1 #ifndef ISL_REORDERING_H 2 #define ISL_REORDERING_H 3 4 #include <isl/space.h> 5 6 /* "pos" has "src_len" entries and maps original dimensions to new dimensions. 7 * The final space is given by "space". 8 * The number of dimensions (i.e., the range of values) in the result 9 * may be larger than the number of dimensions in the input. 10 * In particular, the possible values of the entries in "pos" ranges from 0 to 11 * to "dst_len" - 1, where "dst_len" is equal to the total dimension of "space", 12 * unless isl_reordering_extend has been called. 13 */ 14 struct isl_reordering { 15 int ref; 16 isl_space *space; 17 unsigned src_len; 18 unsigned dst_len; 19 int pos[1]; 20 }; 21 typedef struct isl_reordering isl_reordering; 22 23 isl_ctx *isl_reordering_get_ctx(__isl_keep isl_reordering *r); 24 __isl_keep isl_space *isl_reordering_peek_space(__isl_keep isl_reordering *r); 25 __isl_give isl_space *isl_reordering_get_space(__isl_keep isl_reordering *r); 26 __isl_give isl_reordering *isl_parameter_alignment_reordering( 27 __isl_keep isl_space *alignee, __isl_keep isl_space *aligner); 28 __isl_give isl_reordering *isl_reordering_unbind_params_insert_domain( 29 __isl_keep isl_space *space, __isl_keep isl_multi_id *tuple); 30 __isl_give isl_reordering *isl_reordering_copy(__isl_keep isl_reordering *exp); 31 __isl_null isl_reordering *isl_reordering_free(__isl_take isl_reordering *exp); 32 __isl_give isl_reordering *isl_reordering_extend_space( 33 __isl_take isl_reordering *exp, __isl_take isl_space *space); 34 __isl_give isl_reordering *isl_reordering_extend(__isl_take isl_reordering *exp, 35 unsigned extra); 36 37 #endif 38