diff --git a/llvm/include/llvm/Transforms/Utils/CodeMoverUtils.h b/llvm/include/llvm/Transforms/Utils/CodeMoverUtils.h
index 0f32a97f9fccf..4fd147a1f7b3b 100644
--- a/llvm/include/llvm/Transforms/Utils/CodeMoverUtils.h
+++ b/llvm/include/llvm/Transforms/Utils/CodeMoverUtils.h
@@ -9,6 +9,9 @@
 // This family of functions determine movements are safe on basic blocks, and
 // instructions contained within a function.
 //
+// Please note that this is work in progress, and the functionality is not
+// ready for broader production use.
+//
 //===----------------------------------------------------------------------===//
 
 #ifndef LLVM_TRANSFORMS_UTILS_CODEMOVERUTILS_H