[flang-commits] [flang] [flang][fir] Add FIR structured control flow ops to SCF dialect pass. (PR #140374)

[Tom Eccles via flang-commits]

tblah wrote:

> > Please could you add a test showing a loop containing multiple blocks? This feels like a likely source of bugs now or in the future.
> 
> It seems that `fir.do_loop` only allows a single block. Are you referring to cases where some operations within that block contain nested blocks (such as `fir.if`)? This will be gradually implemented in the future.

Ahh my mistake. I thought it might be possible to have a do_loop containing multiple blocks.

https://github.com/llvm/llvm-project/pull/140374