Turning simple splitting on. Start testing new coalescer heuristics as new llcbeta.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44660 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 9262734..d151da3 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -42,7 +42,7 @@
                               cl::init(false), cl::Hidden);
 
   cl::opt<bool> SplitAtBB("split-intervals-at-bb", 
-                          cl::init(false), cl::Hidden);
+                          cl::init(true), cl::Hidden);
   cl::opt<int> SplitLimit("split-limit",
                           cl::init(-1), cl::Hidden);
 }