Function LLVMGetNumArgOperands 

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

Obtain the argument count for a call instruction.

This expects an LLVMValueRef that corresponds to a llvm::CallInst, llvm::InvokeInst, or llvm:FuncletPadInst.

@see llvm::CallInst::getNumArgOperands() @see llvm::InvokeInst::getNumArgOperands() @see llvm::FuncletPadInst::getNumArgOperands()