[LLVMdev] Passes document

[Holger Schurig]

> 1) What other passes need to be run before this one in order
> for this one to work?

You need this info out of curiousity?  Because normally you don't 
need to care, the PassManager does that for you.


If you need this info, you can deduce this from the source code. 
For example, look for calls to getAnalysisUsage().

You find more about this in 
http://llvm.org/docs/WritingAnLLVMPass.html.