| /* { dg-do run } */ |
| /* { dg-options "-O2 -fdump-tree-strlen" } */ |
| |
| #include "strlenopt.h" |
| |
| volatile int v; |
| |
| size_t __attribute__ ((noinline, noclone)) |
| f1 (char b) |
| { |
| char a[30]; |
| v += 1; |
| strcpy (a, "foo.bar"); |
| a[3] = b; |
| a[4] = 0; |
| return strlen (a); |
| } |
| |
| size_t __attribute__ ((noinline, noclone)) |
| f2 (char *a, char b) |
| { |
| v += 2; |
| strcpy (a, "foo.bar"); |
| a[3] = b; |
| a[4] = 0; |
| return strlen (a); |
| } |
| |
| int |
| main () |
| { |
| char a[30]; |
| if (f1 ('_') != 4 || f1 (0) != 3 || f2 (a, '_') != 4 || f2 (a, 0) != 3) |
| abort (); |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "strlen \\(" 2 "strlen" } } */ |