polly/lib/External/isl/isl_multi_no_explicit_domain.c

   1 /*
   2  * Copyright 2017      Sven Verdoolaege
   3  *
   4  * Use of this software is governed by the MIT license
   5  *
   6  * Written by Sven Verdoolaege.
   7  */
   8
   9 /* These versions of the explicit domain functions are used
  10  * when the multi expression cannot have an explicit domain.
  11  */
  12
  13 #include <isl/space.h>
  14
  15 #include <isl_multi_macro.h>
  16
  17 /* Does "multi" have an explicit domain?
  18  *
  19  * No.
  20  */
  21 static int FN(MULTI(BASE),has_explicit_domain)(__isl_keep MULTI(BASE) *multi)
  22 {
  23         return 0;
  24 }
  25
  26 /* Initialize the explicit domain of "multi".
  27  * "multi" cannot have an explicit domain, so this function is never called.
  28  */
  29 static __isl_give MULTI(BASE) *FN(MULTI(BASE),init_explicit_domain)(
  30         __isl_take MULTI(BASE) *multi)
  31 {
  32         return multi;
  33 }
  34
  35 /* Intersect the domain of "dst" with the explicit domain of "src".
  36  * "src" cannot have an explicit domain, so this function is never called.
  37  */
  38 static __isl_give MULTI(BASE) *FN(MULTI(BASE),intersect_explicit_domain)(
  39         __isl_take MULTI(BASE) *dst, __isl_keep MULTI(BASE) *src)
  40 {
  41         return dst;
  42 }
  43
  44 /* Set the explicit domain of "dst" to that of "src".
  45  * "src" and "dst" cannot have an explicit domain,
  46  * so this function is never called.
  47  */
  48 static __isl_give MULTI(BASE) *FN(MULTI(BASE),copy_explicit_domain)(
  49         __isl_take MULTI(BASE) *dst, __isl_keep MULTI(BASE) *src)
  50 {
  51         return dst;
  52 }
  53
  54 /* Only used by multi-expressions that include "isl_multi_product_templ.c".
  55  */
  56 static __isl_give MULTI(BASE) *
  57 FN(MULTI(BASE),intersect_explicit_domain_product)(
  58         __isl_take MULTI(BASE) *dst, __isl_keep MULTI(BASE) *src1,
  59         __isl_keep MULTI(BASE) *src2) __attribute__ ((unused));
  60
  61 /* Intersect the domain of "dst" with the domain product
  62  * of the explicit domains of "src1" and "src2".
  63  * This function is only called if at least one of "src1" or "src2"
  64  * has an explicit domain.
  65  * "src1", "src2" and "dst" cannot have an explicit domain,
  66  * so this function is never called.
  67  */
  68 static __isl_give MULTI(BASE) *
  69 FN(MULTI(BASE),intersect_explicit_domain_product)(
  70         __isl_take MULTI(BASE) *dst, __isl_keep MULTI(BASE) *src1,
  71         __isl_keep MULTI(BASE) *src2)
  72 {
  73         return dst;
  74 }
  75
  76 /* Align the parameters of the explicit domain of "multi" to those of "space".
  77  * "multi" cannot have an explicit domain, so this function is never called.
  78  */
  79 static __isl_give MULTI(BASE) *FN(MULTI(BASE),align_explicit_domain_params)(
  80         __isl_take MULTI(BASE) *multi, __isl_take isl_space *space)
  81 {
  82         isl_space_free(space);
  83         return multi;
  84 }
  85
  86 /* Replace the space of the explicit domain of "multi" by "space",
  87  * without modifying its dimension.
  88  * "multi" cannot have an explicit domain, so this function is never called.
  89  */
  90 static __isl_give MULTI(BASE) *FN(MULTI(BASE),reset_explicit_domain_space)(
  91         __isl_take MULTI(BASE) *multi, __isl_take isl_space *space)
  92 {
  93         isl_space_free(space);
  94         return multi;
  95 }
  96
  97 /* Check whether the explicit domain of "multi" has non-zero coefficients
  98  * for any dimension in the given range or if any of these dimensions appear
  99  * with non-zero coefficients in any of the integer divisions involved.
 100  * "multi" cannot have an explicit domain, so this function is never called.
 101  */
 102 isl_bool FN(MULTI(BASE),involves_explicit_domain_dims)(
 103         __isl_keep MULTI(BASE) *multi,
 104         enum isl_dim_type type, unsigned pos, unsigned n)
 105 {
 106         return isl_bool_false;
 107 }
 108
 109 /* Insert "n" dimensions of type "type" at position "pos"
 110  * of the explicit domain of "multi".
 111  * "multi" cannot have an explicit domain, so this function is never called.
 112  */
 113 __isl_give MULTI(BASE) *FN(MULTI(BASE),insert_explicit_domain_dims)(
 114         __isl_take MULTI(BASE) *multi,
 115         enum isl_dim_type type, unsigned pos, unsigned n)
 116 {
 117         return multi;
 118 }
 119
 120 /* Drop the "n" dimensions of type "type" starting at position "pos"
 121  * of the explicit domain of "multi".
 122  * "multi" cannot have an explicit domain, so this function is never called.
 123  */
 124 __isl_give MULTI(BASE) *FN(MULTI(BASE),drop_explicit_domain_dims)(
 125         __isl_take MULTI(BASE) *multi,
 126         enum isl_dim_type type, unsigned pos, unsigned n)
 127 {
 128         return multi;
 129 }
 130
 131 /* Move the "n" dimensions of "src_type" starting at "src_pos" of
 132  * of the explicit domain of "multi" to dimensions of "dst_type" at "dst_pos".
 133  * "multi" cannot have an explicit domain, so this function is never called.
 134  */
 135 __isl_give MULTI(BASE) *FN(MULTI(BASE),move_explicit_domain_dims)(
 136         __isl_take MULTI(BASE) *multi,
 137         enum isl_dim_type dst_type, unsigned dst_pos,
 138         enum isl_dim_type src_type, unsigned src_pos, unsigned n)
 139 {
 140         return multi;
 141 }
 142
 143 /* Free the explicit domain of "multi".
 144  * "multi" cannot have an explicit domain, so this function is never called.
 145  */
 146 static void FN(MULTI(BASE),free_explicit_domain)(__isl_keep MULTI(BASE) *multi)
 147 {
 148 }
 149
 150 /* Do "multi1" and "multi2" have the same explicit domain?
 151  * "multi1" and "multi2" cannot have an explicit domain,
 152  * so this function is never called.
 153  */
 154 static isl_bool FN(MULTI(BASE),equal_explicit_domain)(
 155         __isl_keep MULTI(BASE) *multi1, __isl_keep MULTI(BASE) *multi2)
 156 {
 157         return isl_bool_true;
 158 }
 159
 160 static isl_stat FN(MULTI(BASE),check_explicit_domain)(
 161         __isl_keep MULTI(BASE) *multi) __attribute__ ((unused));
 162
 163 /* Debugging function to check that the explicit domain of "multi"
 164  * has the correct space.
 165  * "multi" cannot have an explicit domain,
 166  * so this function should never be called.
 167  */
 168 static isl_stat FN(MULTI(BASE),check_explicit_domain)(
 169         __isl_keep MULTI(BASE) *multi)
 170 {
 171         return isl_stat_ok;
 172 }