| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-dse-details" } */ |
| |
| struct z { |
| int a; |
| int b; |
| int c; |
| }; |
| |
| int |
| foo(int cond, struct z *s) |
| { |
| |
| if (cond) |
| { |
| s->a = 1; |
| s->b = 2; |
| s->c = 3; |
| } |
| __builtin_memset (s, 0, sizeof (struct z)); |
| } |
| |
| /* { dg-final { scan-tree-dump-times "Deleted dead store" 3 "dse1"} } */ |
| /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse2"} } */ |
| /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse3"} } */ |
| /* { dg-final { scan-tree-dump-not "Deleted dead store" "dse5"} } */ |
| |
