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...s are the original basic blocks. http://www.informatics.sussex.ac.uk/users/js231/img/sa-example-controltree.pdf Does this make it any clearer? I'm happy to explain it in more detail. Best, James -- View this message in context: http://old.nabble.com/Seeking-advice-on-Structural-Analysis-pass-tp27890316p27920484.html Sent from the LLVM - Dev mailing list archive at Nabble.com.

On Mar 13, 2010, at 11:54 AM, James Stanier wrote: > It > analyses the CFG and recognises specific region schema, such as if- > then, > if-then-else, while-loop, etc., and builds a "control tree" which > represents > the hierarchical structure of the input program. I am not sure if my definition of a control flow tree is the same as yours, but if it is, I am very