diff --git a/mlir/lib/Transforms/CMakeLists.txt b/mlir/lib/Transforms/CMakeLists.txt
index 9aa9c3785d05..96b2300da218 100644
--- a/mlir/lib/Transforms/CMakeLists.txt
+++ b/mlir/lib/Transforms/CMakeLists.txt
@@ -17,6 +17,7 @@ add_llvm_library(MLIRTransforms
   SimplifyAffineStructures.cpp
   StripDebugInfo.cpp
   TestConstantFold.cpp
+  TestLoopFusion.cpp
   Utils/FoldUtils.cpp
   Utils/GreedyPatternRewriteDriver.cpp
   Utils/LoopFusionUtils.cpp