gcc/testsuite/gcc.dg/vect/bb-slp-pr68892.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-fvect-cost-model=dynamic" } */
   3 /* { dg-require-effective-target vect_double } */
   4
   5 double a[128][128];
   6 double b[128];
   7
   8 void foo(void)
   9 {
  10   b[0] = a[0][0];
  11   b[1] = a[1][0];
  12   b[2] = a[2][0];
  13   b[3] = a[3][0];
  14 }
  15
  16 /* ???  The profitability check is not reached because we give up on the
  17    gaps we access earlier.  */
  18 /* { dg-final { scan-tree-dump "not profitable" "slp2" { xfail *-*-* } } } */
  19 /* { dg-final { scan-tree-dump-times "Basic block will be vectorized" 0 "slp2" } } */