[PATCH] D84468: [HotColdSplitting] Add SplittingDelta option to enable splitting more small blocks

Ruijie Fang via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 28 09:42:18 PDT 2020


rjf updated this revision to Diff 281263.
rjf added a comment.

Change default SplittingDelta to zero.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D84468/new/

https://reviews.llvm.org/D84468

Files:
  llvm/lib/Transforms/IPO/HotColdSplitting.cpp


Index: llvm/lib/Transforms/IPO/HotColdSplitting.cpp
===================================================================
--- llvm/lib/Transforms/IPO/HotColdSplitting.cpp
+++ llvm/lib/Transforms/IPO/HotColdSplitting.cpp
@@ -86,7 +86,7 @@
                                 "multiple of TCC_Basic)"));
 
 static cl::opt<int>
-    SplittingDelta("hotcoldsplit-delta", cl::init(5), cl::Hidden,
+    SplittingDelta("hotcoldsplit-delta", cl::init(0), cl::Hidden,
                    cl::desc("Allowance threshold for blocks with "
                             "Benefit - Penalty >= -Delta to be split. "));
 


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