isl_copy_tuple_id_templ.c

   1 /*
   2  * Copyright 2019      Cerebras Systems
   3  *
   4  * Use of this software is governed by the MIT license
   5  *
   6  * Written by Sven Verdoolaege,
   7  * Cerebras Systems, 175 S San Antonio Rd, Los Altos, CA, USA
   8  */
   9
  10 #define xFN(TYPE,NAME) TYPE ## _ ## NAME
  11 #define FN(TYPE,NAME) xFN(TYPE,NAME)
  12
  13 /* Copy the identifier of tuple "src_type" in "src"
  14  * to that of "dst_type" in "dst", if there is any such identifier.
  15  */
  16 __isl_give TYPE *FN(TYPE,copy_tuple_id)(__isl_take TYPE *dst,
  17         enum isl_dim_type dst_type, __isl_keep isl_space *src,
  18         enum isl_dim_type src_type)
  19 {
  20         isl_bool has_id;
  21         isl_id *id;
  22
  23         has_id = isl_space_has_tuple_id(src, src_type);
  24         if (has_id < 0)
  25                 return FN(TYPE,free)(dst);
  26         if (!has_id)
  27                 return dst;
  28
  29         id = isl_space_get_tuple_id(src, src_type);
  30         dst = FN(TYPE,set_tuple_id)(dst, dst_type, id);
  31
  32         return dst;
  33 }