tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr which is not used any more.

	* tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
	which is not used any more.

From-SVN: r247612

gcc/ChangeLog

+2017-05-04  Bin Cheng  <bin.cheng@arm.com>
+
+	* tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
+	which is not used any more.
+
 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
 
 	* config/aarch64/aarch64.c (generic_tunings): Update prefetch model.

gcc/tree-ssa-loop-ivopts.c

@@ -353,7 +353,6 @@ struct cost_pair
   tree value;		/* For final value elimination, the expression for
 			   the final value of the iv.  For iv elimination,
 			   the new bound to compare with.  */
-  iv_inv_expr_ent *inv_expr; /* Loop invariant expression.  */
 };
 
 /* Use.  */