Introduce the notion of function addresses in Subzero.

src/IceTranslator.h

Index: src/IceTranslator.h
diff --git a/src/IceTranslator.h b/src/IceTranslator.h
index 8aeda94684f58e9079a38fe02b6ccc882d5a81f6..02a9001e7e777d81e6dacf2d5c44efe3827b9803 100644
--- a/src/IceTranslator.h
+++ b/src/IceTranslator.h
@@ -25,7 +25,7 @@ namespace Ice {
 
 class ClFlags;
 class Cfg;
-class GlobalAddress;
+class GlobalVariable;
 class GlobalContext;
 
 // Base class for translating ICE to machine code.
@@ -34,7 +34,7 @@ class GlobalContext;
 // machine instructions.
 class Translator {
 public:
-  typedef std::vector<Ice::GlobalAddress *> GlobalAddressList;
+  typedef std::vector<Ice::GlobalVariable *> GlobalVariableListType;
 
   Translator(GlobalContext *Ctx, const ClFlags &Flags)
       : Ctx(Ctx), Flags(Flags), ErrorStatus(0) {}
@@ -55,7 +55,7 @@ public:
   void emitConstants();
 
   /// Lowers the given list of global addresses to target.
-  void lowerGlobals(const GlobalAddressList &GlobalAddresses);
+  void lowerGlobals(const GlobalVariableListType &GlobalVariables);
 
   /// Creates a name using the given prefix and corresponding index.
   std::string createUnnamedName(const IceString &Prefix, SizeT Index);
@@ -68,7 +68,7 @@ public:
 
   // Walks module and generates names for unnamed globals using prefix
   // getFlags().DefaultGlobalPrefix, if the prefix is non-empty.
-  void nameUnnamedGlobalAddresses(llvm::Module *Mod);
+  void nameUnnamedGlobalVariables(llvm::Module *Mod);
 
   // Walks module and generates names for unnamed functions using
   // prefix getFlags().DefaultFunctionPrefix, if the prefix is