[llvm] [VectorCombine] New folding pattern for extract/binop/shuffle chains (PR #145232)

[Rajveer Singh Bharadwaj via llvm-commits]

Rajveer100 wrote:

@RKSimon 
Let me know if this looking fair enough, I can then proceed with other remaining ops like add/mul/and/or/xor.

https://github.com/llvm/llvm-project/pull/145232