gcc/testsuite/gcc.dg/vect/bb-slp-53.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_double } */
   3
   4 double a[2], b[2];
   5
   6 void foo(double x, double y)
   7 {
   8   double breakme1 = y + 3.;
   9   double a1 = b[1] + 2.;
  10   double breakme0 = x;
  11   double a0 = b[0] + 1.;
  12   a[0] = a0 * breakme0;
  13   a[1] = a1 * breakme1;
  14 }
  15
  16 /* We should vectorize the SLP opportunity starting from the
  17    grouped store to a[] including the load from b[] at the
  18    leaf even though the multiplication requires another
  19    vector invariant to be built.  */
  20 /* { dg-final { scan-tree-dump "transform load" "slp2" } } */