[llvm-commits] [llvm] r103821 - /llvm/trunk/lib/CodeGen/RegAllocFast.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Fri May 14 16:55:50 2010
New Revision: 103821

URL: http://llvm.org/viewvc/llvm-project?rev=103821&view=rev
Log:
Count coalesced copies

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

Modified: llvm/trunk/lib/CodeGen/RegAllocFast.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocFast.cpp?rev=103821&r1=103820&r2=103821&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/RegAllocFast.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegAllocFast.cpp Fri May 14 16:55:50 2010
@@ -40,6 +40,7 @@
 
 STATISTIC(NumStores, "Number of stores added");
 STATISTIC(NumLoads , "Number of loads added");
+STATISTIC(NumCopies, "Number of copies coalesced");
 
 static RegisterRegAlloc
   fastRegAlloc("fast", "fast register allocator", createFastRegisterAllocator);
@@ -771,6 +772,7 @@
   // LiveVirtsRegs might refer to the instrs.
   for (unsigned i = 0, e = Coalesced.size(); i != e; ++i)
     MBB.erase(Coalesced[i]);
+  NumCopies += Coalesced.size();
 
   DEBUG(MBB.dump());
 }