need more information about the two classes of CallInst and CastInst

Hello, everyone.
I want to know more about the classes of CallInst and CastInst, but i can just find some information of them in the InstrTypes.h file. Can you offer me more materials about the two important classes? If there are some cases, that is better.
Thank you!

2017/6/4
Jay

CallInst and CastInst are both LLVM IR, besides [1][2], you might also check LangRef [3] and Clang [4] (the FE creates LLVM IR).

[1] http://llvm.org/docs/doxygen/html/classllvm_1_1CallInst.html
[2] http://llvm.org/docs/doxygen/html/classllvm_1_1CastInst.html
[3] http://llvm.org/docs/LangRef.html
[4] https://clang.llvm.org/

HTH,
chenwj

Thank you very much!

2017/6/4
Jay