gcc/testsuite/gcc.dg/vect/pr89440.c

   1 /* { dg-additional-options "-ffast-math" } */
   2
   3 #include "tree-vect.h"
   4
   5 float __attribute__((noinline,noclone))
   6 f (float x)
   7 {
   8   int i;
   9   float j;
  10   float a = 0;
  11   for (i = 0; i < 4; ++i)
  12     {
  13       for (j = 0; j < 4; ++j)
  14         {
  15           a += 1;
  16           x += a;
  17         }
  18     }
  19   return x;
  20 }
  21
  22 int
  23 main()
  24 {
  25   check_vect ();
  26   if (f (1.0f) != 137.0f)
  27     abort ();
  28   return 0;
  29 }
  30
  31 /* { dg-final { scan-tree-dump "OUTER LOOP VECTORIZED" "vect" { target vect_float } } } */