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1 office 1 #ifndef ISL_BAND_PRIVATE_H
2 #define ISL_BAND_PRIVATE_H
3  
4 #include <isl/aff.h>
5 #include <isl/band.h>
6 #include <isl/list.h>
7 #include <isl/schedule.h>
8  
9 /* Information about a band within a schedule.
10 *
11 * n is the number of scheduling dimensions within the band.
12 * zero is an array of length n, indicating whether a scheduling dimension
13 * results in zero dependence distances for the proximity dependences.
14 * pma is the partial schedule corresponding to this band.
15 * schedule is the schedule that contains this band.
16 * parent is the parent of this band (or NULL if the band is a root).
17 * children are the children of this band (or NULL if the band is a leaf).
18 *
19 * To avoid circular dependences in the reference counting,
20 * the schedule and parent pointers are not reference counted.
21 * isl_band_copy increments the reference count of schedule to ensure
22 * that outside references to the band keep the schedule alive.
23 */
24 struct isl_band {
25 int ref;
26  
27 int n;
28 int *zero;
29  
30 isl_union_pw_multi_aff *pma;
31 isl_schedule *schedule;
32 isl_band *parent;
33 isl_band_list *children;
34 };
35  
36 __isl_give isl_band *isl_band_alloc(isl_ctx *ctx);
37  
38 __isl_give isl_union_map *isl_band_list_get_suffix_schedule(
39 __isl_keep isl_band_list *list);
40  
41 #endif