[DirectX] Should DXILDataScalarization the Alloca visitor be checking for Vectors and Arrays of Vectors?

[farzonl]

We currently just are checking for Arrays of vectors. That means its possible we aren't transforming alloca of vectors to arrays.

llvm-project/llvm/lib/Target/DirectX/DXILDataScalarization.cpp

Line 127 in 2f817d1

if (!isArrayOfVectors(AI.getAllocatedType()))