[llvm] [HEXAGON] AddrModeOpt support for HVX and optimize adds (PR #106368)

[Nathan Chancellor via llvm-commits]

nathanchance wrote:

> LGTM but is it possible @nathanchance to confirm it addresses the compile-time issue?

I’ll double check and get back to you by the end of the day.

https://github.com/llvm/llvm-project/pull/106368