gcc/testsuite/gcc.dg/pr33017.c

   1 /* PR tree-optimization/33017 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O2 -ftree-vectorize" } */
   4
   5 extern __SIZE_TYPE__ strlen (const char *);
   6 extern void abort (void);
   7
   8 char *
   9 __attribute__((noinline))
  10 foo (const char *string)
  11 {
  12   int len;
  13   static char var[0x104];
  14   int off;
  15   len = strlen (string);
  16   for (off = 0; off < 64; off++)
  17     var[len + off + 2] = 0x57;
  18   return var;
  19 }
  20
  21 int
  22 main (void)
  23 {
  24   char *p = foo ("abcd");
  25   int i;
  26   for (i = 0; i < 0x104; i++)
  27     if (p[i] != ((i >= 6 && i < 70) ? 0x57 : 0))
  28       abort ();
  29   return 0;
  30 }