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(Apologies for the re-send Siddharth, I failed to cc the list) There is no existing tool that I'm aware of which performs this analysis on the AST. It is possible to do on an AST. You would just need to write an AST Visitor that finds declarations, definitions, and uses of functions. Is there a reason you need to do this at the AST level? With C code this analysis can be trivially performed

Hi, Can anyone help if for example we have multiple c files and we want to analyze their ASTs to find out any dependency between them ( like a function defined in one c file is used in other, any external variable etc ). How can we do it at the AST level? I mean is there any automated tool or flag for it in LLVM. If anyone has any idea please tell. sincerely, Siddharth -------------- next part

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