[LLVMdev] poolalloc and steensgaard

[Yogesh Chavan]

Hi Daniel,

Please have a look at the mail forwarded to you. It seems there are some
concerns about patents.

Thanks,
-Yogesh

---------- Forwarded message ----------
From: Philip Reames <listmail at philipreames.com>
Date: Thu, Feb 12, 2015 at 1:36 AM
Subject: Re: [LLVMdev] Importing Andersen and Steensgaard Alias Analysis in
Latest LLVM
To: Yogesh Chavan <cs13m1012 at iith.ac.in>, llvmdev at cs.uiuc.edu
Cc: George Burgess IV <george.burgess.iv at gmail.com>


When questions like this one were raised in the past, there were concerns
about patents.  I think the issues were summarized in that thread, you
might try searching for it.

(As always, not a lawyer, etc...)



On Thu, Feb 12, 2015 at 1:21 AM, Daniel Guo <realdaniel2013 at gmail.com>
wrote:

> Hi Yogesh,
> Thanks for the reply.
> Sounds like i have two choices:
> (1) use llvm2.7 poolalloc (including steensgaard), but it is buggy?
> (2) adjust steensgaard based on lastest poolalloc, but it needs too much
> modification? and also the correctness can not be promised?
>
> Daniel.
>
> On Wed, Feb 11, 2015 at 2:21 PM, Yogesh Chavan <cs13m1012 at iith.ac.in>
> wrote:
>
>> Hi Daniel,
>>
>> To my knowledge, there is no other implementation available for
>> Steensgaard AA except poolalloc.
>> I have tried Steensgaard AA under LLVM 2.7 poolalloc, but there are lots
>> of bugs which need to be fixed. It will be a good idea to use previous
>> implementation, but you will have to modify (a lot) it with respect to the
>> latest version of LLVM poolalloc.
>>
>> Thanks,
>> -Yogesh
>>
>
>
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