| /* { dg-do compile } */ | |
| /* { dg-options "-O -fdump-tree-dse1-details" } */ | |
| void f(int n, char *p0, char *p1, char *p2, char *o) | |
| { | |
| int t0, t1; | |
| __builtin_memcpy(&t0, p0, 1); | |
| __builtin_memcpy(&t1, p1, 1); | |
| if (n==3) | |
| __builtin_memcpy(o+2, p2, 1); | |
| __builtin_memcpy(o+0, &t0, 1); | |
| __builtin_memcpy(o+1, &t1, 1); | |
| } | |
| /* { dg-final { scan-tree-dump-times "Deleted dead store" 2 "dse1" } } */ |