X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FGlobalAlias.h;h=7c147eb62a39f0aa90d5b96cb60985286154e9e9;hb=629c1a3f78494d0dd769fe82bd2bd17df0555843;hp=1dee0414ebc764c102a4b823af65f54aff86d3ad;hpb=e846dd89c173d462d197046b76d37588896623f3;p=oota-llvm.git

diff --git a/include/llvm/GlobalAlias.h b/include/llvm/GlobalAlias.h
index 1dee0414ebc..7c147eb62a3 100644
--- a/include/llvm/GlobalAlias.h
+++ b/include/llvm/GlobalAlias.h
@@ -16,6 +16,7 @@
 #define LLVM_GLOBAL_ALIAS_H
 
 #include "llvm/GlobalValue.h"
+#include "llvm/OperandTraits.h"
 
 namespace llvm {
 
@@ -42,13 +43,19 @@ class GlobalAlias : public GlobalValue {
         GlobalAlias *getPrev()       { return Prev; }
   const GlobalAlias *getPrev() const { return Prev; }
 
-  Use Aliasee;
 public:
+  // allocate space for exactly one operand
+  void *operator new(size_t s) {
+    return User::operator new(s, 1);
+  }
   /// GlobalAlias ctor - If a parent module is specified, the alias is
   /// automatically inserted into the end of the specified module's alias list.
   GlobalAlias(const Type *Ty, LinkageTypes Linkage, const std::string &Name = "",
               Constant* Aliasee = 0, Module *Parent = 0);
 
+  /// Provide fast operand accessors
+  DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value);
+
   /// 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.
@@ -79,9 +86,9 @@ public:
   /// global. This method retrives the global for both aliasee flavours.
   const GlobalValue* getAliasedGlobal() const;
 
-  /// resolveAliasedGlobal() - This method tries to ultimately resolve alias by
-  /// going through aliasing chain and trying to find the very last
-  /// global. Return NULL is cycle was found.
+  /// resolveAliasedGlobal() - This method tries to ultimately resolve the alias
+  /// by going through the aliasing chain and trying to find the very last
+  /// global. Returns NULL if a cycle was found.
   const GlobalValue* resolveAliasedGlobal() const;
 
   // Methods for support type inquiry through isa, cast, and dyn_cast:
@@ -91,6 +98,12 @@ public:
   }
 };
 
+template <>
+struct OperandTraits<GlobalAlias> : FixedNumOperandTraits<1> {
+};
+
+DEFINE_TRANSPARENT_OPERAND_ACCESSORS(GlobalAlias, Value)
+
 } // End llvm namespace
 
 #endif