| /* { dg-do run } */ |
| /* { dg-options "-O2 -fdump-tree-strlen" } */ |
| |
| char s[100] = {'a','b','c','d'}; |
| typedef struct { char s[8]; int x; } S; |
| |
| __attribute__ ((noinline)) int |
| f1 (S *s) |
| { |
| /* Member arrays not handled due to the fix for PR 92765. */ |
| return 0; // __builtin_strcmp (s->s, "abc") != 0; |
| } |
| |
| __attribute__ ((noinline)) int |
| f2 (void) |
| { |
| return __builtin_strcmp (s, "abc") != 0; |
| } |
| |
| __attribute__ ((noinline)) int |
| f3 (S *s) |
| { |
| return 0; // __builtin_strcmp ("abc", s->s) != 0; |
| } |
| |
| __attribute__ ((noinline)) int |
| f4 (void) |
| { |
| return __builtin_strcmp ("abc", s) != 0; |
| } |
| |
| __attribute__ ((noinline)) int |
| f5 (S *s) |
| { |
| return 0; // __builtin_strncmp (s->s, "abc", 3) != 0; |
| } |
| |
| __attribute__ ((noinline)) int |
| f6 (void) |
| { |
| return __builtin_strncmp (s, "abc", 2) != 0; |
| } |
| |
| __attribute__ ((noinline)) int |
| f7 (S *s) |
| { |
| return 0; // __builtin_strncmp ("abc", s->s, 3) != 0; |
| } |
| |
| __attribute__ ((noinline)) int |
| f8 (void) |
| { |
| return __builtin_strncmp ("abc", s, 2) != 0; |
| } |
| |
| int main (void) |
| { |
| S ss = {{'a','b','c'}, 2}; |
| |
| if (f1 (&ss) != 0 || f2 () != 1 || f3 (&ss) != 0 || |
| f4 () != 1 || f5 (&ss) != 0 || f6 () != 0 || |
| f7 (&ss) != 0 || f8 () != 0) |
| __builtin_abort (); |
| |
| return 0; |
| } |
| |
| /* { dg-final { scan-tree-dump-times "cmp_eq \\(" 4 "strlen1" } } */ |