Introduce the notion of function addresses in Subzero.

src/IceTranslator.cpp

 //===- subzero/src/IceTranslator.cpp - ICE to machine code ------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines the general driver class for translating ICE to
@@ skipping 36 matching lines @@
         return false;
       }
     }
     Stream << "Warning : Default " << Kind << " prefix '" << Prefix
            << "' potentially conflicts with name '" << Name << "'.\n";
     return true;
   }
   return false;
 }
 
-void Translator::nameUnnamedGlobalAddresses(llvm::Module *Mod) {
+void Translator::nameUnnamedGlobalVariables(llvm::Module *Mod) {
   const IceString &GlobalPrefix = Flags.DefaultGlobalPrefix;
   if (GlobalPrefix.empty())
     return;
   uint32_t NameIndex = 0;
   Ostream &errs = Ctx->getStrDump();
   for (auto V = Mod->global_begin(), E = Mod->global_end(); V != E; ++V) {
     if (!V->hasName()) {
       V->setName(createUnnamedName(GlobalPrefix, NameIndex));
       ++NameIndex;
     } else {
@@ skipping 35 matching lines @@
     Func->emit();
     Ctx->dumpStats(Func->getFunctionName());
   }
 }
 
 void Translator::emitConstants() {
   if (!Ctx->getFlags().DisableTranslation && Func)
     Func->getTarget()->emitConstants();
 }
 
-void Translator::lowerGlobals(const GlobalAddressList &GlobalAddresses) {
+void Translator::lowerGlobals(const GlobalVariableListType &GlobalVariables) {
   llvm::OwningPtr<Ice::TargetGlobalInitLowering> GlobalLowering(
       Ice::TargetGlobalInitLowering::createLowering(Ctx->getTargetArch(), Ctx));
   bool DisableTranslation = Ctx->getFlags().DisableTranslation;
-  for (const Ice::GlobalAddress *Addr : GlobalAddresses) {
-    GlobalLowering->lower(*Addr, DisableTranslation);
+  for (const Ice::GlobalVariable *Global : GlobalVariables) {
+    GlobalLowering->lower(*Global, DisableTranslation);
   }
   GlobalLowering.reset();
 }