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2015 Jun 29
2
[LLVMdev] Inferring dependencies in phi instructions
...29, 2015 at 10:16 AM, Evgeny Astigeevich
<Evgeny.Astigeevich at arm.com> wrote:
> Hi Anirudh,
>
>
>
> I hope these lecture slides about SSA and the dominance frontier will help
> you with SSA and control flow analysis:
>
>
>
> http://www.seas.harvard.edu/courses/cs252/2011sp/slides/Lec04-SSA.pdf
>
>
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> Unfortunately a use of DominanceFrontierBase is deprecated in LLVM.
>
>
>
>>Thank you for your response. Going by your definition, x is control
>> dependent on y.
>
>> To extract this control dependency, do I need to mai...
2015 Jun 29
2
[LLVMdev] Inferring dependencies in phi instructions
On Jun 29, 2015 3:16 AM, "Evgeny Astigeevich" <evgeny.astigeevich at arm.com>
wrote:
>
> Hi Anirudh,
>
> 'x' has a control dependency on 'y' because the value assigned to 'x'
> depends on a path selected. This dependency can be converted into a data
> dependency by means of a 'select' instruction because the control flow is
>