diff --git a/include/llvm/Target/TargetTransformImpl.h b/include/llvm/Target/TargetTransformImpl.h
index e240cdf64a1..167fe53b3ac 100644
--- a/include/llvm/Target/TargetTransformImpl.h
+++ b/include/llvm/Target/TargetTransformImpl.h
@@ -30,7 +30,9 @@ private:
 
 public:
   /// Ctor
-  explicit ScalarTargetTransformImpl(const TargetLowering *TL): TLI(TL) {}
+  explicit ScalarTargetTransformImpl(const TargetLowering *TL) : TLI(TL) {}
+
+  virtual ~ScalarTargetTransformImpl() {}
 
   virtual bool isLegalAddImmediate(int64_t imm) const;