diff --git a/llvm/lib/Transforms/IPO/CMakeLists.txt b/llvm/lib/Transforms/IPO/CMakeLists.txt
index c8d4ec67006f..f168083324e2 100644
--- a/llvm/lib/Transforms/IPO/CMakeLists.txt
+++ b/llvm/lib/Transforms/IPO/CMakeLists.txt
@@ -15,6 +15,7 @@ add_llvm_library(LLVMipo
   IPConstantPropagation.cpp
   LoopExtractor.cpp
   LowerSetJmp.cpp
+  MergeFunctions.cpp
   PartialSpecialization.cpp
   PruneEH.cpp
   RaiseAllocations.cpp