Index: utils/lit/README.txt
===================================================================
--- utils/lit/README.txt
+++ utils/lit/README.txt
@@ -22,3 +22,18 @@
 You will need to have built LLVM tools in order to run lit's test suite
 successfully.
 
+You'll also want to confirm that lit continues to work when testing LLVM.
+Follow the instructions in http://llvm.org/docs/TestingGuide.html to run the
+regression test suite:
+
+    make check-llvm
+
+And be sure to run the llvm-lit wrapper script as well:
+
+    /path/to/your/llvm/build/bin/llvm-lit utils/lit/tests
+
+Finally, make sure lit works when installed via setuptools:
+
+    python utils/lit/setup.py install
+    lit --path /path/to/your/llvm/build/bin utils/lit/tests
+