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Re: Preserving alias analysis information


Hello,

> >you might try turning the references to TARGET_MEM_REFs, and copy the
> >alias information using copy_ref_info to it.  I am not sure how that
> >would interact with the transformations you want to do, but we do lot
> >of magic to keep the virtual operands for TARGET_MEM_REFs the same
> >as before the transformation (unless that got broken in last few months,
> >which unfortunately is pretty likely).
> 
> It would be better to annotate things with better alias information
> than transform into target specific trees, which none of the other
> transformations actually know how to deal with.

well, I had impression that what he does is some target-specific
transformation, so this idea did not seem all that out of place to me.

Zdenek


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