#include "llvm/Function.h"
#include "llvm/GlobalVariable.h"
-#include "llvm/ADT/SetVector.h"
#include "llvm/Support/DataTypes.h"
+#include <vector>
namespace llvm {
class GlobalVariable;
class GlobalValueRefMap; // Used by ConstantVals.cpp
class FunctionType;
-class SymbolTable;
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();
};
/// A Module instance is used to store all the information related to an
typedef iplist<Function> FunctionListType;
/// 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;
FunctionListType FunctionList; ///< The Functions 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
+ 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
std::string DataLayout; ///< Target data description
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; }
/// @{
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 Type Accessors
/// Get the Module's list of functions.
FunctionListType &getFunctionList() { return FunctionList; }
/// Get the symbol table of global variable and function identifiers
- const SymbolTable &getSymbolTable() const { return *SymTab; }
+ const ValueSymbolTable &getValueSymbolTable() const { return *ValSymTab; }
/// Get the Module's symbol table of global variable and function identifiers.
- SymbolTable &getSymbolTable() { return *SymTab; }
+ ValueSymbolTable &getValueSymbolTable() { return *ValSymTab; }
+ /// Get the symbol table of types
+ const TypeSymbolTable &getTypeSymbolTable() const { return *TypeSymTab; }
+ /// Get the Module's symbol table of types
+ TypeSymbolTable &getTypeSymbolTable() { return *TypeSymTab; }
/// @}
/// @name Global Variable Iteration
/// @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); }
+ 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; }
/// 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));
+ }
};
/// 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 int
+ilist_traits<Function>::getListOffset() {
+ return Module::getFunctionListOffset();
+}
+
+inline int
+ilist_traits<GlobalVariable>::getListOffset() {
+ return Module::getGlobalVariableListOffset();
+}
+
} // End llvm namespace
#endif
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