-//===-- llvm/Module.h - C++ class to represent a VM module -------*- C++ -*--=//
+//===-- llvm/Module.h - C++ class to represent a VM module ------*- C++ -*-===//
+//
+// 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 contains the declarations for the Module class that is used to
// maintain all the information related to a VM module.
#include "llvm/Function.h"
#include "llvm/GlobalVariable.h"
+
+namespace llvm {
+
class GlobalVariable;
class GlobalValueRefMap; // Used by ConstantVals.cpp
class ConstantPointerRef;
static iplist<GlobalVariable> &getList(Module *M);
};
-class Module : public Annotable {
-public:
+struct Module : public Annotable {
typedef iplist<GlobalVariable> GlobalListType;
typedef iplist<Function> FunctionListType;
typedef std::reverse_iterator<const_giterator> const_reverse_giterator;
// Function iterators...
- typedef FunctionListType::iterator iterator;
- typedef FunctionListType::const_iterator const_iterator;
+ typedef FunctionListType::iterator iterator;
+ typedef FunctionListType::const_iterator const_iterator;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
- enum Endianness { LittleEndian, BigEndian };
- enum PointerSize { Pointer32, Pointer64 };
+ enum Endianness { AnyEndianness, LittleEndian, BigEndian };
+ enum PointerSize { AnyPointerSize, Pointer32, Pointer64 };
private:
GlobalListType GlobalList; // The Global Variables in the module
const std::string &getModuleIdentifier() const { return ModuleID; }
/// Target endian information...
- bool isLittleEndian() const { return Endian == LittleEndian; }
- bool isBigEndian() const { return Endian == BigEndian; }
Endianness getEndianness() const { return Endian; }
void setEndianness(Endianness E) { Endian = E; }
/// Target Pointer Size information...
- bool has32BitPointers() const { return PtrSize == Pointer32; }
- bool has64BitPointers() const { return PtrSize == Pointer64; }
PointerSize getPointerSize() const { return PtrSize; }
void setPointerSize(PointerSize PS) { PtrSize = PS; }
+ //===--------------------------------------------------------------------===//
+ // Methods for easy access to the functions in the module.
+ //
+
/// getOrInsertFunction - Look up the specified function in the module symbol
/// table. If it does not exist, add a prototype for the function and return
/// it.
Function *getOrInsertFunction(const std::string &Name, const FunctionType *T);
+ /// getOrInsertFunction - Look up the specified function in the module symbol
+ /// table. If it does not exist, add a prototype for the function and return
+ /// it. This version of the method takes a null terminated list of function
+ /// arguments, which makes it easier for clients to use.
+ Function *getOrInsertFunction(const std::string &Name, const Type *RetTy,...);
+
/// getFunction - Look up the specified function in the module symbol table.
/// If it does not exist, return null.
///
///
Function *getNamedFunction(const std::string &Name);
+ //===--------------------------------------------------------------------===//
+ // Methods for easy access to the global variables in the module.
+ //
+
+ /// getGlobalVariable - Look up the specified global variable in the module
+ /// symbol table. If it does not exist, return null. Note that this only
+ /// returns a global variable if it does not have internal linkage. The type
+ /// argument should be the underlying type of the global, ie, it should not
+ /// have the top-level PointerType, which represents the address of the
+ /// global.
+ ///
+ GlobalVariable *getGlobalVariable(const std::string &Name, const Type *Ty);
+
+
+ //===--------------------------------------------------------------------===//
+ // Methods for easy access to the types in the module.
+ //
+
/// addTypeName - Insert an entry in the symbol table mapping Str to Type. If
/// there is already an entry for this name, true is returned and the symbol
/// table is not modified.
/// getTypeName - If there is at least one entry in the symbol table for the
/// specified type, return it.
///
- std::string getTypeName(const Type *Ty);
+ std::string getTypeName(const Type *Ty) const;
+
+ /// getTypeByName - Return the type with the specified name in this module, or
+ /// null if there is none by that name.
+ const Type *getTypeByName(const std::string &Name) const;
+
+
+ //===--------------------------------------------------------------------===//
+ // Methods for direct access to the globals list, functions list, and symbol
+ // table.
+ //
/// Get the underlying elements of the Module...
inline const GlobalListType &getGlobalList() const { return GlobalList; }
inline const FunctionListType &getFunctionList() const { return FunctionList;}
inline FunctionListType &getFunctionList() { return FunctionList;}
-
- //===--------------------------------------------------------------------===//
- // Symbol table support functions...
-
/// getSymbolTable() - Get access to the symbol table for the module, where
/// global variables and functions are identified.
///
inline const Function &back() const { return FunctionList.back(); }
inline Function &back() { return FunctionList.back(); }
- void print(std::ostream &OS) const;
+ void print(std::ostream &OS) const { print(OS, 0); }
+ void print(std::ostream &OS, AssemblyAnnotationWriter *AAW) const;
+
void dump() const;
/// dropAllReferences() - This function causes all the subinstructions to "let
return O;
}
+} // End llvm namespace
+
#endif
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