[LLVMdev] LLVMdev Digest, Vol 80, Issue 13

[David A. Greene]

Andrew Clinton <andrew at sidefx.com> writes:

> Agreed, I too was wondering why we need both arrays and vectors.  It 
> goes against the grain, I think, of the structure typing system used by 
> LLVM.  For example, a vector of 4 floats and an array of 4 floats are 
> structurally the same type.  Would it be feasible in the future to 
> consolidate the two types by allowing "vector" operations (add, 
> multiply, etc.) on arrays where it makes sense, and doing away with the 
> specialized vector types?

Actually, I do not believe an array of 4 floats and a vector of 4 floats
are the same.  There are various bit packing and alignment semantics
that differ.

                            -Dave