tree-vect-loop.c (vect_analyze_loop_operations): Properly check for a definition…

tree-vect-loop.c (vect_analyze_loop_operations): Properly check for a definition without a basic-block.

2013-09-05  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.c (vect_analyze_loop_operations): Properly
	check for a definition without a basic-block.

From-SVN: r202273

gcc/ChangeLog

+2013-09-05  Richard Biener  <rguenther@suse.de>
+
+	* tree-vect-loop.c (vect_analyze_loop_operations): Properly
+	check for a definition without a basic-block.
+
 2013-09-05  James Greenhalgh  <james.greenhalgh@arm.com>
 	    Sofiane Naci <sofiane.naci@arm.com>
 

gcc/tree-vect-loop.c

@@ -1384,7 +1384,7 @@ vect_analyze_loop_operations (loop_vec_info loop_vinfo, bool slp)
                     return false;
 
                   op_def_stmt = SSA_NAME_DEF_STMT (phi_op);
-		  if (!op_def_stmt
+		  if (gimple_nop_p (op_def_stmt)
 		      || !flow_bb_inside_loop_p (loop, gimple_bb (op_def_stmt))
 		      || !vinfo_for_stmt (op_def_stmt))
                     return false;