[llvm] [Hexagon] Passes for widening vector operations and shuffle opt (PR #169559)

[Ikhlas Ajbar via llvm-commits]

iajbar wrote:

> Thanks @nathanchance for the report.
> 
> @fhossein-quic what if we revert this change, to give us time to investigate the regression? Does that make sense? We can re-apply once we know what the fix is.

We’re fine with reverting the patch.

https://github.com/llvm/llvm-project/pull/169559