diff --git a/lib/CodeGen/CMakeLists.txt b/lib/CodeGen/CMakeLists.txt
index fed323742c4..a186b0538f3 100644
--- a/lib/CodeGen/CMakeLists.txt
+++ b/lib/CodeGen/CMakeLists.txt
@@ -47,6 +47,7 @@ add_llvm_library(LLVMCodeGen
   ScheduleDAGPrinter.cpp
   ShadowStackGC.cpp
   SimpleRegisterCoalescing.cpp
+  Spiller.cpp
   StackProtector.cpp
   StackSlotColoring.cpp
   StrongPHIElimination.cpp