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

[via cfe-commits]

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@@ -5464,6 +5464,15 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo &CallInfo,
           Builder.CreateStore(errorValue, swiftErrorTemp);
         }
 
+        // Mfloat8 type is loaded as scalar type, but is treated as single
+        // vector type for other operations. We need to bitcast it to the vector
+        // type here.
+        if (auto *EltTy =
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Lukacma wrote:

I’m not yet confident in my understanding of the trade-offs between the two approaches, beside that one impacts target-specific code while the other affects target-independent code. As such, I don’t feel well-positioned to contribute meaningfully to this discussion. That said, I’d appreciate it if we could reach alignment here, as I’d like to merge this patch soon.

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