Fix comment

[oota-llvm.git] / include / llvm / GlobalValue.h

diff --git a/include/llvm/GlobalValue.h b/include/llvm/GlobalValue.h
index 014cdbe82af2dd6f9b9e55904be2898d559fc130..d2d91303707176a9c8048a47420ee13a2a614dd5 100644 (file)
--- a/include/llvm/GlobalValue.h
+++ b/include/llvm/GlobalValue.h
@@ -8,9 +8,10 @@
 //===----------------------------------------------------------------------===//
 //
 // This file is a common base class of all globally definable objects.  As such,
-// it is subclassed by GlobalVariable and by Function.  This is used because you
-// can do certain things with these global objects that you can't do to anything
-// else.  For example, use the address of one as a constant.
+// it is subclassed by GlobalVariable, GlobalAlias and by Function.  This is
+// used because you can do certain things with these global objects that you
+// can't do to anything else.  For example, use the address of one as a
+// constant.
 //
 //===----------------------------------------------------------------------===//
 
@@ -43,7 +44,8 @@ public:
   /// @brief An enumeration for the kinds of visibility of global values.
   enum VisibilityTypes {
     DefaultVisibility = 0,  ///< The GV is visible
-    HiddenVisibility        ///< The GV is hidden
+    HiddenVisibility,       ///< The GV is hidden
+    ProtectedVisibility     ///< The GV is protected
   };
 
 protected:
@@ -58,7 +60,7 @@ protected:
   // Note: VC++ treats enums as signed, so an extra bit is required to prevent
   // Linkage and Visibility from turning into negative values.
   LinkageTypes Linkage : 5;   // The linkage of this global
-  unsigned Visibility : 1;    // The visibility style of this global
+  unsigned Visibility : 2;    // The visibility style of this global
   unsigned Alignment : 16;    // Alignment of this symbol, must be power of two
   std::string Section;        // Section to emit this into, empty mean default
 public:
@@ -74,6 +76,9 @@ public:
 
   VisibilityTypes getVisibility() const { return (VisibilityTypes)Visibility; }
   bool hasHiddenVisibility() const { return Visibility == HiddenVisibility; }
+  bool hasProtectedVisibility() const {
+    return Visibility == ProtectedVisibility;
+  }
   void setVisibility(VisibilityTypes V) { Visibility = V; }
   
   bool hasSection() const { return !Section.empty(); }