isl_copy_tuple_id_templ.c

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/*
 * Copyright 2019      Cerebras Systems
 *
 * Use of this software is governed by the MIT license
 *
 * Written by Sven Verdoolaege,
 * Cerebras Systems, 175 S San Antonio Rd, Los Altos, CA, USA
 */
 
#define xCAT(A,B) A ## B
#define CAT(A,B) xCAT(A,B)
#undef TYPE
#define TYPE CAT(isl_,BASE)
#define xBFN(BASE,NAME) isl_ ## BASE ## _ ## NAME
#define BFN(BASE,NAME) xBFN(BASE,NAME)
 
/* Copy the identifier of tuple "src_type" in "src"
 * to that of "dst_type" in "dst", if there is any such identifier.
 */
__isl_give TYPE *BFN(BASE,copy_tuple_id)(__isl_take TYPE *dst,
  enum isl_dim_type dst_type, __isl_keep isl_space *src,
  enum isl_dim_type src_type)
{
  isl_bool has_id;
  isl_id *id;
 
  has_id = isl_space_has_tuple_id(src, src_type);
  if (has_id < 0)
    return FN(TYPE,free)(dst);
  if (!has_id)
    return dst;
 
  id = isl_space_get_tuple_id(src, src_type);
  dst = FN(TYPE,set_tuple_id)(dst, dst_type, id);
 
  return dst;
}