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 cuda_stmt_access {
   9         /* Offset in stmt->text */
  10         int text_offset;
  11         int text_len;
  12
  13         /* Access reads elements */
  14         int read;
  15         /* Access writes elements */
  16         int write;
  17
  18         /* Index of the array reference group this reference belong to. */
  19         int group;
  20
  21         /* Access relation */
  22         isl_map *access;
  23
  24         struct cuda_stmt_access *next;
  25 };
  26
  27 struct cuda_stmt {
  28         isl_set *domain;
  29         char *text;
  30
  31         /* Number of tile dimensions. */
  32         int tile_len;
  33         /* Number of initial parallel loops among tile dimensions. */
  34         int n_parallel;
  35
  36         /* Linked list of accesses. */
  37         struct cuda_stmt_access *accesses;
  38 };
  39
  40 __isl_give isl_map *wavefront(__isl_take isl_dim *dim, int len,
  41         int first, int wave_len);
  42 __isl_give isl_map *project_out(__isl_take isl_dim *dim,
  43         int len, int first, int n);
  44 __isl_give isl_map *projection(__isl_take isl_dim *dim,
  45         int src_len, int dst_len);
  46 __isl_give isl_set *extend(__isl_take isl_set *set, int dst_len);
  47
  48 void stmt_extract_accesses(struct cuda_stmt *stmt);
  49
  50 #endif