[LLVMdev] IPA based pass

Tehila Mayzels tehila at cs.technion.ac.il
Sat Jan 25 15:27:05 PST 2014



I'm trying to write a pass that deals with the whole program, and should be
based on the CallGraph information.

I understand that the way of doing that is inherit from CallGraphSCCPass. Is
that correct?

In addition, I would like to know:

1.       I read that this pass works bottom-up. Is there a pass that works

2.       How do I get the Module and the Context in runOnSCC function? I
need them in order to insert new function calls into existing functions?
What's the meaning of Module and Context exactly?


Thanks a lot in advance,


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