gcc/testsuite/gcc.dg/vect/pr60092-2.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 int posix_memalign(void **memptr, __SIZE_TYPE__ alignment, __SIZE_TYPE__ size);
   5 void bar (int *);
   6
   7 int *foo (int n)
   8 {
   9   int *p;
  10   int *q;
  11   void *tem;
  12   if (posix_memalign (&tem, 256, n * sizeof (int)) != 0)
  13     return (void *)0;
  14   p = (int *)tem;
  15   if (posix_memalign (&tem, 256, n * sizeof (int)) != 0)
  16     return (void *)0;
  17   q = (int *)tem;
  18   bar (q);
  19   int i;
  20   for (i = 0; i < n; ++i)
  21     p[i] = q[i] + q[i];
  22   return p;
  23 }
  24
  25 /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */
  26 /* { dg-final { scan-tree-dump-not "Peeling for alignment will be applied" "vect" } } */
  27 /* { dg-final { scan-tree-dump-not "Vectorizing an unaligned access" "vect" } } */