[flang-commits] [clang] [flang] [flang] add -floop-interchange and enable it with opt levels (PR #140182)

[Sebastian Pop via flang-commits]

sebpop wrote:

Instead of spreading FUD around, please be more precise and open bug reports for the following:
> There are fundamental flaws in DA's implementation, particularly in how it handles wrapping of SCEVs.

Tell me more about it in a separate bug, and let's see how we can work towards fixing it.

> These issues aren't caught by assertions and can silently lead to incorrect transformations.

What are you speaking about?
Again this is FUD.

> I don't know how many miscompiles exist, but it would not be a small number.

Please provide data.

https://github.com/llvm/llvm-project/pull/140182