[llvm-commits] [llvm] r132748 - /llvm/trunk/lib/CodeGen/TailDuplication.cpp

Rafael Espindola rafael.espindola at gmail.com
Wed Jun 8 07:13:31 PDT 2011


Author: rafael
Date: Wed Jun  8 09:13:31 2011
New Revision: 132748

URL: http://llvm.org/viewvc/llvm-project?rev=132748&view=rev
Log:
Count how many phis we are creating.

Modified:
    llvm/trunk/lib/CodeGen/TailDuplication.cpp

Modified: llvm/trunk/lib/CodeGen/TailDuplication.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/TailDuplication.cpp?rev=132748&r1=132747&r2=132748&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/TailDuplication.cpp (original)
+++ llvm/trunk/lib/CodeGen/TailDuplication.cpp Wed Jun  8 09:13:31 2011
@@ -34,6 +34,7 @@
 STATISTIC(NumTailDups  , "Number of tail duplicated blocks");
 STATISTIC(NumInstrDups , "Additional instructions due to tail duplication");
 STATISTIC(NumDeadBlocks, "Number of dead blocks removed");
+STATISTIC(NumAddedPHIs , "Number of phis added");
 
 // Heuristic for tail duplication.
 static cl::opt<unsigned>
@@ -246,6 +247,7 @@
           }
         }
 
+        NumAddedPHIs += NewPHIs.size();
         SSAUpdateVRs.clear();
         SSAUpdateVals.clear();
       }





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