1 //===-- llvm/Argument.h - Definition of the Argument class ------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the Argument class, which represents an incoming formal
11 // argument to a Function.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_ARGUMENT_H
16 #define LLVM_ARGUMENT_H
18 #include "llvm/Value.h"
20 class Argument : public Value { // Defined in the Function.cpp file
23 Argument *Prev, *Next; // Next and Prev links for our intrusive linked list
24 void setNext(Argument *N) { Next = N; }
25 void setPrev(Argument *N) { Prev = N; }
26 friend class SymbolTableListTraits<Argument, Function, Function,
27 ilist_traits<Argument> >;
28 void setParent(Function *parent);
31 /// Argument ctor - If Function argument is specified, this argument is
32 /// inserted at the end of the argument list for the function.
34 Argument(const Type *Ty, const std::string &Name = "", Function *F = 0);
36 /// setName - Specialize setName to handle symbol table majik...
37 virtual void setName(const std::string &name, SymbolTable *ST = 0);
39 inline const Function *getParent() const { return Parent; }
40 inline Function *getParent() { return Parent; }
42 // getNext/Prev - Return the next or previous argument in the list.
43 Argument *getNext() { return Next; }
44 const Argument *getNext() const { return Next; }
45 Argument *getPrev() { return Prev; }
46 const Argument *getPrev() const { return Prev; }
48 virtual void print(std::ostream &OS) const;
50 /// classof - Methods for support type inquiry through isa, cast, and
53 static inline bool classof(const Argument *) { return true; }
54 static inline bool classof(const Value *V) {
55 return V->getValueType() == ArgumentVal;