diff --git a/test/Feature/fib.ll b/test/Feature/fib.ll
new file mode 100644
index 00000000000..7ea38cbfac0
--- /dev/null
+++ b/test/Feature/fib.ll
@@ -0,0 +1,28 @@
+implementation
+
+uint "fib"(uint %n)
+begin
+bb1:                                    ;[#uses=0]
+        %cond1000 = setgt uint %n, 1            ; <bool> [#uses=1]
+        br bool %cond1000, label %bb3, label %bb2
+
+bb2:                                    ;[#uses=1]
+        ret uint 1
+
+bb3:                                    ;[#uses=1]
+        %reg112 = sub uint %n, 2			; <uint> [#uses=1]
+        %reg113 = call uint %fib( uint %reg112 )        ; <uint> [#uses=1]
+        %reg115 = sub uint %n, 1			; <uint> [#uses=1]
+        %reg116 = call uint %fib( uint %reg115 )        ; <uint> [#uses=1]
+        %reg110 = add uint %reg113, %reg116             ; <uint> [#uses=1]
+        ret uint %reg110
+end
+
+int "main"(int %argc, sbyte * * %argv)
+begin
+bb1:                                    ;[#uses=0]
+        %reg109 = call uint %fib( uint 6 )              ; <uint> [#uses=1]
+        %cast1004 = cast uint %reg109 to int            ; <int> [#uses=1]
+        ret int %cast1004
+end
+