[llvm-branch-commits] [clang] [llvm] release/18.x: [AArch64] Backport Ampere1B support (#81297 , #81341, and #81744) (PR #81857)

[David Green via llvm-branch-commits]

davemgreen wrote:

This is a fairly big patch to backport. The ampere1b changes should be safe enough considering as it just adds support for an extra CPU. There is also the change from #78027 added for changing how PAUTH is enabled.

@atrosinenko @DavidSpickett do you think that is OK to backport to LLVM 18?

https://github.com/llvm/llvm-project/pull/81857