gcc/testsuite/gcc.dg/vect/pr60196-1.c

   1 /* PR tree-optimization/63189 */
   2 /* { dg-additional-options "-fwrapv" } */
   3
   4 #include "tree-vect.h"
   5
   6 __attribute__((noinline, noclone)) static int
   7 bar (const short *a, int len)
   8 {
   9   int x;
  10   int x1 = 0;
  11
  12   for (x = 0; x < len; x++)
  13     x1 += x * a[x];
  14   return x1;
  15 }
  16
  17 __attribute__((noinline, noclone)) void
  18 foo (void)
  19 {
  20   short stuff[9] = {1, 1, 1, 1, 1, 1, 1, 1, 1 };
  21   if (bar (stuff, 9) != 36)
  22     abort ();
  23 }
  24
  25 int
  26 main ()
  27 {
  28   check_vect ();
  29   foo ();
  30   return 0;
  31 }
  32