[clang] [Clang][AArch64] Add fp8 variants for untyped NEON intrinsics (PR #128019)

[Paul Walker via cfe-commits]

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@@ -4179,9 +4183,21 @@ Value *CodeGenFunction::EmitSVEMaskedLoad(const CallExpr *E,
                                           unsigned IntrinsicID,
                                           bool IsZExtReturn) {
   QualType LangPTy = E->getArg(1)->getType();
-  llvm::Type *MemEltTy = CGM.getTypes().ConvertTypeForMem(
+  llvm::Type *MemEltTy = CGM.getTypes().ConvertType(
       LangPTy->castAs<PointerType>()->getPointeeType());
 
+  // Mfloat8 types is stored as a vector, so extra work
+  // to extract sclar element type is necessary.
+  if (MemEltTy->isVectorTy()) {
+    #ifndef NDEBUG
+        auto *VecTy = cast<llvm::VectorType>(MemEltTy);
+        ElementCount EC = VecTy->getElementCount();
+        assert(EC.isScalar() && VecTy->getElementType() == Int8Ty &&
+              "Only <1 x i8> expected");
+    #endif
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paulwalker-arm wrote:

I think `assert(MemEltTy == FixedVectorType::get(Int8Ty, 1) && ....` should work here?

https://github.com/llvm/llvm-project/pull/128019