//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#ifndef LLVM_ARGUMENT_H
#define LLVM_ARGUMENT_H
+#include "llvm/ADT/Twine.h"
+#include "llvm/ADT/ilist_node.h"
+#include "llvm/Attributes.h"
#include "llvm/Value.h"
namespace llvm {
-template<typename SC> struct ilist_traits;
-template<typename ValueSubClass, typename ItemParentClass, typename SymTabClass,
- typename SubClass> class SymbolTableListTraits;
+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 { // Defined in the Function.cpp file
+class Argument : public Value, public ilist_node<Argument> {
+ virtual void anchor();
Function *Parent;
- Argument *Prev, *Next; // Next and Prev links for our intrusive linked list
- void setNext(Argument *N) { Next = N; }
- void setPrev(Argument *N) { Prev = N; }
- friend class SymbolTableListTraits<Argument, Function, Function,
- ilist_traits<Argument> >;
+ 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(const Type *Ty,
- const std::string &Name = "",
- Function *F = 0);
+ explicit Argument(Type *Ty, const Twine &Name = "", Function *F = 0);
inline const Function *getParent() const { return Parent; }
inline Function *getParent() { return Parent; }
- // getNext/Prev - Return the next or previous argument in the list.
- Argument *getNext() { return Next; }
- const Argument *getNext() const { return Next; }
- Argument *getPrev() { return Prev; }
- const Argument *getPrev() const { return Prev; }
+ /// 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;
- virtual void print(std::ostream &OS) const;
- void print(std::ostream *OS) const {
- if (OS) print(*OS);
- }
+ /// 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(Attributes);
+
+ /// removeAttr - Remove a Attribute from an argument
+ void removeAttr(Attributes);
/// classof - Methods for support type inquiry through isa, cast, and
/// dyn_cast:
///
- static inline bool classof(const Argument *) { return true; }
static inline bool classof(const Value *V) {
- return V->getValueType() == ArgumentVal;
+ return V->getValueID() == ArgumentVal;
}
};