1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index d53a46ee02..66dd2c954e 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -2562,7 +2562,7 @@ static bool EliminateDeadSwitchCases(SwitchInst *SI) {
   Value *Cond = SI->getCondition();
   unsigned Bits = cast<IntegerType>(Cond->getType())->getBitWidth();
   APInt KnownZero(Bits, 0), KnownOne(Bits, 0);
-  ComputeMaskedBits(Cond, APInt::getAllOnesValue(Bits), KnownZero, KnownOne);
+  ComputeMaskedBits(Cond, KnownZero, KnownOne);
 
   // Gather dead cases.
   SmallVector<ConstantInt*, 8> DeadCases;