llvm-project/polly/lib/External/ppcg/schedule.h

57 lines
1.5 KiB
C

#ifndef _SCHEDULE_H
#define _SCHEDULE_H
#include <isl/id.h>
#include <isl/set_type.h>
#include <isl/map_type.h>
#include <isl/union_map_type.h>
#include <pet.h>
/* An access to an outer array element or an iterator.
* Accesses to iterators have an access relation that maps to an unnamed space.
* An access may be both read and write.
* If the access relation is empty, then the output dimension may
* not be equal to the dimension of the corresponding array.
*/
struct gpu_stmt_access {
/* Access reads elements */
int read;
/* Access writes elements */
int write;
/* All writes are definite writes. */
int exact_write;
/* The number of index expressions specified in the access. */
int n_index;
/* May access relation */
isl_map *access;
/* May access relation with as domain a mapping from iteration domain
* to a reference identifier.
*/
isl_map *tagged_access;
/* The reference id of the corresponding pet_expr. */
isl_id *ref_id;
struct gpu_stmt_access *next;
};
struct gpu_stmt {
isl_id *id;
struct pet_stmt *stmt;
/* Linked list of accesses. */
struct gpu_stmt_access *accesses;
};
__isl_give isl_map *project_out(__isl_take isl_space *dim,
int len, int first, int n);
__isl_give isl_map *projection(__isl_take isl_space *dim,
int src_len, int dst_len);
__isl_give isl_set *parametrization(__isl_take isl_space *space,
int len, int first, __isl_keep isl_id_list *names);
__isl_give isl_set *extend(__isl_take isl_set *set, int dst_len);
__isl_give isl_union_map *align_range(__isl_take isl_union_map *umap);
#endif