gcc/testsuite/gcc.dg/vect/bb-slp-layout-13.c

   1 /* { dg-do compile } */
   2
   3 int a[4], b[4], c[4], d[4];
   4
   5 void f1()
   6 {
   7   a[0] = (b[1] << c[3]) - (d[1] >> c[3]);
   8   a[1] = (b[0] << c[2]) - (d[0] >> c[2]);
   9   a[2] = (b[3] << c[1]) - (d[3] >> c[1]);
  10   a[3] = (b[2] << c[0]) - (d[2] >> c[0]);
  11 }
  12
  13 /* { dg-final { scan-tree-dump-times "add new stmt: \[^\\n\\r\]* = VEC_PERM_EXPR" 3 "slp2" { target { vect_var_shift && vect_perm } } } } */