[LLVMdev] Dependence Analysis on Machine code

Andrew Trick atrick at apple.com
Mon Mar 18 13:08:46 PDT 2013


On Mar 15, 2013, at 3:18 AM, rahul <rahul3527 at gmail.com> wrote:

> 
> Hi,
> 
> I am trying to do dependence analysis (loop dependences) on machine code.
> But, scalar evolution doesn't work as expected (like at IR level - opt pass).
> I am not getting enough clue as to how to proceed..
> 
> One naive way of getting the dependence information can be
> - Do dependence analysis at IR level and attach the information as meta data.
>   And then use this information at machine code level.
> Can someone suggest better approach ??

It sounds like you have a good clue how to proceed. I can't think of a better way.
-Andy




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