mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-30 07:22:55 +01:00
288 lines
12 KiB
C++
288 lines
12 KiB
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.
|
|
//
|
|
// A module also maintains a GlobalValRefMap object that is used to hold all
|
|
// constant references to global variables in the module. When a global
|
|
// variable is destroyed, it should have no entries in the GlobalValueRefMap.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_MODULE_H
|
|
#define LLVM_MODULE_H
|
|
|
|
#include "llvm/Function.h"
|
|
#include "llvm/GlobalVariable.h"
|
|
#include "llvm/InlineAsm.h"
|
|
#include "llvm/ADT/SetVector.h"
|
|
#include "llvm/Support/DataTypes.h"
|
|
|
|
namespace llvm {
|
|
|
|
class GlobalVariable;
|
|
class GlobalValueRefMap; // Used by ConstantVals.cpp
|
|
class FunctionType;
|
|
class SymbolTable;
|
|
|
|
template<> struct ilist_traits<Function>
|
|
: public SymbolTableListTraits<Function, Module, Module> {
|
|
// createSentinel is used to create a node that marks the end of the list.
|
|
static Function *createSentinel();
|
|
static void destroySentinel(Function *F) { delete F; }
|
|
static iplist<Function> &getList(Module *M);
|
|
};
|
|
template<> struct ilist_traits<GlobalVariable>
|
|
: public SymbolTableListTraits<GlobalVariable, Module, Module> {
|
|
// createSentinel is used to create a node that marks the end of the list.
|
|
static GlobalVariable *createSentinel();
|
|
static void destroySentinel(GlobalVariable *GV) { delete GV; }
|
|
static iplist<GlobalVariable> &getList(Module *M);
|
|
};
|
|
template<> struct ilist_traits<InlineAsm>
|
|
: public SymbolTableListTraits<InlineAsm, Module, Module> {
|
|
// createSentinel is used to create a node that marks the end of the list.
|
|
static InlineAsm *createSentinel();
|
|
static void destroySentinel(InlineAsm *GV) { delete GV; }
|
|
static iplist<InlineAsm> &getList(Module *M);
|
|
};
|
|
|
|
class Module {
|
|
public:
|
|
typedef iplist<GlobalVariable> GlobalListType;
|
|
typedef iplist<Function> FunctionListType;
|
|
typedef iplist<InlineAsm> InlineAsmListType;
|
|
typedef SetVector<std::string> LibraryListType;
|
|
|
|
// Global Variable iterators.
|
|
typedef GlobalListType::iterator global_iterator;
|
|
typedef GlobalListType::const_iterator const_global_iterator;
|
|
|
|
// Function iterators.
|
|
typedef FunctionListType::iterator iterator;
|
|
typedef FunctionListType::const_iterator const_iterator;
|
|
|
|
// Inline Asm iterators.
|
|
typedef InlineAsmListType::iterator inlineasm_iterator;
|
|
typedef InlineAsmListType::const_iterator const_inlineasm_iterator;
|
|
|
|
// Library list iterators.
|
|
typedef LibraryListType::const_iterator lib_iterator;
|
|
|
|
enum Endianness { AnyEndianness, LittleEndian, BigEndian };
|
|
enum PointerSize { AnyPointerSize, Pointer32, Pointer64 };
|
|
|
|
private:
|
|
GlobalListType GlobalList; // The Global Variables in the module
|
|
FunctionListType FunctionList; // The Functions in the module
|
|
InlineAsmListType InlineAsmList; // The inline asm objects in the module.
|
|
LibraryListType LibraryList; // The Libraries needed by the module
|
|
std::string GlobalScopeAsm; // Inline Asm at global scope.
|
|
SymbolTable *SymTab; // Symbol Table for the module
|
|
std::string ModuleID; // Human readable identifier for the module
|
|
std::string TargetTriple; // Platform target triple Module compiled on
|
|
Endianness Endian; // Endianness assumed in the module
|
|
PointerSize PtrSize; // Pointer size assumed in the module
|
|
|
|
friend class Constant;
|
|
|
|
public:
|
|
Module(const std::string &ModuleID);
|
|
~Module();
|
|
|
|
const std::string &getModuleIdentifier() const { return ModuleID; }
|
|
void setModuleIdentifier(const std::string &ID) { ModuleID = ID; }
|
|
|
|
const std::string &getTargetTriple() const { return TargetTriple; }
|
|
void setTargetTriple(const std::string &T) { TargetTriple = T; }
|
|
|
|
/// Target endian information...
|
|
Endianness getEndianness() const { return Endian; }
|
|
void setEndianness(Endianness E) { Endian = E; }
|
|
|
|
/// Target Pointer Size information...
|
|
PointerSize getPointerSize() const { return PtrSize; }
|
|
void setPointerSize(PointerSize PS) { PtrSize = PS; }
|
|
|
|
// Access to any module-scope inline asm blocks.
|
|
const std::string &getModuleInlineAsm() const { return GlobalScopeAsm; }
|
|
void setModuleInlineAsm(const std::string &Asm) { GlobalScopeAsm = Asm; }
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// 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,...)
|
|
END_WITH_NULL;
|
|
|
|
/// getFunction - Look up the specified function in the module symbol table.
|
|
/// If it does not exist, return null.
|
|
///
|
|
Function *getFunction(const std::string &Name, const FunctionType *Ty);
|
|
|
|
/// getMainFunction - This function looks up main efficiently. This is such a
|
|
/// common case, that it is a method in Module. If main cannot be found, a
|
|
/// null pointer is returned.
|
|
///
|
|
Function *getMainFunction();
|
|
|
|
/// getNamedFunction - Return the first function in the module with the
|
|
/// specified name, of arbitrary type. This method returns null if a function
|
|
/// with the specified name is not found.
|
|
///
|
|
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. The type argument
|
|
/// should be the underlying type of the global, i.e., it should not have
|
|
/// the top-level PointerType, which represents the address of the global.
|
|
/// If AllowInternal is set to true, this function will return types that
|
|
/// have InternalLinkage. By default, these types are not returned.
|
|
///
|
|
GlobalVariable *getGlobalVariable(const std::string &Name, const Type *Ty,
|
|
bool AllowInternal = false);
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// 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.
|
|
///
|
|
bool addTypeName(const std::string &Name, const Type *Ty);
|
|
|
|
/// getTypeName - If there is at least one entry in the symbol table for the
|
|
/// specified type, return it.
|
|
///
|
|
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.
|
|
const GlobalListType &getGlobalList() const { return GlobalList; }
|
|
GlobalListType &getGlobalList() { return GlobalList; }
|
|
const FunctionListType &getFunctionList() const { return FunctionList; }
|
|
FunctionListType &getFunctionList() { return FunctionList; }
|
|
const InlineAsmListType &getInlineAsmList() const { return InlineAsmList; }
|
|
InlineAsmListType &getInlineAsmList() { return InlineAsmList; }
|
|
|
|
/// getSymbolTable() - Get access to the symbol table for the module, where
|
|
/// global variables and functions are identified.
|
|
///
|
|
SymbolTable &getSymbolTable() { return *SymTab; }
|
|
const SymbolTable &getSymbolTable() const { return *SymTab; }
|
|
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Module iterator forwarding functions
|
|
//
|
|
// Globals list interface
|
|
global_iterator global_begin() { return GlobalList.begin(); }
|
|
const_global_iterator global_begin() const { return GlobalList.begin(); }
|
|
global_iterator global_end () { return GlobalList.end(); }
|
|
const_global_iterator global_end () const { return GlobalList.end(); }
|
|
bool global_empty() const { return GlobalList.empty(); }
|
|
|
|
// FunctionList interface
|
|
iterator begin() { return FunctionList.begin(); }
|
|
const_iterator begin() const { return FunctionList.begin(); }
|
|
iterator end () { return FunctionList.end(); }
|
|
const_iterator end () const { return FunctionList.end(); }
|
|
|
|
size_t size() const { return FunctionList.size(); }
|
|
bool empty() const { return FunctionList.empty(); }
|
|
|
|
// Inline Asm list interface
|
|
inlineasm_iterator inlineasm_begin() {
|
|
return InlineAsmList.begin();
|
|
}
|
|
const_inlineasm_iterator inlineasm_begin() const {
|
|
return InlineAsmList.begin();
|
|
}
|
|
inlineasm_iterator inlineasm_end() {
|
|
return InlineAsmList.end();
|
|
}
|
|
const_inlineasm_iterator inlineasm_end() const {
|
|
return InlineAsmList.end();
|
|
}
|
|
bool inlineasm_empty() const { return InlineAsmList.empty(); }
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// List of dependent library access functions
|
|
|
|
/// @brief Get a constant iterator to beginning of dependent library list.
|
|
inline lib_iterator lib_begin() const { return LibraryList.begin(); }
|
|
|
|
/// @brief Get a constant iterator to end of dependent library list.
|
|
inline lib_iterator lib_end() const { return LibraryList.end(); }
|
|
|
|
/// @brief Returns the number of items in the list of libraries.
|
|
inline size_t lib_size() const { return LibraryList.size(); }
|
|
|
|
/// @brief Add a library to the list of dependent libraries
|
|
inline void addLibrary(const std::string& Lib){ LibraryList.insert(Lib); }
|
|
|
|
/// @brief Remove a library from the list of dependent libraries
|
|
inline void removeLibrary(const std::string& Lib) { LibraryList.remove(Lib); }
|
|
|
|
/// @brief Get all the libraries
|
|
inline const LibraryListType& getLibraries() const { return LibraryList; }
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// Utility functions for printing and dumping Module objects
|
|
|
|
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
|
|
/// go" of all references that they are maintaining. This allows one to
|
|
/// 'delete' a whole class at a time, even though there may be circular
|
|
/// references... first all references are dropped, and all use counts go to
|
|
/// zero. Then everything is delete'd for real. Note that no operations are
|
|
/// valid on an object that has "dropped all references", except operator
|
|
/// delete.
|
|
///
|
|
void dropAllReferences();
|
|
};
|
|
|
|
inline std::ostream &operator<<(std::ostream &O, const Module &M) {
|
|
M.print(O);
|
|
return O;
|
|
}
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|