[llvm] [ArgPromotion] Promote allocas in calling functions (PR #110248)

[Nikita Popov via llvm-commits]

https://github.com/nikic commented:

Here again the question: Why does ArgPromotion have to do this? Why is this not left to SROA when the calling function is visited?

https://github.com/llvm/llvm-project/pull/110248