[LLVMdev] Vectorizing global struct pointers

[Renato Golin]

On 5 February 2013 17:28, Nadav Rotem <nrotem at apple.com> wrote:

> We insert runtime overlap checks only for unidentified objects. The
> problem here is that the vectorizer thinks that A,B,C are all pointers to
> the same array, so it gives up.  If A,B,C were different arrays then it
> could have used runtime checks.
>

Yes, that is exactly the code that creates the run-time checks. ;)

I'll try to inspect the uses for GEPs and store the offsets in a map. If it
works, we can think of a better implementation.

cheers,
--renato
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