diff --git a/llvm/test/Regression/Transforms/InstCombine/README.txt b/llvm/test/Regression/Transforms/InstCombine/README.txt
new file mode 100644
index 000000000000..de043c774891
--- /dev/null
+++ b/llvm/test/Regression/Transforms/InstCombine/README.txt
@@ -0,0 +1,4 @@
+This directory contains test cases for the instcombine transformation.  The
+dated tests are actual bug tests, whereas the named tests are used to test
+for features that the this pass should be capable of performing.
+