gcc/testsuite/gcc.dg/vect/pr68855.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 /* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */
   5
   6 /* PAREN_EXPR should not cause the vectorization of complex float add to be missed. */
   7 void foo(_Complex float *a, int n)
   8 {
   9   for(int i = 0; i < n; i++)
  10   {
  11     _Complex float t;
  12     t = a[i];
  13     t += 6.0;
  14     t = __builtin_assoc_barrier(t);
  15     a[i] = t;
  16   }
  17 }