Source-to-source transformation/optimization in C.

[Ozan Yigit]

Does anyone know of any attempts to do source-to-source transformation
for the purposes of code simplification/optimization on C ?? I would
prefer references for academic work, source code, etc. Some of the
readership may also feel that there are issues worthy of discussion
under this title, so be it. I am more interested in real work than
speculation, and will summarize any e-mail replies I get (if any).
[Yes, I know the complications due to cpp, comments etc. No need to
tell me that it is hard to do. I do not intend to do it. I am just
interested in what (if anything) is done in the area.]

oz
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