Subzero: Disable stats and timers under the MINIMAL 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 143 matching lines @@
 
   const Intrinsics &getIntrinsicsInfo() const { return IntrinsicsInfo; }
 
   // 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() { StatsFunction.reset(); }
+  void resetStats() {
+    if (ALLOW_DUMP)
+      StatsFunction.reset();
+  }
   void dumpStats(const IceString &Name, bool Final = false);
   void statsUpdateEmitted(uint32_t InstCount) {
+    if (!ALLOW_DUMP)
+      return;
     StatsFunction.updateEmitted(InstCount);
     StatsCumulative.updateEmitted(InstCount);
   }
   void statsUpdateRegistersSaved(uint32_t Num) {
+    if (!ALLOW_DUMP)
+      return;
     StatsFunction.updateRegistersSaved(Num);
     StatsCumulative.updateRegistersSaved(Num);
   }
   void statsUpdateFrameBytes(uint32_t Bytes) {
+    if (!ALLOW_DUMP)
+      return;
     StatsFunction.updateFrameBytes(Bytes);
     StatsCumulative.updateFrameBytes(Bytes);
   }
   void statsUpdateSpills() {
+    if (!ALLOW_DUMP)
+      return;
     StatsFunction.updateSpills();
     StatsCumulative.updateSpills();
   }
   void statsUpdateFills() {
+    if (!ALLOW_DUMP)
+      return;
     StatsFunction.updateFills();
     StatsCumulative.updateFills();
   }
 
   // These are predefined TimerStackIdT values.
   enum TimerStackKind {
     TSK_Default = 0,
     TSK_Funcs,
     TSK_Num
   };
@@ skipping 34 matching lines @@
 
 // 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:
   TimerMarker(TimerIdT ID, GlobalContext *Ctx)
-      : ID(ID), Ctx(Ctx), Active(Ctx->getFlags().SubzeroTimingEnabled) {
-    if (Active)
-      Ctx->pushTimer(ID);
+      : ID(ID), Ctx(Ctx), Active(false) {
+    if (ALLOW_DUMP) {
+      Active = Ctx->getFlags().SubzeroTimingEnabled;
+      if (Active)
+        Ctx->pushTimer(ID);
+    }
   }
   TimerMarker(TimerIdT ID, const Cfg *Func);
 
   ~TimerMarker() {
-    if (Active)
+    if (ALLOW_DUMP && Active)
       Ctx->popTimer(ID);
   }
 
 private:
   TimerIdT ID;
   GlobalContext *const Ctx;
-  const bool Active;
+  bool Active;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEGLOBALCONTEXT_H