[LLVMdev] DSA or rDSA ?

[Manish Gupta]

Thanks John!

I think if I would have an option to use DSA with AA interface, I would
have definitely used it. DSA looks like good/precise alias analysis. I
believe somewhere in the future someone will work on integrating precise
alias analysis with already very powerful tool. That someone may be me if
required for our project :) !

Manish

On Thu, Oct 13, 2011 at 8:59 AM, John Criswell <criswell at illinois.edu>wrote:

>  On 10/1/11 11:01 PM, Manish Gupta wrote:
>
> Dear All,
>
>  I am trying to use DataStructure Alias Analysis. From the code at
> poolalloc it seems that rDSA needs to be compiled to get -ds-aa feature
> while the Makefile builds just the DSA.
>
>
> I seem to recall replying to this, but my email client says I didn't, so
> I'm responding again.
> :)
>
> The rDSA code is some experimental code that we abandoned.  We removed the
> -ds-aa pass in mainline poolalloc because we weren't maintaining it and, to
> the best of our knowledge, no one was using it.
>
> Someone sent a patch (I think to the mailing list, but potentially just to
> me) that resurrected the -ds-aa pass for DSA with LLVM 2.9 (note that we
> don't support LLVM 2.9; I think this person just got it to work on his own
> since LLVM 2.9 and LLVM 3.0 were pretty similar at the time).  I didn't
> integrate it as I didn't have time to review it, and it contains other stuff
> besides the -ds-aa change.
>
> Just out of curiosity, are people interested in using DSA via the
> AliasAnalysis interface?
>
> -- John T.
>
>
>  Please correct me if I am doing something wrong.
>
>  Thanks,
> Manish
>
>
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>
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