X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FGlobalVariable.h;h=303e57f99a584d6a524317c41d9c72bd31e87b65;hb=c651e4c51e11feb58e6c12fee8a8f85631269f2f;hp=1faa095d0513bc20b49c37719cbb0076912492b1;hpb=0d1e40728d668085257b78657b381e1f13d77d52;p=oota-llvm.git

diff --git a/include/llvm/GlobalVariable.h b/include/llvm/GlobalVariable.h
index 1faa095d051..303e57f99a5 100644
--- a/include/llvm/GlobalVariable.h
+++ b/include/llvm/GlobalVariable.h
@@ -1,10 +1,10 @@
 //===-- llvm/GlobalVariable.h - GlobalVariable class ------------*- 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 declaration of the GlobalVariable class, which
@@ -27,41 +27,46 @@ namespace llvm {
 class Module;
 class Constant;
 class PointerType;
-template<typename SC> struct ilist_traits;
-template<typename ValueSubClass, typename ItemParentClass, typename SymTabClass,
-         typename SubClass> class SymbolTableListTraits;
+template<typename ValueSubClass, typename ItemParentClass>
+  class SymbolTableListTraits;
 
 class GlobalVariable : public GlobalValue {
-  friend class SymbolTableListTraits<GlobalVariable, Module, Module,
-                                     ilist_traits<GlobalVariable> >;
+  friend class SymbolTableListTraits<GlobalVariable, Module>;
+  void operator=(const GlobalVariable &);     // Do not implement
+  GlobalVariable(const GlobalVariable &);     // Do not implement
+
   void setParent(Module *parent);
 
   GlobalVariable *Prev, *Next;
   void setNext(GlobalVariable *N) { Next = N; }
   void setPrev(GlobalVariable *N) { Prev = N; }
 
-  bool isConstantGlobal;               // Is this a global constant?
+  bool isConstantGlobal : 1;           // Is this a global constant?
+  bool isThreadLocalSymbol : 1;        // Is this symbol "Thread Local"?
   Use Initializer;
 
 public:
   /// GlobalVariable ctor - If a parent module is specified, the global is
   /// automatically inserted into the end of the specified modules global list.
-  ///
   GlobalVariable(const Type *Ty, bool isConstant, LinkageTypes Linkage,
-		 Constant *Initializer = 0, const std::string &Name = "",
-                 Module *Parent = 0);
-
-  /// isExternal - Is this global variable lacking an initializer?  If so, the
-  /// global variable is defined in some other translation unit, and is thus
-  /// externally defined here.
-  ///
-  virtual bool isExternal() const { return getNumOperands() == 0; }
+                 Constant *Initializer = 0, const std::string &Name = "",
+                 Module *Parent = 0, bool ThreadLocal = false);
+  /// GlobalVariable ctor - This creates a global and inserts it before the
+  /// specified other global.
+  GlobalVariable(const Type *Ty, bool isConstant, LinkageTypes Linkage,
+                 Constant *Initializer, const std::string &Name,
+                 GlobalVariable *InsertBefore, bool ThreadLocal = false);
+  
+  /// isDeclaration - Is this global variable lacking an initializer?  If so, 
+  /// the global variable is defined in some other translation unit, and is thus
+  /// only a declaration here.
+  virtual bool isDeclaration() const { return getNumOperands() == 0; }
 
   /// hasInitializer - Unless a global variable isExternal(), it has an
   /// initializer.  The initializer for the global variable/constant is held by
   /// Initializer if an initializer is specified.
   ///
-  inline bool hasInitializer() const { return !isExternal(); }
+  inline bool hasInitializer() const { return !isDeclaration(); }
 
   /// getInitializer - Return the initializer for this global variable.  It is
   /// illegal to call this method if the global is external, because we cannot
@@ -88,12 +93,6 @@ public:
     }
   }
 
-  // getNext/Prev - Return the next or previous global variable in the list.
-        GlobalVariable *getNext()       { return Next; }
-  const GlobalVariable *getNext() const { return Next; }
-        GlobalVariable *getPrev()       { return Prev; }
-  const GlobalVariable *getPrev() const { return Prev; }
-
   /// If the value is a global constant, its value is immutable throughout the
   /// runtime execution of the program.  Assigning a value into the constant
   /// leads to undefined behavior.
@@ -101,28 +100,38 @@ public:
   bool isConstant() const { return isConstantGlobal; }
   void setConstant(bool Value) { isConstantGlobal = Value; }
 
+  /// If the value is "Thread Local", its value isn't shared by the threads.
+  bool isThreadLocal() const { return isThreadLocalSymbol; }
+  void setThreadLocal(bool Value) { isThreadLocalSymbol = Value; }
+
   /// removeFromParent - This method unlinks 'this' from the containing module,
   /// but does not delete it.
   ///
-  void removeFromParent();
+  virtual void removeFromParent();
 
   /// eraseFromParent - This method unlinks 'this' from the containing module
   /// and deletes it.
   ///
-  void eraseFromParent();
-  
-  /// Override Constant's implementation of this method so we can 
+  virtual void eraseFromParent();
+
+  /// Override Constant's implementation of this method so we can
   /// replace constant initializers.
-  virtual void replaceUsesOfWithOnConstant(Value *From, Value *To,
-                                           bool DisableChecking = false);
-  
+  virtual void replaceUsesOfWithOnConstant(Value *From, Value *To, Use *U);
+
   virtual void print(std::ostream &OS) const;
+  void print(std::ostream *OS) const { if (OS) print(*OS); }
 
   // Methods for support type inquiry through isa, cast, and dyn_cast:
   static inline bool classof(const GlobalVariable *) { return true; }
   static inline bool classof(const Value *V) {
-    return V->getValueType() == Value::GlobalVariableVal;
+    return V->getValueID() == Value::GlobalVariableVal;
   }
+private:
+  // getNext/Prev - Return the next or previous global variable in the list.
+        GlobalVariable *getNext()       { return Next; }
+  const GlobalVariable *getNext() const { return Next; }
+        GlobalVariable *getPrev()       { return Prev; }
+  const GlobalVariable *getPrev() const { return Prev; }
 };
 
 } // End llvm namespace