diff --git a/lib/Analysis/AssumptionCache.cpp b/lib/Analysis/AssumptionCache.cpp
index bc0cdc4c4c7..fdde5eac16b 100644
--- a/lib/Analysis/AssumptionCache.cpp
+++ b/lib/Analysis/AssumptionCache.cpp
@@ -102,13 +102,12 @@ findAffectedValues(CallInst *CI,
         }
 
         Value *B;
-        ConstantInt *C;
         // (A & B) or (A | B) or (A ^ B).
         if (match(V, m_BitwiseLogic(m_Value(A), m_Value(B)))) {
           AddAffected(A);
           AddAffected(B);
         // (A << C) or (A >>_s C) or (A >>_u C) where C is some constant.
-        } else if (match(V, m_Shift(m_Value(A), m_ConstantInt(C)))) {
+        } else if (match(V, m_Shift(m_Value(A), m_ConstantInt()))) {
           AddAffected(A);
         }
       };