[PATCH] D49791: [AArch64] - Generate pointer authentication instructions

[Luke Cheeseman via Phabricator via llvm-commits]

LukeCheeseman added a comment.

In https://reviews.llvm.org/D49791#1175839, @eugenis wrote:

> What happens if a function with signed LR tail calls a function with unsigned LR, or vice versa?


I've added a test for what I think is meant here, see spill_lr_and_tail call.

The LR is authenticated before the tail call happens.


https://reviews.llvm.org/D49791