[llvm] CodeGen: Record MMOs in finalizeBundle (PR #166210)

[Jay Foad via llvm-commits]

jayfoad wrote:

> This was done on an MI210. To reproduce, this should do:
> 
> ```
> cmake -S llvm -B build -C offload/cmake/caches/AMDGPULibcBot.cmake -GNinja
> cd build
> ninja
> ninja check-libc-amdgcn-amd-amdhsa
> ```

Do you have any C++ or LLVM IR reproducer? It would be interesting to see why codegen changed _at all_.

https://github.com/llvm/llvm-project/pull/166210