Index: llvm/lib/Transforms/Utils/SimplifyCFG.cpp
===================================================================
--- llvm/lib/Transforms/Utils/SimplifyCFG.cpp
+++ llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -145,7 +145,7 @@
 
 static cl::opt<bool>
     CanonicalizeBranchPredicates("simplifycfg-canonicalize-branch-predicates",
-                                 cl::Hidden, cl::init(false),
+                                 cl::Hidden, cl::init(true),
                                  cl::desc("Canonicalize branch predicates"));
 
 STATISTIC(NumBitMaps, "Number of switch instructions turned into bitmaps");