[llvm] [AArch64][FEAT_CMPBR] Codegen for Armv9.6-a compare-and-branch (PR #116465)

[David Tellenbach via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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dtellenbach wrote:

It makes sense to have these tests together, done. Thanks!

https://github.com/llvm/llvm-project/pull/116465