[llvm] [AArch64] Use firstp for SVE2.2 cttz.elts (PR #221182)

[Vimal Patel via llvm-commits]

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@@ -306,6 +306,8 @@ def HasSVE2p2_or_SME2p2
     : Predicate<"Subtarget->isSVEorStreamingSVEAvailable() && (Subtarget->hasSVE2p2() || Subtarget->hasSME2p2())">,
                 AssemblerPredicateWithAll<(any_of FeatureSME2p2, FeatureSVE2p2),
                 "sme2p2 or sve2p2">;
+def HasNoSVE2p2_or_SME2p2
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pvimal816a wrote:

Seems like we don't need it. I didn't know this. Thanks!

https://github.com/llvm/llvm-project/pull/221182