llvm dev - Nov 2016 - Polly | Dependence detection details

Hi everyone,

I'll be very thankful if anyone can help me. I want to extract the
dependences details by using polly.

I followed the following steps on example code matmul.c:

1.  clang -S -emit-llvm matmul.c -o matmul.s

2. opt -S -polly-canonicalize matmul.s > matmul.preopt.ll

3.  opt -basicaa -polly-dependences -analyze matmul.preopt.ll

But it doesn't show me the dependences. I have tried -debug also but still
dependces are not shown.

I'll be grateful if you can help me.

Regards,

Qamar
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On Thu, 2016-11-10 at 23:52 +0100, qamar ilyas wrote:
> Hi everyone,
> 
> I'll be very thankful if anyone can help me. I want to extract the
> dependences details by using polly.
> 
> I followed the following steps on example code matmul.c:
> 
> 1.  clang -S -emit-llvm matmul.c -o matmul.s
> 
> 2. opt -S -polly-canonicalize matmul.s > matmul.preopt.ll
> 
> 3.  opt -basicaa -polly-dependences -analyze matmul.preopt.ll
> 
> But it doesn't show me the dependences. I have tried -debug also but
> still
> dependces are not shown.
> 
> I'll be grateful if you can help me.
I already replied on the Polly mailing list to a similar post. Let's
continue the discussion on that thread to not have two places to
follow.

Best,
Tobias

I am sorry, i didn't notice your reply on Polly mailing list earlier. I
have posted my query on that thread. Sorry for the inconvenience.

On Fri, Nov 11, 2016 at 12:20 AM, Tobias Grosser <tobias at grosser.es>
wrote:
> On Thu, 2016-11-10 at 23:52 +0100, qamar ilyas wrote:
> > Hi everyone,
> >
> > I'll be very thankful if anyone can help me. I want to extract the
> > dependences details by using polly.
> >
> > I followed the following steps on example code matmul.c:
> >
> > 1.  clang -S -emit-llvm matmul.c -o matmul.s
> >
> > 2. opt -S -polly-canonicalize matmul.s > matmul.preopt.ll
> >
> > 3.  opt -basicaa -polly-dependences -analyze matmul.preopt.ll
> >
> > But it doesn't show me the dependences. I have tried -debug also
but
> > still
> > dependces are not shown.
> >
> > I'll be grateful if you can help me.
>
> I already replied on the Polly mailing list to a similar post. Let's
> continue the discussion on that thread to not have two places to
> follow.
>
> Best,
> Tobias
>
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