[llvm] [ValueTracking] Allow tracking values through Integral AddrSpaceCasts (PR #70483)

[Jeffrey Byrnes via llvm-commits]

jrbyrnes wrote:

> This also needs a LangRef patch to make the transform legal.

Hi -- thanks for your comments. Do you mean a patch to update the addrspacecast documentation (esp w.r.t integral pointers)?

https://github.com/llvm/llvm-project/pull/70483