[llvm] [ArgPromotion] Handle pointer arguments of recursive calls (PR #78735)

[Vedant Paranjape via llvm-commits]

vedantparanjape-amd wrote:

@arsenm implemented a check on function call args to see if they are being dereferenced somewhere above the call. If they are not we can bail out, and not promote the argument. This will remove the need for IsSelfRecursive flag, and provide a better way to detect recursive arg promotions.

https://github.com/llvm/llvm-project/pull/78735