/* { dg-do run } */ /* { dg-options "-O2 -fdump-tree-strlen" } */ #include "strlenopt.h" char a[] = { 0, 'a', 0, 'b', 'c', 0, 'd', 'e', 'f', 0 }; int __attribute__ ((noinline, noclone)) f1 (void) { a[0] = '1'; a[strlen (a)] = '2'; a[strlen (a)] = '3'; return strlen (a); } int __attribute__ ((noinline, noclone)) f2 (char *a) { a[0] = '1'; a[strlen (a)] = '2'; a[strlen (a)] = '3'; return strlen (a); } int main (void) { char b[] = { 0, 0, 'a', 'b', 0, 0 }; if (f1 () != 9 || f2 (b) != 5) __builtin_abort (); return 0; } /* { dg-final { scan-tree-dump-times "strlen \\(" 6 "strlen1" } } */