Obtain the calling function of a function.
Obtain the number of basic blocks in a function.
Obtain the basic block that corresponds to the entry point of a function.
Check whether the given function has a personality function.
Obtain the ID number from a function instance.
Obtain the personality function attached to the function.
Remove a function from its containing module and deletes it.
Functions in this group operate on LLVMValueRef instances that correspond to llvm::Function instances.