[llvm] [llvm][AArch64] Autoupgrade function attributes from Module attributes. (PR #82763)

[Arthur Eubanks via llvm-commits]

aeubanks wrote:

we seem to be seeing large performance regressions from this patch on aarch64, any idea what could be going on? we'll also look into why this patch might be regressing performance

https://github.com/llvm/llvm-project/pull/82763