1  /* { dg-do run } */
       2  /* { dg-options "-O2 -fdump-rtl-expand" } */
       3  
       4  typedef struct { char s[8]; int x; } S;
       5  __attribute__ ((noinline)) int
       6  f1 (S * s)
       7  {
       8    int result = 0;
       9    result += __builtin_strncmp (s->s, "ab", 2);
      10    result += __builtin_strncmp (s->s, "abc", 3);
      11    return result;
      12  }
      13  
      14  __attribute__ ((noinline)) int
      15  f2 (char *p)
      16  {
      17    int result = 0;
      18    result += __builtin_strncmp (p, "ab", 2);
      19    result += __builtin_strncmp (p, "abc", 3);
      20    return result;
      21  }
      22  
      23  __attribute__ ((noinline)) int
      24  f3 (S * s)
      25  {
      26    int result = 0;
      27    result += __builtin_strcmp (s->s, "a");
      28    result += __builtin_strcmp (s->s, "ab");
      29    return result;
      30  }
      31  
      32  __attribute__ ((noinline)) int
      33  f4 (char *p)
      34  {
      35    int result = 0;
      36    result += __builtin_strcmp (p, "a");
      37    result += __builtin_strcmp (p, "ab");
      38    return result;
      39  }
      40  
      41  __attribute__ ((noinline)) int
      42  f5 (S * s)
      43  {
      44    int result = 0;
      45    result += __builtin_memcmp (s->s, "ab", 2);
      46    result += __builtin_memcmp (s->s, "abc", 3);
      47    return result;
      48  }
      49  
      50  __attribute__ ((noinline)) int
      51  f6 (char *p)
      52  {
      53    int result = 0;
      54    result += __builtin_memcmp (p, "ab", 2);
      55    result += __builtin_memcmp (p, "abc", 3);
      56    return result;
      57  }
      58  
      59  int main (void)
      60  {
      61    S ss = {{'a','b','c'}, 2};
      62    char *s = "abcd";
      63  
      64    if (f1 (&ss) != 0 || f2 (s) != 0)
      65      __builtin_abort ();
      66  
      67    if (f3 (&ss) <= 0 || f4 (s) <= 0)
      68      __builtin_abort ();
      69  
      70    if (f5 (&ss) != 0 || f6 (s) != 0)
      71      __builtin_abort ();
      72  
      73    return 0;
      74  
      75  }
      76  
      77  
      78  /* { dg-final { scan-rtl-dump-times "__builtin_strcmp" 0 "expand" } } */
      79  /* { dg-final { scan-rtl-dump-times "__builtin_strncmp" 0 "expand" } } */
      80  /* { dg-final { scan-rtl-dump-times "__builtin_memcmp" 0 "expand" } } */