C++ (Cpp) graphite_find_data_references_in_stmt示例

示例#1

文件： graphite-scop-detection.c 项目： Automatic/firmware-gcc

static bool
stmt_has_simple_data_refs_p (loop_p outermost_loop ATTRIBUTE_UNUSED,
			     gimple stmt)
{
  data_reference_p dr;
  unsigned i;
  int j;
  bool res = true;
  vec<data_reference_p> drs = vNULL;
  loop_p outer;

  for (outer = loop_containing_stmt (stmt); outer; outer = loop_outer (outer))
    {
      graphite_find_data_references_in_stmt (outer,
					     loop_containing_stmt (stmt),
					     stmt, &drs);

      FOR_EACH_VEC_ELT (drs, j, dr)
	for (i = 0; i < DR_NUM_DIMENSIONS (dr); i++)
	  if (!graphite_can_represent_scev (DR_ACCESS_FN (dr, i)))
	    {
	      res = false;
	      goto done;
	    }

      free_data_refs (drs);
      drs.create (0);
    }

 done:
  free_data_refs (drs);
  return res;
}

示例#2

文件： graphite-scop-detection.c 项目： hemantjain95/gcc

static bool
stmt_has_simple_data_refs_p (loop_p outermost_loop ATTRIBUTE_UNUSED,
			     gimple *stmt)
{
  data_reference_p dr;
  int j;
  bool res = true;
  vec<data_reference_p> drs = vNULL;
  loop_p outer;

  for (outer = loop_containing_stmt (stmt); outer; outer = loop_outer (outer))
    {
      graphite_find_data_references_in_stmt (outer,
					     loop_containing_stmt (stmt),
					     stmt, &drs);

      FOR_EACH_VEC_ELT (drs, j, dr)
	{
	  int nb_subscripts = DR_NUM_DIMENSIONS (dr);
	  tree ref = DR_REF (dr);

	  for (int i = nb_subscripts - 1; i >= 0; i--)
	    {
	      if (!graphite_can_represent_scev (DR_ACCESS_FN (dr, i))
		  || (TREE_CODE (ref) != ARRAY_REF
		      && TREE_CODE (ref) != MEM_REF
		      && TREE_CODE (ref) != COMPONENT_REF))
		{
		  free_data_refs (drs);
		  return false;
		}

	      ref = TREE_OPERAND (ref, 0);
	    }
	}

      free_data_refs (drs);
      drs.create (0);
    }