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cgraph.h (cgraph_node): Add prev_clone pointer. 

* cgraph.h (cgraph_node): Add prev_clone pointer.
	* cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
	(cgraph_clone_node): Produce doubly linked chain.

From-SVN: r96761
This commit is contained in:
Jan Hubicka 2005-03-20 16:27:18 +01:00 committed by Jan Hubicka
parent f6d1c3a69b
commit 1655dc9de3
3 changed files with 16 additions and 5 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2005-03-20 Jan Hubicka <jh@suse.cz>
* cgraph.h (cgraph_node): Add prev_clone pointer.
* cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
(cgraph_clone_node): Produce doubly linked chain.
2005-03-20 Joseph S. Myers <joseph@codesourcery.com>
* c-common.c (handle_aligned_attribute, check_function_sentinel,

14
gcc/cgraph.c
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@ -422,7 +422,10 @@ cgraph_remove_node (struct cgraph_node *node)
if (*slot == node)
{
if (node->next_clone)
{
*slot = node->next_clone;
node->next_clone->prev_clone = NULL;
}
else
{
htab_clear_slot (cgraph_hash, slot);
@ -431,11 +434,9 @@ cgraph_remove_node (struct cgraph_node *node)
}
else
{
struct cgraph_node *n;
for (n = *slot; n->next_clone != node; n = n->next_clone)
continue;
n->next_clone = node->next_clone;
node->prev_clone->next_clone = node->next_clone;
if (node->next_clone)
node->next_clone->prev_clone = node->prev_clone;
}
/* While all the clones are removed after being proceeded, the function
@ -779,7 +780,10 @@ cgraph_clone_node (struct cgraph_node *n)
cgraph_clone_edge (e, new, e->call_expr);
new->next_clone = n->next_clone;
new->prev_clone = n;
n->next_clone = new;
if (new->next_clone)
new->next_clone->prev_clone = new;
return new;
}

1
gcc/cgraph.h
View File

@ -98,6 +98,7 @@ struct cgraph_node GTY((chain_next ("%h.next"), chain_prev ("%h.previous")))
struct cgraph_node *next_needed;
/* Pointer to the next clone. */
struct cgraph_node *next_clone;
struct cgraph_node *prev_clone;
PTR GTY ((skip)) aux;
struct cgraph_local_info local;