We recently looked at the Obfuscator-LLVM project in order to test its different protections. Here are our results, and explanations on how we deal with obfuscation.
more here.......http://blog.quarkslab.com/deobfuscation-recovering-an-ollvm-protected-program.html
more here.......http://blog.quarkslab.com/deobfuscation-recovering-an-ollvm-protected-program.html