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@@ -1137,6 +1137,9 @@ void Compiler::optReplaceWidenedIV(unsigned lclNum, unsigned newLclNum, Statemen
     }
 }
 
+static Counter s_widened;
+static DumpOnShutdown d("Widened IVs", &s_widened);
+
 //------------------------------------------------------------------------
 // optInductionVariables: Try and optimize induction variables in the method.
 //
@@ -1275,6 +1278,7 @@ PhaseStatus Compiler::optInductionVariables()
             });
 
             changed |= optSinkWidenedIV(lcl->GetLclNum(), newLclNum, loop);
+            s_widened.Value++;
         }
     }

oh, didn't know Dumpable existed, I always used just a plain fopen/fprintf 🙂

cc @dotnet/jit-contrib PTAL @AndyAyersMS

oh, didn't know Dumpable existed, I always used just a plain fopen/fprintf 🙂

These convenience types are a bit new, I added them in #92112. I frequently use them to do quick adhoc measurements of stats

At some point we ought to reconsider our approach: in-jit aggregation vs external aggregation. I get the appeal of the former (no extra step required!) but I frequently find I prefer the latter (via say JitMetrics=1.

But that's no reason to hold up this PR...