[llvm] [AArch64] Optimization of repeated constant loads (#51483) (PR #86249)

[David Green via llvm-commits]

https://github.com/davemgreen commented:

Thanks - I gave this a test and it did OK. It came up a decent amount, and I couldn't see any problems. Other than changing the UINT_MAX this LGTM.

https://github.com/llvm/llvm-project/pull/86249