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1/*2 * Copyright 2019 Cerebras Systems3 *4 * Use of this software is governed by the MIT license5 *6 * Written by Sven Verdoolaege,7 * Cerebras Systems, 175 S San Antonio Rd, Los Altos, CA, USA8 */9 10#define xFN(TYPE,NAME) TYPE ## _ ## NAME11#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}34