Good quote, but that "virtually" is interesting. What parts are still using gcc? And is the interpretation that everything using the LLVM backend and not the GNU one?
The A6 quote doesn't mean much. All compilers work hard on device-specific optimizations; you can find similar press releases from Intel every few months.
The components of iOS that are written in C, C++ and Objective-C are all compiled with Clang. The few components that are written in other languages are not.
The A6 quote doesn't mean much. All compilers work hard on device-specific optimizations; you can find similar press releases from Intel every few months.