1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-optimized" } */
3 int f (int a0
,int a1
,int a2
,int a3
,int a4
)
5 int b0
, b1
, b2
, b3
, b4
,e
;
6 /* this can be optimized to four additions... */
7 b4
= a4
+ a3
+ a2
+ a1
+ a0
;
8 b3
= a3
+ a2
+ a1
+ a0
;
11 /* This is actually 0 */
12 e
= b4
- b3
+ b2
- b1
- a4
- a2
;
16 /* { dg-final { scan-tree-dump-times "return 0" 1 "optimized" } } */
17 /* { dg-final { cleanup-tree-dump "optimized" } } */