[llvm] [LAA] Make Ptr argument optional in isNoWrap. (PR #127410)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon commented:

Looks reasonable, although I'm quite unhappy with the existing code: some of the comments can be addressed in follow-ups/pre-commits.

https://github.com/llvm/llvm-project/pull/127410