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subroutine matrix_multiply(a,b,c,n)

real(8), dimension(n,n) :: a,b,c

! The following code is disabled for the moment.
! c=0.d0

do i = 1,n
  do j = 1,n
    do k = 1,n
      c(j,i) = c(j,i) + a(k,i) * b(j,k)
    enddo
 enddo
enddo

end subroutine matrix_multiply

! { dg-final { scan-tree-dump-times "number of SCoPs: 1" 1 "graphite" { xfail *-*-* } } }
! { dg-final { scan-tree-dump-times "will be loop blocked" 1 "graphite" { xfail *-*-* } } }
! { dg-final { cleanup-tree-dump "graphite" } }