diff --git a/llvm/utils/lit/lit/llvm/config.py b/llvm/utils/lit/lit/llvm/config.py
--- a/llvm/utils/lit/lit/llvm/config.py
+++ b/llvm/utils/lit/lit/llvm/config.py
@@ -25,10 +25,11 @@
             path = None
             lit_tools_dir = getattr(config, 'lit_tools_dir', None)
             required_tools = ['cmp.exe', 'grep.exe', 'sed.exe', 'diff.exe', 'echo.exe']
-            if lit_tools_dir:
-                path = self.lit_config.getToolsPath(lit_tools_dir,
-                                                    config.environment['PATH'],
-                                                    required_tools)
+
+            path = self.lit_config.getToolsPath(lit_tools_dir,
+                                                config.environment['PATH'],
+                                                required_tools)
+
             if path is None:
                 path = self._find_git_windows_unix_tools(required_tools)
             if path is not None: