JIT: Add a metric for inverted loops (#111120)

jakobbotsch · web-flow · commit 5824c47d7704 · 2025-01-06T17:16:43.000+01:00
diff --git a/src/coreclr/jit/jitmetadatalist.h b/src/coreclr/jit/jitmetadatalist.h
@@ -35,6 +35,7 @@ JITMETADATAMETRIC(GCInfoBytes,                           int,              JIT_M
 JITMETADATAMETRIC(EHClauseCount,                         int,              0)
 JITMETADATAMETRIC(PhysicallyPromotedFields,              int,              0)
 JITMETADATAMETRIC(LoopsFoundDuringOpts,                  int,              0)
+JITMETADATAMETRIC(LoopsInverted,                         int,              0)
 JITMETADATAMETRIC(LoopsCloned,                           int,              0)
 JITMETADATAMETRIC(LoopsUnrolled,                         int,              0)
 JITMETADATAMETRIC(LoopAlignmentCandidates,               int,              0)
diff --git a/src/coreclr/jit/optimizer.cpp b/src/coreclr/jit/optimizer.cpp
@@ -2338,6 +2338,7 @@ bool Compiler::optInvertWhileLoop(BasicBlock* block)
     }
 #endif // DEBUG
 
+    Metrics.LoopsInverted++;
     return true;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -2338,6 +2338,7 @@ bool Compiler::optInvertWhileLoop(BasicBlock* block)`
`2338`	`2338`	`}`
`2339`	`2339`	`#endif // DEBUG`
`2340`	`2340`
	`2341`	`+ Metrics.LoopsInverted++;`
`2341`	`2342`	`return true;`
`2342`	`2343`	`}`
`2343`	`2344`