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

tree-ssa-structalias.c (find_func_aliases): Handle BUILT_IN_RETURN. 

2010-05-31  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (find_func_aliases): Handle
	BUILT_IN_RETURN.

From-SVN: r160067
This commit is contained in:
Richard Guenther 2010-05-31 11:01:32 +00:00 committed by Richard Biener
parent 178b70cce7
commit a4c9bc1594
2 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2010-05-31 Richard Guenther <rguenther@suse.de>
* tree-ssa-structalias.c (find_func_aliases): Handle
BUILT_IN_RETURN.
2010-05-30 Jan Hubicka <jh@suse.cz>
* predict.c (maybe_hot_edge_p): Calls to functions called once is cold.

20
gcc/tree-ssa-structalias.c
View File

@ -4241,6 +4241,26 @@ find_func_aliases (gimple origt)
/* va_end doesn't have any effect that matters. */
case BUILT_IN_VA_END:
return;
/* Alternate return. Simply give up for now. */
case BUILT_IN_RETURN:
{
fi = NULL;
if (!in_ipa_mode
|| !(fi = get_vi_for_tree (cfun->decl)))
make_constraint_from (get_varinfo (escaped_id), anything_id);
else if (in_ipa_mode
&& fi != NULL)
{
struct constraint_expr lhs, rhs;
lhs = get_function_part_constraint (fi, fi_result);
rhs.var = anything_id;
rhs.offset = 0;
rhs.type = SCALAR;
get_constraint_for (gimple_return_retval (t), &rhsc);
process_constraint (new_constraint (lhs, rhs));
}
return;
}
/* printf-style functions may have hooks to set pointers to
point to somewhere into the generated string. Leave them
for a later excercise... */