Finding code which is executed (so its not unreachable) but whose results are not used. Its a kind of optimization to speed up program execution by not doing un

Finding code which is executed (so its not unreachable) but whose results are not used. Its a kind of optimization to speed up program execution by not doing unnecessary work. http://en.wikipedia.org/wiki/Dead_code http://en.wikipedia.org/wiki/Dead_code vs http://en.wikipedia.org/wiki/Unreachable_code http://en.wikipedia.org/wiki/Unreachable_code