[flang-commits] [flang] [flang][cuda] Implicitly attribute ALLOCATABLE/POINTER components as managed (PR #223087)

[Valentin Clement バレンタイン クレメン via flang-commits]

clementval wrote:

> For this example under -gpu=managed:
> 
> ```fortran
> module m
>   type :: t
>     real, allocatable :: a(:)
>   end type
> end module
> 
> subroutine s()
>   use m
>   type(t) :: obj        ! no CUDA attribute on obj itself
>   allocate(obj%a(4))
> end subroutine
> ```
> 
> is only obj%a managed, or is obj itself managed too? If obj is also managed, is that the intention? The reference compiler keeps obj as a normal host variable and only puts obj%a in managed memory.

The obj will be managed because the descriptor of a is in obj and needs to be managed. 

https://github.com/llvm/llvm-project/pull/223087