diff --git a/src/IceTargetLowering.h b/src/IceTargetLowering.h
index 2c7adc8..88de3d5 100644
--- a/src/IceTargetLowering.h
+++ b/src/IceTargetLowering.h
@@ -387,6 +387,7 @@
   virtual void lowerPhi(const InstPhi *Instr) = 0;
   virtual void lowerRet(const InstRet *Instr) = 0;
   virtual void lowerSelect(const InstSelect *Instr) = 0;
+  virtual void lowerShuffleVector(const InstShuffleVector *Instr) = 0;
   virtual void lowerStore(const InstStore *Instr) = 0;
   virtual void lowerSwitch(const InstSwitch *Instr) = 0;
   virtual void lowerUnreachable(const InstUnreachable *Instr) = 0;