[llvm] [aarch64] XOR the frame pointer with the stack cookie when protecting the stack (PR #161114)

[Omair Javaid via llvm-commits]

omjavaid wrote:

> What do you think of changing the implementation of this PR to inline sub (sp - cookie)?

Yes, I think I tend to prefer inlining with  sub (sp - cookie)

https://github.com/llvm/llvm-project/pull/161114