include/isl_flow.h

   1 #ifndef ISL_FLOW_H
   2 #define ISL_FLOW_H
   3
   4 #include <isl_set.h>
   5 #include <isl_map.h>
   6
   7 #if defined(__cplusplus)
   8 extern "C" {
   9 #endif
  10
  11 /* Let n (>= 0) be the number of iterators shared by first and second.
  12  * If first precedes second textually return 2 * n + 1,
  13  * otherwise return 2 * n.
  14  */
  15 typedef int (*isl_access_level_before)(void *first, void *second);
  16
  17 struct isl_access_info;
  18 typedef struct isl_access_info isl_access_info;
  19 struct isl_flow;
  20 typedef struct isl_flow isl_flow;
  21
  22 __isl_give isl_access_info *isl_access_info_alloc(__isl_take isl_map *sink,
  23         void *sink_user, isl_access_level_before fn, int max_source);
  24 __isl_give isl_access_info *isl_access_info_add_source(
  25         __isl_take isl_access_info *acc, __isl_take isl_map *source,
  26         int must, void *source_user);
  27 __isl_give isl_flow *isl_access_info_compute_flow(__isl_take isl_access_info *acc);
  28 int isl_flow_foreach(__isl_keep isl_flow *deps,
  29         int (*fn)(__isl_take isl_map *dep, int must, void *dep_user, void *user),
  30         void *user);
  31 __isl_give isl_set *isl_flow_get_no_source(__isl_keep isl_flow *deps, int must);
  32 void isl_flow_free(__isl_take isl_flow *deps);
  33
  34 #if defined(__cplusplus)
  35 }
  36 #endif
  37
  38 #endif