Subzero: Fix stats collection and output for multithreading.

src/IceGlobalContext.cpp

 //===- subzero/src/IceGlobalContext.cpp - Global context defs -------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines aspects of the compilation that persist across
@@ skipping 525 matching lines @@
 }
 
 void GlobalContext::dumpStats(const IceString &Name, bool Final) {
   if (!ALLOW_DUMP || !getFlags().DumpStats)
     return;
   OstreamLocker OL(this);
   if (Final) {
     getStatsCumulative()->dump(Name, getStrDump());
   } else {
     ICE_TLS_GET_FIELD(TLS)->StatsFunction.dump(Name, getStrDump());
-    getStatsCumulative()->dump("_TOTAL_", getStrDump());
   }
 }
 
 void GlobalContext::dumpTimers(TimerStackIdT StackID, bool DumpCumulative) {
   if (!ALLOW_DUMP)
     return;
   auto Timers = getTimers();
   assert(Timers->size() > StackID);
   OstreamLocker L(this);
   Timers->at(StackID).dump(getStrDump(), DumpCumulative);
@@ skipping 17 matching lines @@
 void TimerMarker::pushCfg(const Cfg *Func) {
   Ctx = Func->getContext();
   Active = Func->getFocusedTiming() || Ctx->getFlags().SubzeroTimingEnabled;
   if (Active)
     Ctx->pushTimer(ID, StackID);
 }
 
 ICE_TLS_DEFINE_FIELD(GlobalContext::ThreadContext *, GlobalContext, TLS);
 
 } // end of namespace Ice