono
parents: 67
diff changeset
1197 fprintf (dump_file, "[sese-to-poly] original schedule:\n");
kono
parents: 67
diff changeset
1198 print_isl_schedule (dump_file, scop->original_schedule);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1199 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1200 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1201
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1202 /* Builds the polyhedral representation for a SESE region. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1203
111
kono
parents: 67
diff changeset
1204 bool
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1205 build_poly_scop (scop_p scop)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1206 {
111
kono
parents: 67
diff changeset
1207 int old_err = isl_options_get_on_error (scop->isl_context);
kono
parents: 67
diff changeset
1208 isl_options_set_on_error (scop->isl_context, ISL_ON_ERROR_CONTINUE);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1209
111
kono
parents: 67
diff changeset
1210 build_scop_context (scop);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1211
111
kono
parents: 67
diff changeset
1212 unsigned i = 0;
kono
parents: 67
diff changeset
1213 unsigned n = scop->pbbs.length ();
kono
parents: 67
diff changeset
1214 while (i < n)
kono
parents: 67
diff changeset
1215 i = build_iteration_domains (scop, scop->param_context, i, NULL);
67
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1216
f6334be47118 update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents: 63
diff changeset
1217 build_scop_drs (scop);
111
kono
parents: 67
diff changeset
1218 build_original_schedule (scop);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1219
111
kono
parents: 67
diff changeset
1220 enum isl_error err = isl_ctx_last_error (scop->isl_context);
kono
parents: 67
diff changeset
1221 isl_ctx_reset_error (scop->isl_context);
kono
parents: 67
diff changeset
1222 isl_options_set_on_error (scop->isl_context, old_err);
kono
parents: 67
diff changeset
1223 if (err != isl_error_none)
kono
parents: 67
diff changeset
1224 dump_printf (MSG_MISSED_OPTIMIZATION,
kono
parents: 67
diff changeset
1225 "ISL error while building poly scop\n");
kono
parents: 67
diff changeset
1226
kono
parents: 67
diff changeset
1227 return err == isl_error_none;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1228 }
111
kono
parents: 67
diff changeset
1229 #endif /* HAVE_isl */