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

[Brian Cain via llvm-commits]

androm3da 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.

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