Function LLVMGetNumOperandBundles 

pub unsafe extern "C" fn LLVMGetNumOperandBundles(
    C: LLVMValueRef,
) -> c_uint

Obtain the number of operand bundles attached to this instruction.

This only works on llvm::CallInst and llvm::InvokeInst instructions.

@see llvm::CallBase::getNumOperandBundles()