[clang] [llvm] [Clang][LLVM][AArch64]Add new feature SSVE-BitPerm (PR #121947)

[via llvm-commits]

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@@ -155,8 +155,8 @@ def HasSVE2SM4       : Predicate<"Subtarget->isSVEAvailable() && Subtarget->hasS
                                  AssemblerPredicateWithAll<(all_of FeatureSVE2SM4), "sve2-sm4">;
 def HasSVE2SHA3      : Predicate<"Subtarget->isSVEAvailable() && Subtarget->hasSVE2SHA3()">,
                                  AssemblerPredicateWithAll<(all_of FeatureSVE2SHA3), "sve2-sha3">;
-def HasSVE2BitPerm   : Predicate<"Subtarget->isSVEAvailable() && Subtarget->hasSVE2BitPerm()">,
-                                 AssemblerPredicateWithAll<(all_of FeatureSVE2BitPerm), "sve2-bitperm">;
+def HasSVEBitPerm   : Predicate<"Subtarget->isSVEAvailable() && Subtarget->hasSVEBitPerm()">,
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CarolineConcatto wrote:

I agree that we should not have Subtarget->isSVEAvailable(), that does not look correct if it only allows to run with sve.

https://github.com/llvm/llvm-project/pull/121947