X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FArgument.h;h=ff8637881eb786127e3c6f71e3c2cd11692ee39b;hb=07ea23aa2d17f701fa125442c20c1eba75b55fdb;hp=1d92066ce582f0f3e5ed6a6c6aba8203abe9235e;hpb=5c7e326585f3a543388ba871c3425f7664cd9143;p=oota-llvm.git diff --git a/include/llvm/Argument.h b/include/llvm/Argument.h index 1d92066ce58..ff8637881eb 100644 --- a/include/llvm/Argument.h +++ b/include/llvm/Argument.h @@ -2,8 +2,8 @@ // // 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. // //===----------------------------------------------------------------------===// // @@ -15,54 +15,74 @@ #define LLVM_ARGUMENT_H #include "llvm/Value.h" +#include "llvm/Attributes.h" +#include "llvm/ADT/ilist_node.h" +#include "llvm/ADT/Twine.h" namespace llvm { -template struct ilist_traits; -template class SymbolTableListTraits; +template + 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 { 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 >; + friend class SymbolTableListTraits; 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. /// - Argument(const Type *Ty, const std::string &Name = "", Function *F = 0); + explicit Argument(const 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; + + /// hasSRetAttr - 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; } };