! { dg-options "-O3 -fdump-tree-lversion-details -fno-frontend-loop-interchange" } ! Make sure that in a "badly nested" loop, we don't treat the inner loop ! as iterating over the inner dimension with a variable stride. subroutine f1(x, n) integer :: n real :: x(100, 100) do i = 1, n do j = 1, n x(i, j) = 100 end do end do end subroutine f1 subroutine f2(x, n, step) integer :: n, step real :: x(100, 100) do i = 1, n do j = 1, n x(i, j * step) = 100 end do end do end subroutine f2 subroutine f3(x, n) integer :: n real :: x(n, n) do i = 1, n do j = 1, n x(i, j) = 100 end do end do end subroutine f3 subroutine f4(x, n, step) integer :: n, step real :: x(n, n * step) do i = 1, n do j = 1, n x(i, j * step) = 100 end do end do end subroutine f4 subroutine f5(x, n, limit, step) integer :: n, limit, step real :: x(n, limit) do i = 1, n do j = 1, limit, step x(i, j) = 100 end do end do end subroutine f5 ! { dg-final { scan-tree-dump-not {want to version} "lversion" } } ! { dg-final { scan-tree-dump-not {versioned} "lversion" } }