diff --git a/llvm/lib/Transforms/Scalar/CMakeLists.txt b/llvm/lib/Transforms/Scalar/CMakeLists.txt
index 68c017b9be98..106fb8f3c833 100644
--- a/llvm/lib/Transforms/Scalar/CMakeLists.txt
+++ b/llvm/lib/Transforms/Scalar/CMakeLists.txt
@@ -6,6 +6,7 @@ add_llvm_library(LLVMScalarOpts
   CorrelatedValuePropagation.cpp
   DCE.cpp
   DeadStoreElimination.cpp
+  EarlyCSE.cpp
   GEPSplitter.cpp
   GVN.cpp
   IndVarSimplify.cpp