[PATCH] D111780: [AArch64] Emit .cfi_negate_ra_state for PAC-auth instructions.

[Daniel Kiss via Phabricator via llvm-commits]

danielkiss created this revision.
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autiasp, autibsp instructions are the counterpart of paciasp/pacibsp instructions
therefore let's emit .cfi_negate_ra_state for these too.
In case of Armv8.3 instruction set the retaa/retbb will do the return and authentication
in one step here we can't emit the . cfi_negate_ra_state because that would be point after
the ret* instruction.


https://reviews.llvm.org/D111780

Files:
  llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
  llvm/lib/Target/AArch64/AArch64InstrInfo.cpp
  llvm/test/CodeGen/AArch64/sign-return-address.ll

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