[llvm] [LV] Introduce the EVLIVSimplify Pass for EVL-vectorized loops (PR #91796)

[Min-Yih Hsu via llvm-commits]

mshockwave wrote:

> as this is a backend pass, wouldn't it be better suited in `llvm/lib/Codegen` like other IR codegen passes?

I agree, it's moved under CodeGen now.

https://github.com/llvm/llvm-project/pull/91796