[llvm] [AArch64] Combine getActiveLaneMask with vector_extract (PR #81139)

[Paul Walker via llvm-commits]

================
@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --filter-out "kill:" --version 4
----------------
paulwalker-arm wrote:

I don't think this is a wise move as it prevents the use of `-NEXT` markers, meaning we can miss new instructions being emitted. I think kill flags are just a fact of life for these tests.

https://github.com/llvm/llvm-project/pull/81139