/* Interprocedural reference lists.
- Copyright (C) 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2010-2013 Free Software Foundation, Inc.
Contributed by Jan Hubicka
This file is part of GCC.
of the use and STMT the statement (if it exists). */
struct ipa_ref *
-ipa_record_reference (struct cgraph_node *refering_node,
- struct varpool_node *refering_varpool_node,
- struct cgraph_node *refered_node,
- struct varpool_node *refered_varpool_node,
+ipa_record_reference (symtab_node referring_node,
+ symtab_node referred_node,
enum ipa_ref_use use_type, gimple stmt)
{
struct ipa_ref *ref;
struct ipa_ref_list *list, *list2;
- VEC(ipa_ref_t,gc) *old_references;
- gcc_assert ((!refering_node) ^ (!refering_varpool_node));
- gcc_assert ((!refered_node) ^ (!refered_varpool_node));
- gcc_assert (!stmt || refering_node);
- gcc_assert (use_type != IPA_REF_ALIAS || !stmt);
+ ipa_ref_t *old_references;
- list = (refering_node ? &refering_node->ref_list
- : &refering_varpool_node->ref_list);
- old_references = list->references;
- VEC_safe_grow (ipa_ref_t, gc, list->references,
- VEC_length (ipa_ref_t, list->references) + 1);
- ref = VEC_last (ipa_ref_t, list->references);
+ gcc_checking_assert (!stmt || is_a <cgraph_node> (referring_node));
+ gcc_checking_assert (use_type != IPA_REF_ALIAS || !stmt);
- list2 = (refered_node ? &refered_node->ref_list
- : &refered_varpool_node->ref_list);
- VEC_safe_push (ipa_ref_ptr, heap, list2->refering, ref);
- ref->refered_index = VEC_length (ipa_ref_ptr, list2->refering) - 1;
- if (refering_node)
- {
- ref->refering.cgraph_node = refering_node;
- ref->refering_type = IPA_REF_CGRAPH;
- }
- else
- {
- ref->refering.varpool_node = refering_varpool_node;
- ref->refering_type = IPA_REF_VARPOOL;
- gcc_assert (use_type == IPA_REF_ADDR || use_type == IPA_REF_ALIAS);
- }
- if (refered_node)
- {
- ref->refered.cgraph_node = refered_node;
- ref->refered_type = IPA_REF_CGRAPH;
- gcc_assert (use_type == IPA_REF_ADDR || use_type == IPA_REF_ALIAS);
- }
- else
- {
- varpool_mark_needed_node (refered_varpool_node);
- ref->refered.varpool_node = refered_varpool_node;
- ref->refered_type = IPA_REF_VARPOOL;
- }
+ list = &referring_node->symbol.ref_list;
+ old_references = vec_safe_address (list->references);
+ vec_safe_grow (list->references, vec_safe_length (list->references) + 1);
+ ref = &list->references->last ();
+
+ list2 = &referred_node->symbol.ref_list;
+ list2->referring.safe_push (ref);
+ ref->referred_index = list2->referring.length () - 1;
+ ref->referring = referring_node;
+ ref->referred = referred_node;
ref->stmt = stmt;
ref->use = use_type;
/* If vector was moved in memory, update pointers. */
- if (old_references != list->references)
+ if (old_references != list->references->address ())
{
int i;
for (i = 0; ipa_ref_list_reference_iterate (list, i, ref); i++)
- VEC_replace (ipa_ref_ptr,
- ipa_ref_refered_ref_list (ref)->refering,
- ref->refered_index, ref);
+ ipa_ref_referred_ref_list (ref)->referring[ref->referred_index] = ref;
}
return ref;
}
void
ipa_remove_reference (struct ipa_ref *ref)
{
- struct ipa_ref_list *list = ipa_ref_refered_ref_list (ref);
- struct ipa_ref_list *list2 = ipa_ref_refering_ref_list (ref);
- VEC(ipa_ref_t,gc) *old_references = list2->references;
+ struct ipa_ref_list *list = ipa_ref_referred_ref_list (ref);
+ struct ipa_ref_list *list2 = ipa_ref_referring_ref_list (ref);
+ vec<ipa_ref_t, va_gc> *old_references = list2->references;
struct ipa_ref *last;
- gcc_assert (VEC_index (ipa_ref_ptr, list->refering, ref->refered_index) == ref);
- last = VEC_last (ipa_ref_ptr, list->refering);
+ gcc_assert (list->referring[ref->referred_index] == ref);
+ last = list->referring.last ();
if (ref != last)
{
- VEC_replace (ipa_ref_ptr, list->refering,
- ref->refered_index,
- VEC_last (ipa_ref_ptr, list->refering));
- VEC_index (ipa_ref_ptr, list->refering,
- ref->refered_index)->refered_index = ref->refered_index;
+ list->referring[ref->referred_index] = list->referring.last ();
+ list->referring[ref->referred_index]->referred_index
+ = ref->referred_index;
}
- VEC_pop (ipa_ref_ptr, list->refering);
+ list->referring.pop ();
- last = VEC_last (ipa_ref_t, list2->references);
+ last = &list2->references->last ();
if (ref != last)
{
*ref = *last;
- VEC_replace (ipa_ref_ptr,
- ipa_ref_refered_ref_list (ref)->refering,
- ref->refered_index, ref);
+ ipa_ref_referred_ref_list (ref)->referring[ref->referred_index] = ref;
}
- VEC_pop (ipa_ref_t, list2->references);
+ list2->references->pop ();
gcc_assert (list2->references == old_references);
}
void
ipa_remove_all_references (struct ipa_ref_list *list)
{
- while (VEC_length (ipa_ref_t, list->references))
- ipa_remove_reference (VEC_last (ipa_ref_t, list->references));
- VEC_free (ipa_ref_t, gc, list->references);
- list->references = NULL;
+ while (vec_safe_length (list->references))
+ ipa_remove_reference (&list->references->last ());
+ vec_free (list->references);
}
/* Remove all references in ref list LIST. */
void
-ipa_remove_all_refering (struct ipa_ref_list *list)
+ipa_remove_all_referring (struct ipa_ref_list *list)
{
- while (VEC_length (ipa_ref_ptr, list->refering))
- ipa_remove_reference (VEC_last (ipa_ref_ptr, list->refering));
- VEC_free (ipa_ref_ptr, heap, list->refering);
- list->refering = NULL;
+ while (list->referring.length ())
+ ipa_remove_reference (list->referring.last ());
+ list->referring.release ();
}
/* Dump references in LIST to FILE. */
int i;
for (i = 0; ipa_ref_list_reference_iterate (list, i, ref); i++)
{
- if (ref->refered_type == IPA_REF_CGRAPH)
- {
- fprintf (file, " fn:%s/%i (%s)", cgraph_node_name (ipa_ref_node (ref)),
- ipa_ref_node (ref)->uid,
- ipa_ref_use_name [ref->use]);
- }
- else
- fprintf (file, " var:%s (%s)",
- varpool_node_name (ipa_ref_varpool_node (ref)),
- ipa_ref_use_name [ref->use]);
+ fprintf (file, "%s/%i (%s)",
+ symtab_node_asm_name (ref->referred),
+ ref->referred->symbol.order,
+ ipa_ref_use_name [ref->use]);
}
fprintf (file, "\n");
}
-/* Dump refering in LIST to FILE. */
+/* Dump referring in LIST to FILE. */
void
-ipa_dump_refering (FILE * file, struct ipa_ref_list *list)
+ipa_dump_referring (FILE * file, struct ipa_ref_list *list)
{
struct ipa_ref *ref;
int i;
- for (i = 0; ipa_ref_list_refering_iterate (list, i, ref); i++)
+ for (i = 0; ipa_ref_list_referring_iterate (list, i, ref); i++)
{
- if (ref->refering_type == IPA_REF_CGRAPH)
- fprintf (file, " fn:%s/%i (%s)",
- cgraph_node_name (ipa_ref_refering_node (ref)),
- ipa_ref_refering_node (ref)->uid,
- ipa_ref_use_name [ref->use]);
- else
- fprintf (file, " var:%s (%s)",
- varpool_node_name (ipa_ref_refering_varpool_node (ref)),
- ipa_ref_use_name [ref->use]);
+ fprintf (file, "%s/%i (%s)",
+ symtab_node_asm_name (ref->referring),
+ ref->referring->symbol.order,
+ ipa_ref_use_name [ref->use]);
}
fprintf (file, "\n");
}
/* Clone all references from SRC to DEST_NODE or DEST_VARPOOL_NODE. */
void
-ipa_clone_references (struct cgraph_node *dest_node,
- struct varpool_node *dest_varpool_node,
+ipa_clone_references (symtab_node dest_node,
struct ipa_ref_list *src)
{
struct ipa_ref *ref;
int i;
for (i = 0; ipa_ref_list_reference_iterate (src, i, ref); i++)
- ipa_record_reference (dest_node, dest_varpool_node,
- ref->refered_type == IPA_REF_CGRAPH
- ? ipa_ref_node (ref) : NULL,
- ref->refered_type == IPA_REF_VARPOOL
- ? ipa_ref_varpool_node (ref) : NULL,
+ ipa_record_reference (dest_node,
+ ref->referred,
ref->use, ref->stmt);
}
-/* Clone all refering from SRC to DEST_NODE or DEST_VARPOOL_NODE. */
+/* Clone all referring from SRC to DEST_NODE or DEST_VARPOOL_NODE. */
void
-ipa_clone_refering (struct cgraph_node *dest_node,
- struct varpool_node *dest_varpool_node,
+ipa_clone_referring (symtab_node dest_node,
struct ipa_ref_list *src)
{
struct ipa_ref *ref;
int i;
- for (i = 0; ipa_ref_list_refering_iterate (src, i, ref); i++)
- ipa_record_reference (
- ref->refering_type == IPA_REF_CGRAPH
- ? ipa_ref_refering_node (ref) : NULL,
- ref->refering_type == IPA_REF_VARPOOL
- ? ipa_ref_refering_varpool_node (ref) : NULL,
- dest_node, dest_varpool_node,
+ for (i = 0; ipa_ref_list_referring_iterate (src, i, ref); i++)
+ ipa_record_reference (ref->referring,
+ dest_node,
ref->use, ref->stmt);
}
-/* Return true when execution of REF can load to return from
+/* Return true when execution of REF can lead to return from
function. */
bool
ipa_ref_cannot_lead_to_return (struct ipa_ref *ref)
{
- return cgraph_node_cannot_return (ipa_ref_refering_node (ref));
+ return cgraph_node_cannot_return (ipa_ref_referring_node (ref));
}
/* Return true if list contains an alias. */
{
struct ipa_ref *ref;
int i;
- for (i = 0; ipa_ref_list_refering_iterate (ref_list, i, ref); i++)
+ for (i = 0; ipa_ref_list_referring_iterate (ref_list, i, ref); i++)
if (ref->use == IPA_REF_ALIAS)
return true;
return false;
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