[llvm] [CodeGen] Avoid sinking vector comparisons during CodeGenPrepare (PR #113158)

[David Sherwood via llvm-commits]

david-arm wrote:

I've followed the suggestion by @paulwalker-arm and I will abandon this patch in favour of https://github.com/llvm/llvm-project/pull/116031

https://github.com/llvm/llvm-project/pull/113158