diff --git a/test/Transforms/InstCombine/add.ll b/test/Transforms/InstCombine/add.ll
index 6359dde0bf2..8868929ff64 100644
--- a/test/Transforms/InstCombine/add.ll
+++ b/test/Transforms/InstCombine/add.ll
@@ -169,3 +169,11 @@ int %test24(int %A) {
 	%D = sub int %C, 2
 	ret int %D             ;; A << 1
 }
+
+long %test25(long %Y) {
+        %tmp.4 = shl long %Y, ubyte 2
+        %tmp.12 = shl long %Y, ubyte 2
+        %tmp.8 = add long %tmp.4, %tmp.12 ;; Y << 3
+        ret long %tmp.8
+}
+
diff --git a/test/Transforms/InstCombine/sub.ll b/test/Transforms/InstCombine/sub.ll
index ae0a120cdd3..7a8f2acad9f 100644
--- a/test/Transforms/InstCombine/sub.ll
+++ b/test/Transforms/InstCombine/sub.ll
@@ -111,3 +111,11 @@ int %test17(int %A) {
 	%C = div int %B, 1234
 	ret int %C
 }
+
+long %test18(long %Y) {
+        %tmp.4 = shl long %Y, ubyte 2
+        %tmp.12 = shl long %Y, ubyte 2
+        %tmp.8 = sub long %tmp.4, %tmp.12 ;; 0
+        ret long %tmp.8
+}
+