diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h
index 5d21d78f76f..ae4e6538786 100644
--- a/include/llvm/Transforms/Scalar.h
+++ b/include/llvm/Transforms/Scalar.h
@@ -247,6 +247,11 @@ FunctionPass *createLowerSwitchPass();
 //
 FunctionPass *createLowerSelectPass(bool OnlyFP = false);
 
+//===----------------------------------------------------------------------===//
+// This pass converts PackedType operations into low-level scalar operations.
+//
+FunctionPass *createLowerPackedPass();
+
 //===----------------------------------------------------------------------===//
 // This pass converts invoke and unwind instructions to use sjlj exception
 // handling mechanisms.  Note that after this pass runs the CFG is not entirely