Ejemplos de varpool_first_defined_variable en C++ (Cpp)

Ejemplo n.º 1

Archivo: varpool.c Proyecto: palves/gcc

static void
varpool_remove_unreferenced_decls (void)
{
  varpool_node *next, *node;
  varpool_node *first = (varpool_node *)(void *)1;
  int i;
  struct ipa_ref *ref;
  struct pointer_set_t *referenced = pointer_set_create ();

  if (seen_error ())
    return;

  if (cgraph_dump_file)
    fprintf (cgraph_dump_file, "Trivially needed variables:");
  FOR_EACH_DEFINED_VARIABLE (node)
    {
      if (node->analyzed
	  && (!varpool_can_remove_if_no_refs (node)
	      /* We just expanded all function bodies.  See if any of
		 them needed the variable.  */
	      || DECL_RTL_SET_P (node->decl)))
	{
	  enqueue_node (node, &first);
          if (cgraph_dump_file)
	    fprintf (cgraph_dump_file, " %s", node->asm_name ());
	}
    }
  while (first != (varpool_node *)(void *)1)
    {
      node = first;
      first = (varpool_node *)first->aux;

      if (node->same_comdat_group)
	{
	  symtab_node *next;
	  for (next = node->same_comdat_group;
	       next != node;
	       next = next->same_comdat_group)
	    {
	      varpool_node *vnext = dyn_cast <varpool_node *> (next);
	      if (vnext && vnext->analyzed && !symtab_comdat_local_p (next))
		enqueue_node (vnext, &first);
	    }
	}
      for (i = 0; ipa_ref_list_reference_iterate (&node->ref_list, i, ref); i++)
	{
	  varpool_node *vnode = dyn_cast <varpool_node *> (ref->referred);
	  if (vnode
	      && !vnode->in_other_partition
	      && (!DECL_EXTERNAL (ref->referred->decl)
		  || vnode->alias)
	      && vnode->analyzed)
	    enqueue_node (vnode, &first);
	  else
	    pointer_set_insert (referenced, node);
	}
    }
  if (cgraph_dump_file)
    fprintf (cgraph_dump_file, "\nRemoving variables:");
  for (node = varpool_first_defined_variable (); node; node = next)
    {
      next = varpool_next_defined_variable (node);
      if (!node->aux)
	{
          if (cgraph_dump_file)
	    fprintf (cgraph_dump_file, " %s", node->asm_name ());
	  if (pointer_set_contains (referenced, node))
	    varpool_remove_initializer (node);
	  else
	    varpool_remove_node (node);
	}
    }
  pointer_set_destroy (referenced);
  if (cgraph_dump_file)
    fprintf (cgraph_dump_file, "\n");
}

Ejemplo n.º 2

Archivo: varpool.c Proyecto: Lao16/gcc

static void
varpool_remove_unreferenced_decls (void)
{
  struct varpool_node *next, *node;
  struct varpool_node *first = (struct varpool_node *)(void *)1;
  int i;
  struct ipa_ref *ref;

  if (seen_error ())
    return;

  if (cgraph_dump_file)
    fprintf (cgraph_dump_file, "Trivially needed variables:");
  FOR_EACH_DEFINED_VARIABLE (node)
    {
      if (node->analyzed
	  && (!varpool_can_remove_if_no_refs (node)
	      /* We just expanded all function bodies.  See if any of
		 them needed the variable.  */
	      || (!DECL_EXTERNAL (node->symbol.decl)
		  && DECL_RTL_SET_P (node->symbol.decl))))
	{
	  enqueue_node (node, &first);
          if (cgraph_dump_file)
	    fprintf (cgraph_dump_file, " %s", varpool_node_asm_name (node));
	}
    }
  while (first != (struct varpool_node *)(void *)1)
    {
      node = first;
      first = (struct varpool_node *)first->symbol.aux;

      if (node->symbol.same_comdat_group)
	{
	  symtab_node next;
	  for (next = node->symbol.same_comdat_group;
	       next != (symtab_node)node;
	       next = next->symbol.same_comdat_group)
	    {
	      varpool_node *vnext = dyn_cast <varpool_node> (next);
	      if (vnext && vnext->analyzed)
		enqueue_node (vnext, &first);
	    }
	}
      for (i = 0; ipa_ref_list_reference_iterate (&node->symbol.ref_list, i, ref); i++)
	{
	  varpool_node *vnode = dyn_cast <varpool_node> (ref->referred);
	  if (vnode
	      && (!DECL_EXTERNAL (ref->referred->symbol.decl)
		  || vnode->alias)
	      && vnode->analyzed)
	    enqueue_node (vnode, &first);
	}
    }
  if (cgraph_dump_file)
    fprintf (cgraph_dump_file, "\nRemoving variables:");
  for (node = varpool_first_defined_variable (); node; node = next)
    {
      next = varpool_next_defined_variable (node);
      if (!node->symbol.aux)
	{
          if (cgraph_dump_file)
	    fprintf (cgraph_dump_file, " %s", varpool_node_asm_name (node));
	  varpool_remove_node (node);
	}
    }
  if (cgraph_dump_file)
    fprintf (cgraph_dump_file, "\n");
}