1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-dse-details" } */
3
4 struct z {
5 int a;
6 int b;
7 int c;
8 };
9
10 int
foo(int cond,struct z * s)11 foo(int cond, struct z *s)
12 {
13
14 if (cond)
15 {
16 s->a = 1;
17 s->b = 2;
18 s->c = 3;
19 }
20 __builtin_memset (s, 0, sizeof (struct z));
21 }
22
23 /* { dg-final { scan-tree-dump-times "Deleted dead store" 3 "dse1"} } */
24 /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse2"} } */
25 /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse4"} } */
26
27