[clang] [llvm] [LLVMABI] Add support for SVE types in the LLVM ABI library (PR #221375)

[Andy Kaylor via cfe-commits]

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@@ -318,7 +359,36 @@ const llvm::abi::Type *QualTypeMapper::convertVectorType(const VectorType *VT) {
   llvm::ElementCount NumElements = llvm::ElementCount::getFixed(NElems);
   llvm::Align VectorAlign = getTypeAlign(VectorQualType);
 
-  return Builder.getVectorType(ElementType, NumElements, VectorAlign);
+  return Builder.getVectorType(ElementType, NumElements, VectorAlign,
+                               getABIVectorKind(VT->getVectorKind()));
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andykaylor wrote:

I've added comments here and at the `SVEPredicate` definition, and added a test for the fixed-length predicate element type.

https://github.com/llvm/llvm-project/pull/221375