[llvm] [Hexagon] Do not promote unaligned loop access to memmove. (PR #205358)

[via llvm-commits]

anilkund wrote:

Adding folks to review as a comment as I don't have write permissions for this repo and I cannot add reviewers

@quic-santdas @sgundapa @fhossein-quic 

https://github.com/llvm/llvm-project/pull/205358