[llvm] [SVE] Don't require lookup when demangling vector function mappings (PR #72260)

[Maciej Gabka via llvm-commits]

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@@ -180,7 +180,7 @@ static constexpr char const *_LLVM_Scalarize_ = "_LLVM_Scalarize_";
 /// Vectorization Factor of scalable vector functions from their
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mgabka wrote:

please update the documentation for this function

https://github.com/llvm/llvm-project/pull/72260