[LLVMdev] Tracing Value Dependency Chains

Manish Gupta manishg at cs.ucsd.edu
Thu Aug 4 11:53:13 PDT 2011


It would be great help if someone can point me to similar code in Analysis
or Transform, i.e. tracing value dependencies chains.

Thanks,
Manish

On Wed, Aug 3, 2011 at 10:47 AM, Manish Gupta <manishg at cs.ucsd.edu> wrote:

> Hello All,
>
> What would be the best way to trace Value Dependency Chains in LLVM. Can I
> use some API to perform this?
>
> The use-def chain process mentioned at
> http://llvm.org/docs/ProgrammersManual.html#iterate_chains will just get
> the values (Operands) being used in the current Instruction. For getting the
> values operands in the particular instruction are influenced from I have
> to recursively call the use-def on these operands. I was wondering if there
> is already available better way of doing this in LLVM.
>
> Thanks,
> Manish
>
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