[llvm-commits] [llvm] r52930 - /llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

[Chris Lattner]

On Jun 30, 2008, at 3:10 PM, Evan Cheng wrote:
> URL: http://llvm.org/viewvc/llvm-project?rev=52930&view=rev
> Log:
> Add timing report for various sub-passes under SelectionDAGISel.

Nifty.

> void SelectionDAGISel::CodeGenAndEmitDAG(SelectionDAG &DAG) {
> +  NamedRegionTimer *RegionTimer = 0;
> +
>   DOUT << "Lowered selection DAG:\n";
>   DEBUG(DAG.dump());
>
>   // Run the DAG combiner in pre-legalize mode.
> +  if (TimePassesIsEnabled)
> +    RegionTimer = new NamedRegionTimer("DAG Combining 1");
>   DAG.Combine(false, *AA);
> +  if (TimePassesIsEnabled)
> +    delete RegionTimer;

How about:

   if (TimePassesIsEnabled) {
     NamedRegionTimer T("DAG Combining 1");
     DAG.Combine(false, *AA);
   } else {
     DAG.Combine(false, *AA);
   }

?

-Chris