gcc/testsuite/gcc.dg/tree-ssa/builtins-folding-generic.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O1 -fdump-tree-original" } */
   3
   4 char *buffer1;
   5 char *buffer2;
   6
   7 #define SIZE 1000
   8
   9 int
  10 main (void)
  11 {
  12   const char* const foo1 = "hello world";
  13
  14   buffer1 = __builtin_malloc (SIZE);
  15   __builtin_strcpy (buffer1, foo1);
  16   buffer2 = __builtin_malloc (SIZE);
  17   __builtin_strcpy (buffer2, foo1);
  18
  19   /* MEMCHR.  */
  20   if (__builtin_memchr ("hello world", 'x', 11))
  21     __builtin_abort ();
  22   if (__builtin_memchr ("hello world", 'x', 0) != 0)
  23     __builtin_abort ();
  24   if (__builtin_memchr ("hello world", 'w', 2))
  25     __builtin_abort ();
  26   if (__builtin_memchr ("hello world", 'd', 10))
  27     __builtin_abort ();
  28   if (__builtin_memchr ("hello world", '\0', 11))
  29     __builtin_abort ();
  30
  31   /* STRCMP.  */
  32   if (__builtin_strcmp ("hello", "aaaaa") <= 0)
  33     __builtin_abort ();
  34   if (__builtin_strcmp ("aaaaa", "aaaaa") != 0)
  35     __builtin_abort ();
  36   if (__builtin_strcmp ("aaaaa", "") <= 0)
  37     __builtin_abort ();
  38   if (__builtin_strcmp ("", "aaaaa") >= 0)
  39     __builtin_abort ();
  40   if (__builtin_strcmp ("ab", "ba") >= 0)
  41     __builtin_abort ();
  42
  43   /* STRNCMP.  */
  44   if (__builtin_strncmp ("hello", "aaaaa", 0) != 0)
  45     __builtin_abort ();
  46   if (__builtin_strncmp ("aaaaa", "aaaaa", 100) != 0)
  47     __builtin_abort ();
  48   if (__builtin_strncmp ("aaaaa", "", 100) <= 0)
  49     __builtin_abort ();
  50   if (__builtin_strncmp ("", "aaaaa", 100) >= 0)
  51     __builtin_abort ();
  52   if (__builtin_strncmp ("ab", "ba", 1) >= 0)
  53     __builtin_abort ();
  54   if (__builtin_strncmp ("aab", "aac", 2) != 0)
  55     __builtin_abort ();
  56
  57   /* STRCASECMP.  */
  58   if (__builtin_strcasecmp ("aaaaa", "aaaaa") != 0)
  59     __builtin_abort ();
  60
  61   /* STRNCASECMP.  */
  62   if (__builtin_strncasecmp ("hello", "aaaaa", 0) != 0)
  63     __builtin_abort ();
  64   if (__builtin_strncasecmp ("aaaaa", "aaaaa", 100) != 0)
  65     __builtin_abort ();
  66   if (__builtin_strncasecmp ("aab", "aac", 2) != 0)
  67     __builtin_abort ();
  68
  69   /* MEMCMP.  */
  70   if (__builtin_memcmp ("aaaaa", "aaaaa", 6) != 0)
  71     __builtin_abort ();
  72
  73   return 0;
  74 }
  75
  76 /* { dg-final { scan-tree-dump-not "__builtin_strcmp" "original" } } */
  77 /* { dg-final { scan-tree-dump-not "__builtin_strcasecmp" "original" } } */
  78 /* { dg-final { scan-tree-dump-not "__builtin_strncmp" "original" } } */
  79 /* { dg-final { scan-tree-dump-not "__builtin_strncasecmp" "original" } } */
  80 /* { dg-final { scan-tree-dump-not "__builtin_memchr" "original" } } */
  81 /* { dg-final { scan-tree-dump-not "__builtin_memcmp" "original" } } */