[LLVMdev] How does Timer work?

[Sanjiv]

I slightly modified the Kaleidoscope example to print the timing data using
the NamedRegionTimer as below:

  // Run the main "interpreter loop" now.
  {
  const char *GroupName = "MainLoop";
  NamedRegionTimer T("Kaleidoscope", GroupName, true);
  MainLoop();
  }

My assumption was that when T goes out of scope, it will emit the data on
the command line. But I see nothing.
How does NamedRegionTimer work ?

- sanjiv
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