[llvm] [VPlan] Introduce VPlanConstantFolder (PR #125365)

[Ramkumar Ramachandra via llvm-commits]

artagnon wrote:

> It looks like some checks related to pointers may be missing, I am seeing a crash with the following IR

Thanks, this was actually a bug in GEP type inference. I've now added your test.

https://github.com/llvm/llvm-project/pull/125365