schedule.h

   1 #ifndef _SCHEDULE_H
   2 #define _SCHEDULE_H
   3
   4 #include <isl/id.h>
   5 #include <isl/set_type.h>
   6 #include <isl/map_type.h>
   7 #include <isl/union_map_type.h>
   8
   9 #include <pet.h>
  10
  11 /* An access to an outer array element or an iterator.
  12  * Accesses to iterators have an access relation that maps to an unnamed space.
  13  * An access may be both read and write.
  14  * If the access relation is empty, then the output dimension may
  15  * not be equal to the dimension of the corresponding array.
  16  */
  17 struct gpu_stmt_access {
  18         /* Access reads elements */
  19         int read;
  20         /* Access writes elements */
  21         int write;
  22         /* All writes are definite writes. */
  23         int exact_write;
  24         /* The number of index expressions specified in the access. */
  25         int n_index;
  26
  27         /* May access relation */
  28         isl_map *access;
  29         /* May access relation with as domain a mapping from iteration domain
  30          * to a reference identifier.
  31          */
  32         isl_map *tagged_access;
  33         /* The reference id of the corresponding pet_expr. */
  34         isl_id *ref_id;
  35
  36         struct gpu_stmt_access *next;
  37 };
  38
  39 struct gpu_stmt {
  40         isl_id *id;
  41         struct pet_stmt *stmt;
  42
  43         /* Linked list of accesses. */
  44         struct gpu_stmt_access *accesses;
  45 };
  46
  47 __isl_give isl_map *project_out(__isl_take isl_space *dim,
  48         int len, int first, int n);
  49 __isl_give isl_map *projection(__isl_take isl_space *dim,
  50         int src_len, int dst_len);
  51 __isl_give isl_set *parametrization(__isl_take isl_space *space,
  52         int len, int first, __isl_keep isl_id_list *names);
  53 __isl_give isl_set *extend(__isl_take isl_set *set, int dst_len);
  54
  55 #endif