code examples for learning LLVM backend programming

Question

I am learning programming LLVM backends.

Currently I am interested in analysis passes, later program transformations. (I assume as I will be more fluent with analys

Answer 1

As someone that did what you want to do 3 years ago: LLVM codebase has the best examples. Maybe a good place to start is dominator analysis, as it is well described in compiler books.

Check how it is done in LLVM: http://llvm.org/doxygen/Dominators_8h_source.html

Other place to look might be instruction scheduling.