method [llvm::User::getOperand]. *)
external operand : llvalue -> int -> llvalue = "llvm_operand"
+(** [set_operand v i o] sets the operand of the value [v] at the index [i] to
+ the value [o].
+ See the method [llvm::User::setOperand]. *)
+external set_operand : llvalue -> int -> llvalue -> unit = "llvm_set_operand"
+
+(** [num_operands v] returns the number of operands for the value [v].
+ See the method [llvm::User::getNumOperands]. *)
+external num_operands : llvalue -> int = "llvm_num_operands"
(** {7 Operations on constants of (mostly) any type} *)