[llvm] [VPlan] Preserve DT (and SCEV) in VPlan-native path (PR #93287)

[Florian Hahn via llvm-commits]

fhahn wrote:

> Have you ever considered to build a VPSCEV to decouple from the underlying IR and analysis's? And memory access analysis.

Yep, that's on my TODO list thanks! I already have a motivating use case in mind.

https://github.com/llvm/llvm-project/pull/93287