Add missing phi args in create_parallel_loop

2016-01-11  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/69069
	* tree-parloops.c (create_parallel_loop): Add missing phi args.

From-SVN: r232221

gcc/ChangeLog

+2016-01-11  Tom de Vries  <tom@codesourcery.com>
+
+	PR tree-optimization/69069
+	* tree-parloops.c (create_parallel_loop): Add missing phi args.
+
 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
 
 	PR rtl-optimization/68920

gcc/tree-parloops.c

@@ -2086,7 +2086,12 @@ create_parallel_loop (struct loop *loop, tree loop_fn, tree data,
 	 value is not modified in the loop, and we're done with this phi.  */
       if (!(gimple_code (def_stmt) == GIMPLE_PHI
 	    && gimple_bb (def_stmt) == loop->header))
+	{
+	  locus = gimple_phi_arg_location_from_edge (phi, exit);
+	  add_phi_arg (phi, def, guard, locus);
+	  add_phi_arg (phi, def, end, locus);
 	  continue;
+	}
 
       gphi *stmt = as_a <gphi *> (def_stmt);
       def = PHI_ARG_DEF_FROM_EDGE (stmt, loop_preheader_edge (loop));