[LLVMdev] Memory Dependence Analysis

[Nipun Arora]

Hi Tobi,

Thanks for the response, could you point me to the source files of the
memory dependence pass that you mentioned?

Thanks
Nipun

On Mon, Mar 28, 2011 at 2:46 PM, Tobias Grosser
<grosser at fim.uni-passau.de>wrote:

> On 03/28/2011 12:15 PM, Nipun Arora wrote:
> > Hi,
> >
> > I have been trying to run the memdep analysis using opt with the
> > following command: opt -analyze -memdep <*.bc>.
> > However, I keep getting the following error: Pass::print not implemented
> > for pass: 'Memory Dependence Analysis' ! .
> > I get similar errors for a lot of the analyses passes, which seem as if
> > they should have a print out?
> >
> > Is there any other memory dependence analysis which gives me a memory
> > dependence graph or something similar via a static analysis, with must
> > or maybe memory dependencies?
>
> Hi Nipon,
>
> you may try Polly[1]. It inclused a pretty sophisticated memory
> dependency analysis for parts of the program, where the control flow is
> statically known. We currently support must_dependences and can
> eliminate transitive dependences. There is also support for
> may_dependences, but it is not yet hooked up to the rest.
>
> If you are interested, an example how to use Polly (and its dependency
> analysis) is shown at the bottom of this wiki page[1]. If you need
> further help let me know.
>
> Cheers
> Tobi
>
>
> [1] http://wiki.llvm.org/Polly
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