Function LLVMAppendBasicBlockInContext 

pub unsafe extern "C" fn LLVMAppendBasicBlockInContext(
    C: LLVMContextRef,
    Fn: LLVMValueRef,
    Name: *const c_char,
) -> LLVMBasicBlockRef

Append a basic block to the end of a function.

@see llvm::BasicBlock::Create()