[PATCH] D25048: Tune isHotFunction/isColdFunction

Dehao Chen via llvm-commits llvm-commits at lists.llvm.org
Mon Oct 10 14:57:36 PDT 2016


danielcdh updated this revision to Diff 74178.
danielcdh added a comment.

rebase


https://reviews.llvm.org/D25048

Files:
  lib/Analysis/ProfileSummaryInfo.cpp


Index: lib/Analysis/ProfileSummaryInfo.cpp
===================================================================
--- lib/Analysis/ProfileSummaryInfo.cpp
+++ lib/Analysis/ProfileSummaryInfo.cpp
@@ -74,9 +74,7 @@
   // FIXME: The heuristic used below for determining hotness is based on
   // preliminary SPEC tuning for inliner. This will eventually be a
   // convenience method that calls isHotCount.
-  return (FunctionCount &&
-          FunctionCount.getValue() >=
-              (uint64_t)(0.3 * (double)Summary->getMaxFunctionCount()));
+  return FunctionCount && isHotCount(FunctionCount.getValue());
 }
 
 /// Returns true if the function's entry is a cold. If it returns false, it
@@ -95,9 +93,7 @@
   // FIXME: The heuristic used below for determining coldness is based on
   // preliminary SPEC tuning for inliner. This will eventually be a
   // convenience method that calls isHotCount.
-  return (FunctionCount &&
-          FunctionCount.getValue() <=
-              (uint64_t)(0.01 * (double)Summary->getMaxFunctionCount()));
+  return FunctionCount && isColdCount(FunctionCount.getValue());
 }
 
 /// Compute the hot and cold thresholds.


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