re PR middle-end/57276 (Waste work in cgraph_edge_brings_all_agg_vals_for_node())

2013-05-17  Po-Chun Chang  <pchang9@cs.wisc.edu>
	    Martin Jambor  <mjambor@suse.cz>

	PR middle-end/57276
	* ipa-cp.c (cgraph_edge_brings_all_agg_vals_for_node): Break when a
	value that corresponds to the given aggval is found in values vector.


Co-Authored-By: Martin Jambor <mjambor@suse.cz>

From-SVN: r199035

gcc/ChangeLog

+2013-05-17  Po-Chun Chang  <pchang9@cs.wisc.edu>
+	    Martin Jambor  <mjambor@suse.cz>
+
+	PR middle-end/57276
+	* ipa-cp.c (cgraph_edge_brings_all_agg_vals_for_node): Break when a
+	value that corresponds to the given aggval is found in values vector.
+
 2013-05-17  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/driver-i386.c (host_detect_local_cpu): Pass mmx, 3dnow,

gcc/ipa-cp.c

@@ -3213,7 +3213,10 @@ cgraph_edge_brings_all_agg_vals_for_node (struct cgraph_edge *cs,
 	      if (item->value
 		  && item->offset == av->offset
 		  && values_equal_for_ipcp_p (item->value, av->value))
-		found = true;
+		{
+		  found = true;
+		  break;
+		}
 	    if (!found)
 	      {
 		values.release();