[llvm] [MachineCopyPropagation] Recognise and delete no-op moves produced after forwarded uses (PR #129889)

[Martin Storsjö via llvm-commits]

mstorsjo wrote:

> I've started a longer full build chain which will try to build a larger number of test projects with the produced Windows/arm64 compiler, I'll know by tomorrow if that fixed things fully or not.

The full test sequence passed flawlessly, so it seems like this is fully fixed with this patch (now merged), thanks!



https://github.com/llvm/llvm-project/pull/129889