[llvm-branch-commits] [llvm] [AArch64][PAC] Support BLRA* instructions in SLS Hardening pass (PR #97605)

[Kristof Beyls via llvm-branch-commits]

================
@@ -221,13 +339,19 @@ void SLSHardeningInserter::populateThunk(MachineFunction &MF) {
   //  __llvm_slsblr_thunk_xN:
   //      BR xN
   //      barrierInsts
----------------
kbeyls wrote:

Maybe something like
```
  //  __llvm_slsblr_thunk_{aa|ab|aaz|abz|}_xN_{xM}:
  //      BR Xn | BRA{A|B} Xn, Xm | BRA{A|B}Z xN
  //      barrierInsts
```
?

https://github.com/llvm/llvm-project/pull/97605