[PATCH] D158473: [AArch64] Check opcode before trying to extract register from operand

[Jon Roelofs via Phabricator via llvm-commits]

jroelofs accepted this revision.
jroelofs added a comment.
This revision is now accepted and ready to land.

Suggest using `llvm/utils/update_llc_test_checks.py` to write the `CHECK`s, so they're easier to update later.

Otherwise LGTM.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D158473/new/

https://reviews.llvm.org/D158473