[LLVMdev] Regarding PRE in LLVM

[Dheeraj Kumar Arora]

hi,
        While surfing on net I found that LLVM is using sparse version of
E-path_PRE approach in file PRE.cpp but I could not get what actually code
is doing and I could not find the name of the developer in the file.
        Just want to know to because I could not able to find any
paper on sparse version of this algorithm.

        Thanks in Advance

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Dheeraj Kumar
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