OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

tree-ssa-structalias.c (need_to_solve): Need to check for preds, too. 

2005-07-16  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (need_to_solve): Need to check for preds,
	too.

From-SVN: r102100
This commit is contained in:
Daniel Berlin 2005-07-16 22:27:21 +00:00 committed by Daniel Berlin
parent ea900239f4
commit b6e0bdbdc8
2 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2005-07-16 Daniel Berlin <dberlin@dberlin.org>
* tree-ssa-structalias.c (need_to_solve): Need to check for preds,
too.
2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
* doc/install.texi (*-*-solaris2*): Document recommended version

6
gcc/tree-ssa-structalias.c
View File

@ -3494,7 +3494,8 @@ init_base_vars (void)
/* Return true if we actually need to solve the constraint graph in order to
get our points-to sets. This is false when, for example, no addresses are
taken other than special vars, or all points-to sets with members already
contain the anything variable. */
contain the anything variable and there are no predecessors for other
sets. */
static bool
need_to_solve (void)
@ -3516,6 +3517,9 @@ need_to_solve (void)
&& !bitmap_empty_p (v->solution)
&& !bitmap_bit_p (v->solution, anything_id))
found_non_anything = true;
else if (bitmap_empty_p (v->solution)
&& VEC_length (constraint_edge_t, graph->preds[v->id]) != 0)
found_non_anything = true;
if (found_address_taken && found_non_anything)
return true;