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

[Dave Green via Phabricator via llvm-commits]

dmgreen added a comment.

It may be simpler for the test to be an mir test if it testing the MachineCombiner. It should be less susceptible to bitrot if any of the proceeding optimizations before it change.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D158473/new/

https://reviews.llvm.org/D158473