diff --git a/mlir/CMakeLists.txt b/mlir/CMakeLists.txt
--- a/mlir/CMakeLists.txt
+++ b/mlir/CMakeLists.txt
@@ -30,6 +30,8 @@
   set(CMAKE_LIBRARY_OUTPUT_DIRECTORY
     "${CMAKE_CURRENT_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}")
   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
+
+  set(LLVM_LIT_ARGS "-sv" CACHE STRING "Default options for lit")
 endif()
 
 set(MLIR_TOOLS_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH