Subzero: A few fixes toward running larger programs.

src/IceConverter.cpp

 //===- subzero/src/IceConverter.cpp - Converts LLVM to Ice  ---------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the LLVM to ICE converter.
@@ skipping 663 matching lines @@
   Ice::Type SubzeroPointerType;
   std::map<const Value *, Ice::Variable *> VarMap;
   std::map<const BasicBlock *, Ice::CfgNode *> NodeMap;
 };
 
 } // end of anonymous namespace.
 
 namespace Ice {
 
 void Converter::convertToIce(Module *Mod) {
-  convertGlobals(Mod);
+  if (!Flags.DisableGlobals)
+    convertGlobals(Mod);
   convertFunctions(Mod);
 }
 
 void Converter::convertGlobals(Module *Mod) {
   OwningPtr<TargetGlobalInitLowering> GlobalLowering(
       TargetGlobalInitLowering::createLowering(Ctx->getTargetArch(), Ctx));
   for (Module::const_global_iterator I = Mod->global_begin(),
                                      E = Mod->global_end();
        I != E; ++I) {
     if (!I->hasInitializer())
@@ skipping 45 matching lines @@
                 << Fcn->getFunctionName() << ": " << TConvert.getElapsedSec()
                 << " sec\n";
     }
     translateFcn(Fcn);
   }
 
   emitConstants();
 }
 
 } // end of Ice namespace.