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+//===-- llvm/Argument.h - Definition of the Argument class ------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the Argument class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ARGUMENT_H
+#define LLVM_ARGUMENT_H
+
+#include "llvm/ADT/Twine.h"
+#include "llvm/ADT/ilist_node.h"
+#include "llvm/IR/Attributes.h"
+#include "llvm/IR/Value.h"
+
+namespace llvm {
+
+template<typename ValueSubClass, typename ItemParentClass>
+ class SymbolTableListTraits;
+
+/// A class to represent an incoming formal argument to a Function. An argument
+/// is a very simple Value. It is essentially a named (optional) type. When used
+/// in the body of a function, it represents the value of the actual argument
+/// the function was called with.
+/// @brief LLVM Argument representation
+class Argument : public Value, public ilist_node<Argument> {
+ virtual void anchor();
+ Function *Parent;
+
+ friend class SymbolTableListTraits<Argument, Function>;
+ void setParent(Function *parent);
+
+public:
+ /// Argument ctor - If Function argument is specified, this argument is
+ /// inserted at the end of the argument list for the function.
+ ///
+ explicit Argument(Type *Ty, const Twine &Name = "", Function *F = 0);
+
+ inline const Function *getParent() const { return Parent; }
+ inline Function *getParent() { return Parent; }
+
+ /// getArgNo - Return the index of this formal argument in its containing
+ /// function. For example in "void foo(int a, float b)" a is 0 and b is 1.
+ unsigned getArgNo() const;
+
+ /// hasByValAttr - Return true if this argument has the byval attribute on it
+ /// in its containing function.
+ bool hasByValAttr() const;
+
+ /// getParamAlignment - If this is a byval argument, return its alignment.
+ unsigned getParamAlignment() const;
+
+ /// hasNestAttr - Return true if this argument has the nest attribute on
+ /// it in its containing function.
+ bool hasNestAttr() const;
+
+ /// hasNoAliasAttr - Return true if this argument has the noalias attribute on
+ /// it in its containing function.
+ bool hasNoAliasAttr() const;
+
+ /// hasNoCaptureAttr - Return true if this argument has the nocapture
+ /// attribute on it in its containing function.
+ bool hasNoCaptureAttr() const;
+
+ /// hasStructRetAttr - Return true if this argument has the sret attribute on
+ /// it in its containing function.
+ bool hasStructRetAttr() const;
+
+ /// addAttr - Add a Attribute to an argument
+ void addAttr(Attribute);
+
+ /// removeAttr - Remove a Attribute from an argument
+ void removeAttr(Attribute);
+
+ /// classof - Methods for support type inquiry through isa, cast, and
+ /// dyn_cast:
+ ///
+ static inline bool classof(const Value *V) {
+ return V->getValueID() == ArgumentVal;
+ }
+};
+
+} // End llvm namespace
+
+#endif