[LLVMdev] loop carried dependence analysis?

[erkan diken]

Thanks Benjamin, yes it is ok now.

On Wed, Nov 14, 2012 at 10:27 AM, Benjamin Kramer <benny.kra at gmail.com>wrote:

> On 13.11.2012, at 10:46, erkan diken <erkandiken at gmail.com> wrote:
>
> Hi all,
>
> Unfortunately, all my Hunks are failed when I apply : patch -p1 < da.patch
> command.
>
> The problem might be due to the fact that da.patch file was created
> against revision 167549, but I am on revision 167719 (I believe the most
> recent one).
> I am not sure if this cause the problem ? But Preston may I ask you to
> generate the patch file against revison 167719  ?
>
> Thanks in advance.
>
>
> The patch to print all dependences is in trunk, you don't need the patch
> for it anymore.
>
> Related thread:
> http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20121112/155651.html
>
> - Ben
>
>
>
> On Tue, Nov 13, 2012 at 9:41 AM, Arnaldo <arnaldo.cruz at upr.edu> wrote:
>
>> Preston, thanks for the explanation and patch.  Now it's printing the
>> direction and distance values.
>>
>>
>> On Tue, Nov 13, 2012 at 12:22 PM, Preston Briggs <
>> preston.briggs at gmail.com> wrote:
>>
>>> Erkan, you're right. Sorry about that.
>>> Attached is the most recent version.
>>>
>>> Preston
>>>
>>>
>>>
>>> Hi Preston,
>>>> I am trying to use DA as well. I used your example and commands that
>>>> you wrote in order to get DA information.
>>>> However, it does not report any dependence info.
>>>> I am wondering whether your local copy differs from the one on the
>>>> repository ?
>>>> Thanks.
>>>> Erkan.
>>>
>>>
>>>
>>> ---------- Forwarded message ----------
>>> From: Preston Briggs <preston.briggs at gmail.com>
>>> Date: Wed, Nov 7, 2012 at 12:51 PM
>>> Subject: DependenceAnalysis patch
>>> To: "llvm-commits at cs.uiuc.edu" <llvm-commits at cs.uiuc.edu>, Chandler
>>> Carruth <chandlerc at google.com>, Hal Finkel <hfinkel at anl.gov>, Benjamin
>>> Kramer <benny.kra at gmail.com>
>>>
>>>
>>> Here's a patch that covers the problems reported by Chandler last week.
>>> It checks the base pointer of each GEP to be sure they are loop
>>> invariant. The patch also updates the -analyze functionality so that all
>>> pairs of memory references are tested. Finally, all the test cases have
>>> been updated.
>>>
>>> I haven't yet updated DA to analyze pairs of pointer dereferences. I
>>> wanted to get the initial correction in place first. I also expect that
>>> analyzer pointer derefs will benefit from delinearization and am hoping it
>>> gets incorporated soon.
>>>
>>> If someone could review this change and check it in, if appropriate, I'd
>>> be obliged.
>>>
>>> Thanks,
>>> Preston
>>>
>>>
>>>
>>
>
>
> --
> Best Regards,
> Erkan Diken
> ------------------
>
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>


-- 
Best Regards,
Erkan Diken
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