[clang] [llvm] [InstCombine] Canonicalize `(sitofp x)` -> `(uitofp x)` if `x >= 0` (PR #82404)

[via llvm-commits]

goldsteinn wrote:

Ill revert this. I'll re-post if I get around to adding a flag.
Any chance you can still create a repro of the bug your seeing for if I re-post?

https://github.com/llvm/llvm-project/pull/82404