Subzero: Improve the output with the --timing-focus=xxx option.

src/IceCfg.cpp

 //===- subzero/src/IceCfg.cpp - Control flow graph implementation ---------===//
 //
 //                        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 Cfg class, including constant pool
@@ skipping 53 matching lines @@
 
 // Returns whether the stack frame layout has been computed yet.  This
 // is used for dumping the stack frame location of Variables.
 bool Cfg::hasComputedFrame() const { return getTarget()->hasComputedFrame(); }
 
 void Cfg::translate() {
   if (hasError())
     return;
   VerboseMask OldVerboseMask = getContext()->getVerbose();
   const IceString &TimingFocusOn = getContext()->getFlags().TimingFocusOn;
-  if (TimingFocusOn == "*" || TimingFocusOn == getFunctionName())
+  if (TimingFocusOn == "*" || TimingFocusOn == getFunctionName()) {
     setFocusedTiming();
+    getContext()->resetTimer(GlobalContext::TSK_Default);
+    getContext()->setTimerName(GlobalContext::TSK_Default, getFunctionName());
+  }
   bool VerboseFocus =
       (getContext()->getFlags().VerboseFocusOn == getFunctionName());
   if (VerboseFocus)
     getContext()->setVerbose(IceV_All);
   TimerMarker T(TimerStack::TT_translate, this);
 
   dump("Initial CFG");
 
   // The set of translation passes and their order are determined by
   // the target.
@@ skipping 285 matching lines @@
     }
   }
   // Print each basic block
   for (CfgNode *Node : Nodes)
     Node->dump(this);
   if (getContext()->isVerbose(IceV_Instructions))
     Str << "}\n";
 }
 
 } // end of namespace Ice