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

[Vedant Paranjape via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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vedantparanjape-amd wrote:

> You can probably put all the testcases in one file.
It will be difficult to manage the clutter, I will move them a folder instead.



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