[LLVMdev] [Pass] How to gather data dependencies

[erkan diken]

Take a look to this page:
https://sites.google.com/site/parallelizationforllvm/


On Wed, Aug 7, 2013 at 10:52 PM, Valmico <valmico88 at gmail.com> wrote:

> Hello,
>
> I'm currently trying to develop new LLVM Pass that will generate simple
> data dependencies graph. For now I'm trying to get familiar with
> DependenceAnalysis.
> My general idea is to traverse each function (runOnFunction) top to bottom
> Instruction by Instruction, using DA.depends( I, I2, ...) on every
> Instructions combination in function to check if they are dependent on any
> others.
>
> Problem is that almost all (if not all) Instructions seems to be dependent
> on others even if they write/read to/from different memory cells.
> Also I'm getting Dependence (confused) object, not the FullDependence,
> should i try to dynamically cast it to FullDependence, or is there a way to
> determine which Dependence instance i got other way?
>
> Please help, I'm not an C++ nor LLVM programmer, but PHP-developer,
> however i need it done asap. If you can help just a little, give me a hint,
> i'll be very, very thankful for ANY support.
>
> Best Regards
> Valmico
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-- 
Best Regards,
Erkan Diken
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