[llvm] [LVI] Handle nonnull attributes at callsite (PR #125377)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

Compile-time impact: https://llvm-compile-time-tracker.com/compare.php?from=5c3c0a8cec9205efba78583bd0b8a646270968a1&to=498ac15f6e7fd9a79649c4aecb0ab10fcf4eb00b&stat=instructions%3Au

https://github.com/llvm/llvm-project/pull/125377