diff --git a/test/Transforms/InstCombine/sub.ll b/test/Transforms/InstCombine/sub.ll
index 59dc5bd06ea..801991212ae 100644
--- a/test/Transforms/InstCombine/sub.ll
+++ b/test/Transforms/InstCombine/sub.ll
@@ -86,3 +86,11 @@ uint %test13(uint %A) {
 	%C = sub uint 0, %B        ; == sar A, 31
 	ret uint %C
 }
+
+int %test14(uint %A) {
+        %B = shr uint %A, ubyte 31
+        %C = cast uint %B to int
+        %D = sub int 0, %C
+        ret int %D
+}
+