[PATCH] [X86] Skip concat_vectors when lowering vector broadcast
Nadav Rotem
nrotem at apple.com
Wed Dec 11 13:23:52 PST 2013
>
> Yes, that was my alternative (handle it in DAGCombiner::visitCONCAT_
> VECTORS). My fear was that the general combine could get quite
> complex and as I'm new to LLVM I'd get stuck. Would it be acceptable
> to add a simple combine that just handled the case above in the first
> instance?
Sure, lets start by handling the simple case first. :)
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