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tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.

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2009-06-26  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (do_ds_constraint): Simplify escape
	handling.

From-SVN: r148968
This commit is contained in:
Richard Guenther 2009-06-26 12:25:32 +00:00 • committed by Richard Biener
parent f94bdf2b18
commit 46aaa41703
2 changed files with 7 additions and 14 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2009-06-26 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (do_ds_constraint): Simplify escape
handling.
2009-06-26 Steven Bosscher <steven@gcc.gnu.org>
PR middle-end/40525

16
gcc/tree-ssa-structalias.c
View file

@ -1643,8 +1643,8 @@ do_ds_constraint (constraint_t c, bitmap delta)
unsigned int t;
HOST_WIDE_INT fieldoffset = v->offset + loff;
/* If v is a NONLOCAL then this is an escape point. */
if (j == nonlocal_id)
/* If v is a global variable then this is an escape point. */
if (v->is_global_var)
{
t = find (escaped_id);
if (add_graph_edge (graph, t, rhs)
@ -1680,18 +1680,6 @@ do_ds_constraint (constraint_t c, bitmap delta)
changed_count++;
}
}
/* If v is a global variable then this is an escape point. */
if (v->is_global_var)
{
t = find (escaped_id);
if (add_graph_edge (graph, t, rhs)
&& bitmap_ior_into (get_varinfo (t)->solution, sol)
&& !TEST_BIT (changed, t))
{
SET_BIT (changed, t);
changed_count++;
}
}
/* If the variable is not exactly at the requested offset
we have to include the next one. */