Fix the regressions on sext-misc.ll my patch yesterday caused.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52466 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 802102c..4409380 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -1343,6 +1343,7 @@
       }
       }
     }
+    ComputeMaskedBits(V, DemandedMask, RHSKnownZero, RHSKnownOne, Depth);
     break;
   }