[llvm] [SLP][NFC]Extract values state/operands analysis into separate class (PR #138724)

[Alexey Bataev via llvm-commits]

alexey-bataev wrote:

> ⚠️ C/C++ code formatter, clang-format found issues in your code. ⚠️
> 
> You can test this locally with the following command:
> View the diff from clang-format here.

Clang-format is not related to the change itself, but to the original formatting, need to reformat the whole switch statement

https://github.com/llvm/llvm-project/pull/138724