schedule.h

   1 #ifndef _SCHEDULE_H
   2 #define _SCHEDULE_H
   3
   4 /* An access to an array element or an iterator.
   5  * Accesses to iterators have an access relation that maps to an unnamed space.
   6  * An access may be both read and write.
   7  */
   8 struct gpu_stmt_access {
   9         /* Access reads elements */
  10         int read;
  11         /* Access writes elements */
  12         int write;
  13
  14         /* Index of the array reference group this reference belong to. */
  15         int group;
  16
  17         /* Access relation */
  18         isl_map *access;
  19         /* The reference id of the corresponding pet_expr. */
  20         isl_id *ref_id;
  21
  22         struct gpu_stmt_access *next;
  23 };
  24
  25 struct gpu_stmt {
  26         isl_id *id;
  27         struct pet_stmt *stmt;
  28
  29         /* Number of tile dimensions. */
  30         int tile_len;
  31         /* Number of initial parallel loops among tile dimensions. */
  32         int n_parallel;
  33
  34         /* Linked list of accesses. */
  35         struct gpu_stmt_access *accesses;
  36 };
  37
  38 __isl_give isl_map *project_out(__isl_take isl_space *dim,
  39         int len, int first, int n);
  40 __isl_give isl_map *projection(__isl_take isl_space *dim,
  41         int src_len, int dst_len);
  42 __isl_give isl_set *extend(__isl_take isl_set *set, int dst_len);
  43 __isl_give isl_union_map *align_range(__isl_take isl_union_map *umap);
  44
  45 #endif