#include "llvm/Function.h"
#include "llvm/GlobalVariable.h"
-#include "llvm/ADT/SetVector.h"
+#include "llvm/GlobalAlias.h"
#include "llvm/Support/DataTypes.h"
+#include <vector>
namespace llvm {
-class GlobalVariable;
class GlobalValueRefMap; // Used by ConstantVals.cpp
class FunctionType;
-class SymbolTable;
-class TypeSymbolTable;
template<> struct ilist_traits<Function>
- : public SymbolTableListTraits<Function, Module, Module> {
+ : public SymbolTableListTraits<Function, 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);
+ static inline ValueSymbolTable *getSymTab(Module *M);
+ static int getListOffset();
};
template<> struct ilist_traits<GlobalVariable>
- : public SymbolTableListTraits<GlobalVariable, Module, Module> {
+ : public SymbolTableListTraits<GlobalVariable, 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);
+ static inline ValueSymbolTable *getSymTab(Module *M);
+ static int getListOffset();
+};
+template<> struct ilist_traits<GlobalAlias>
+ : public SymbolTableListTraits<GlobalAlias, Module> {
+ // createSentinel is used to create a node that marks the end of the list.
+ static GlobalAlias *createSentinel();
+ static void destroySentinel(GlobalAlias *GA) { delete GA; }
+ static iplist<GlobalAlias> &getList(Module *M);
+ static inline ValueSymbolTable *getSymTab(Module *M);
+ static int getListOffset();
};
/// A Module instance is used to store all the information related to an
typedef iplist<GlobalVariable> GlobalListType;
/// The type for the list of functions.
typedef iplist<Function> FunctionListType;
+ /// The type for the list of aliases.
+ typedef iplist<GlobalAlias> AliasListType;
/// The type for the list of dependent libraries.
- typedef SetVector<std::string> LibraryListType;
+ typedef std::vector<std::string> LibraryListType;
/// The Global Variable iterator.
typedef GlobalListType::iterator global_iterator;
/// The Function constant iterator
typedef FunctionListType::const_iterator const_iterator;
+ /// The Global Alias iterators.
+ typedef AliasListType::iterator alias_iterator;
+ /// The Global Alias constant iterator
+ typedef AliasListType::const_iterator const_alias_iterator;
+
/// The Library list iterator.
typedef LibraryListType::const_iterator lib_iterator;
private:
GlobalListType GlobalList; ///< The Global Variables in the module
FunctionListType FunctionList; ///< The Functions in the module
+ AliasListType AliasList; ///< The Aliases in the module
LibraryListType LibraryList; ///< The Libraries needed by the module
std::string GlobalScopeAsm; ///< Inline Asm at global scope.
- SymbolTable *ValSymTab; ///< Symbol table for values
+ ValueSymbolTable *ValSymTab; ///< Symbol table for values
TypeSymbolTable *TypeSymTab; ///< Symbol table for types
std::string ModuleID; ///< Human readable identifier for the module
std::string TargetTriple; ///< Platform target triple Module compiled on
public:
/// The Module constructor. Note that there is no default constructor. You
/// must provide a name for the module upon construction.
- Module(const std::string &ModuleID);
+ explicit Module(const std::string &ModuleID);
/// The module destructor. This will dropAllReferences.
~Module();
/// Get the data layout string for the module's target platform. This encodes
/// the type sizes and alignments expected by this module.
/// @returns the data layout as a string
- std::string getDataLayout() const { return DataLayout; }
+ const std::string& getDataLayout() const { return DataLayout; }
/// Get the target triple which is a string describing the target host.
/// @returns a string containing the target triple.
void setModuleIdentifier(const std::string &ID) { ModuleID = ID; }
/// Set the data layout
- void setDataLayout(std::string DL) { DataLayout = DL; }
+ void setDataLayout(const std::string& DL) { DataLayout = DL; }
/// Set the target triple.
void setTargetTriple(const std::string &T) { TargetTriple = T; }
- /// Set the target endian information.
- void setEndianness(Endianness E);
-
- /// Set the target pointer size.
- void setPointerSize(PointerSize PS);
-
/// Set the module-scope inline assembly blocks.
void setModuleInlineAsm(const std::string &Asm) { GlobalScopeAsm = Asm; }
+ /// Append to the module-scope inline assembly blocks, automatically
+ /// appending a newline to the end.
+ void appendModuleInlineAsm(const std::string &Asm) {
+ GlobalScopeAsm += Asm;
+ GlobalScopeAsm += '\n';
+ }
+
/// @}
/// @name Function Accessors
/// @{
public:
/// 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);
+ /// table. Four possibilities:
+ /// 1. If it does not exist, add a prototype for the function and return it.
+ /// 2. If it exists, and has internal linkage, the existing function is
+ /// renamed and a new one is inserted.
+ /// 3. Otherwise, if the existing function has the correct prototype, return
+ /// the existing function.
+ /// 4. Finally, the function exists but has the wrong prototype: return the
+ /// function with a constantexpr cast to the right prototype.
+ Constant *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,...)
+ /// it. This function guarantees to return a constant of pointer to the
+ /// specified function type or a ConstantExpr BitCast of that type if the
+ /// named function has a different type. This version of the method takes a
+ /// null terminated list of function arguments, which makes it easier for
+ /// clients to use.
+ Constant *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) const;
+ Function *getFunction(const std::string &Name) const;
/// @}
/// @name Global Variable Accessors
/// 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);
+ GlobalVariable *getGlobalVariable(const std::string &Name,
+ bool AllowInternal = false) const;
/// getNamedGlobal - Return the first global variable in the module with the
/// specified name, of arbitrary type. This method returns null if a global
/// with the specified name is not found.
- GlobalVariable *getNamedGlobal(const std::string &Name) const;
+ GlobalVariable *getNamedGlobal(const std::string &Name) const {
+ return getGlobalVariable(Name, true);
+ }
+
+/// @}
+/// @name Global Variable Accessors
+/// @{
+public:
+ /// getNamedGlobal - Return the first global alias in the module with the
+ /// specified name, of arbitrary type. This method returns null if a global
+ /// with the specified name is not found.
+ GlobalAlias *getNamedAlias(const std::string &Name) const;
/// @}
/// @name Type Accessors
const FunctionListType &getFunctionList() const { return FunctionList; }
/// Get the Module's list of functions.
FunctionListType &getFunctionList() { return FunctionList; }
+ /// Get the Module's list of aliases (constant).
+ const AliasListType &getAliasList() const { return AliasList; }
+ /// Get the Module's list of aliases.
+ AliasListType &getAliasList() { return AliasList; }
/// Get the symbol table of global variable and function identifiers
- const SymbolTable &getValueSymbolTable() const { return *ValSymTab; }
+ const ValueSymbolTable &getValueSymbolTable() const { return *ValSymTab; }
/// Get the Module's symbol table of global variable and function identifiers.
- SymbolTable &getValueSymbolTable() { return *ValSymTab; }
+ ValueSymbolTable &getValueSymbolTable() { return *ValSymTab; }
/// Get the symbol table of types
- const TypeSymbolTable &getTypeSymbolTable() const { return *TypeSymTab; }
+ const TypeSymbolTable &getTypeSymbolTable() const { return *TypeSymTab; }
/// Get the Module's symbol table of types
- TypeSymbolTable &getTypeSymbolTable() { return *TypeSymTab; }
+ TypeSymbolTable &getTypeSymbolTable() { return *TypeSymTab; }
/// @}
/// @name Global Variable Iteration
/// Get a constant iterator to the last function.
const_iterator end () const { return FunctionList.end(); }
/// Determine how many functions are in the Module's list of functions.
- size_t size() const { return FunctionList.size(); }
+ size_t size() const { return FunctionList.size(); }
/// Determine if the list of functions is empty.
bool empty() const { return FunctionList.empty(); }
/// @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(); }
+ 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(); }
+ 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); }
+ void addLibrary(const std::string& Lib);
/// @brief Remove a library from the list of dependent libraries
- inline void removeLibrary(const std::string& Lib) { LibraryList.remove(Lib); }
+ void removeLibrary(const std::string& Lib);
/// @brief Get all the libraries
inline const LibraryListType& getLibraries() const { return LibraryList; }
+/// @}
+/// @name Alias Iteration
+/// @{
+public:
+ /// Get an iterator to the first alias.
+ alias_iterator alias_begin() { return AliasList.begin(); }
+ /// Get a constant iterator to the first alias.
+ const_alias_iterator alias_begin() const { return AliasList.begin(); }
+ /// Get an iterator to the last alias.
+ alias_iterator alias_end () { return AliasList.end(); }
+ /// Get a constant iterator to the last alias.
+ const_alias_iterator alias_end () const { return AliasList.end(); }
+ /// Determine how many functions are in the Module's list of aliases.
+ size_t alias_size () const { return AliasList.size(); }
+ /// Determine if the list of aliases is empty.
+ bool alias_empty() const { return AliasList.empty(); }
+
/// @}
/// @name Utility functions for printing and dumping Module objects
/// @{
/// that has "dropped all references", except operator delete.
void dropAllReferences();
/// @}
+
+ static unsigned getFunctionListOffset() {
+ Module *Obj = 0;
+ return unsigned(reinterpret_cast<uintptr_t>(&Obj->FunctionList));
+ }
+ static unsigned getGlobalVariableListOffset() {
+ Module *Obj = 0;
+ return unsigned(reinterpret_cast<uintptr_t>(&Obj->GlobalList));
+ }
+ static unsigned getAliasListOffset() {
+ Module *Obj = 0;
+ return unsigned(reinterpret_cast<uintptr_t>(&Obj->AliasList));
+ }
};
/// An iostream inserter for modules.
return O;
}
+inline ValueSymbolTable *
+ilist_traits<Function>::getSymTab(Module *M) {
+ return M ? &M->getValueSymbolTable() : 0;
+}
+
+inline ValueSymbolTable *
+ilist_traits<GlobalVariable>::getSymTab(Module *M) {
+ return M ? &M->getValueSymbolTable() : 0;
+}
+
+inline ValueSymbolTable *
+ilist_traits<GlobalAlias>::getSymTab(Module *M) {
+ return M ? &M->getValueSymbolTable() : 0;
+}
+
+inline int
+ilist_traits<Function>::getListOffset() {
+ return Module::getFunctionListOffset();
+}
+
+inline int
+ilist_traits<GlobalVariable>::getListOffset() {
+ return Module::getGlobalVariableListOffset();
+}
+
+inline int
+ilist_traits<GlobalAlias>::getListOffset() {
+ return Module::getAliasListOffset();
+}
+
} // End llvm namespace
#endif
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