Subzero: Second attempt at fixing MacOS 10.6 build.

src/IceGlobalContext.h

 //===- subzero/src/IceGlobalContext.h - Global context defs -----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares aspects of the compilation that persist across
@@ skipping 161 matching lines @@
 
   // TODO(wala,stichnot): Make the RNG play nicely with multithreaded
   // translation.
   RandomNumberGenerator &getRNG() { return RNG; }
 
   ELFObjectWriter *getObjectWriter() const { return ObjectWriter.get(); }
 
   // Reset stats at the beginning of a function.
   void resetStats() {
     if (ALLOW_DUMP)
-      TLS->StatsFunction.reset();
+      ICE_TLS_GET_FIELD(TLS)->StatsFunction.reset();
   }
   void dumpStats(const IceString &Name, bool Final = false);
   void statsUpdateEmitted(uint32_t InstCount) {
     if (!ALLOW_DUMP || !getFlags().DumpStats)
       return;
-    TLS->StatsFunction.updateEmitted(InstCount);
+    ICE_TLS_GET_FIELD(TLS)->StatsFunction.updateEmitted(InstCount);
     getStatsCumulative()->updateEmitted(InstCount);
   }
   void statsUpdateRegistersSaved(uint32_t Num) {
     if (!ALLOW_DUMP || !getFlags().DumpStats)
       return;
-    TLS->StatsFunction.updateRegistersSaved(Num);
+    ICE_TLS_GET_FIELD(TLS)->StatsFunction.updateRegistersSaved(Num);
     getStatsCumulative()->updateRegistersSaved(Num);
   }
   void statsUpdateFrameBytes(uint32_t Bytes) {
     if (!ALLOW_DUMP || !getFlags().DumpStats)
       return;
-    TLS->StatsFunction.updateFrameBytes(Bytes);
+    ICE_TLS_GET_FIELD(TLS)->StatsFunction.updateFrameBytes(Bytes);
     getStatsCumulative()->updateFrameBytes(Bytes);
   }
   void statsUpdateSpills() {
     if (!ALLOW_DUMP || !getFlags().DumpStats)
       return;
-    TLS->StatsFunction.updateSpills();
+    ICE_TLS_GET_FIELD(TLS)->StatsFunction.updateSpills();
     getStatsCumulative()->updateSpills();
   }
   void statsUpdateFills() {
     if (!ALLOW_DUMP || !getFlags().DumpStats)
       return;
-    TLS->StatsFunction.updateFills();
+    ICE_TLS_GET_FIELD(TLS)->StatsFunction.updateFills();
     getStatsCumulative()->updateFills();
   }
 
   // These are predefined TimerStackIdT values.
   enum TimerStackKind {
     TSK_Default = 0,
     TSK_Funcs,
     TSK_Num
   };
 
@@ skipping 44 matching lines @@
   LockedPtr<CodeStats> getStatsCumulative() {
     return LockedPtr<CodeStats>(&StatsCumulative, &StatsLock);
   }
   LockedPtr<std::vector<TimerStack>> getTimers() {
     return LockedPtr<std::vector<TimerStack>>(&Timers, &TimerLock);
   }
 
   std::vector<ThreadContext *> AllThreadContexts;
   // Each thread has its own TLS pointer which is also held in
   // AllThreadContexts.
-  ICE_ATTRIBUTE_TLS static ThreadContext *TLS;
+  ICE_TLS_DECLARE_FIELD(ThreadContext *, TLS);
 
   // Private helpers for mangleName()
   typedef llvm::SmallVector<char, 32> ManglerVector;
   void incrementSubstitutions(ManglerVector &OldName) const;
+
+public:
+  static void TlsInit() { ICE_TLS_INIT_FIELD(TLS); }
 };
 
 // Helper class to push and pop a timer marker.  The constructor
 // pushes a marker, and the destructor pops it.  This is for
 // convenient timing of regions of code.
 class TimerMarker {
   TimerMarker(const TimerMarker &) = delete;
   TimerMarker &operator=(const TimerMarker &) = delete;
 
 public:
@@ skipping 30 matching lines @@
   explicit OstreamLocker(GlobalContext *Ctx) : Ctx(Ctx) { Ctx->lockStr(); }
   ~OstreamLocker() { Ctx->unlockStr(); }
 
 private:
   GlobalContext *const Ctx;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEGLOBALCONTEXT_H