[LLVMdev] How to use dropAllReferences in dropAllReferences

xiaoyaollvm xiaoyaollvm at 126.com
Fri Mar 8 01:48:53 PST 2013

Hi all.
I want to know how the dropAllReferences() is used  in the FunctionPass MoudlePass and so on. 
If I want to delete the node about function in Module, I can use it ,am i right?
Thanks for your help.
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