diff --git a/test/Transforms/LoopSimplify/2006-08-11-LoopSimplifyLongTime.ll b/test/Transforms/LoopSimplify/2006-08-11-LoopSimplifyLongTime.ll
new file mode 100644
index 00000000000..75c80282601
--- /dev/null
+++ b/test/Transforms/LoopSimplify/2006-08-11-LoopSimplifyLongTime.ll
@@ -0,0 +1,5 @@
+; This used to take hours to loop simplify.
+; RUN: opt %s.bc -loopsimplify -disable-output
+
+; Note, the input is actually in the accompanying .bc file to save space.
+
diff --git a/test/Transforms/LoopSimplify/2006-08-11-LoopSimplifyLongTime.ll.bc b/test/Transforms/LoopSimplify/2006-08-11-LoopSimplifyLongTime.ll.bc
new file mode 100644
index 00000000000..0c51a28eb9e
Binary files /dev/null and b/test/Transforms/LoopSimplify/2006-08-11-LoopSimplifyLongTime.ll.bc differ