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

[Rajveer Singh Bharadwaj via llvm-commits]

Rajveer100 wrote:

With the latest changes, the logic works for all element sizes and not limited to just powers of 2. Also updated the costs.

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