llvm-project

1ae95751 - [AMDGPU][NFC] Update a comment about FLAT v/s LDSDMA

[AMDGPU][NFC] Update a comment about FLAT v/s LDSDMA The change in #170263 does not do justice to common knowledge in the backend. Fix the comment to reflect the relation between FLAT encoding, flat pointer access, and LDSDMA operations.