1  /* PR middle-end/47917 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fdump-tree-optimized" } */
       4  
       5  extern int snprintf (char *, __SIZE_TYPE__, const char *, ...);
       6  extern int memcmp (const void *, const void *, __SIZE_TYPE__);
       7  extern void abort (void);
       8  
       9  char buf1[6], buf2[6], buf3[4], buf4[4];
      10  int i;
      11  
      12  int
      13  foo (void)
      14  {
      15    int ret = snprintf (buf1, sizeof buf1, "abcde");
      16    ret += snprintf (buf2, sizeof buf2, "abcdef") * 16;
      17    ret += snprintf (buf3, sizeof buf3, "%s", i++ < 6 ? "abc" : "def") * 256;
      18    ret += snprintf (buf4, sizeof buf4, "%s", i++ > 10 ? "abcde" : "defgh") * 4096;
      19    return ret;
      20  }
      21  
      22  int
      23  main (void)
      24  {
      25    if (foo () != 5 + 6 * 16 + 3 * 256 + 5 * 4096)
      26      abort ();
      27    if (memcmp (buf1, "abcde", 6) != 0
      28        || memcmp (buf2, "abcde", 6) != 0
      29        || memcmp (buf3, "abc", 4) != 0
      30        || memcmp (buf4, "def", 4) != 0
      31        || i != 2)
      32      abort ();
      33    return 0;
      34  }
      35  
      36  /* { dg-final { scan-tree-dump-times "snprintf" 2 "optimized" } } */
      37  /* { dg-final { scan-tree-dump-times "sprintf" 0 "optimized" } } */