More testcases, which I'll implement later

llvm-svn: 7298
diff --git a/llvm/test/Regression/Transforms/InstCombine/add.ll b/llvm/test/Regression/Transforms/InstCombine/add.ll
index e3b9c98..10040f9 100644
--- a/llvm/test/Regression/Transforms/InstCombine/add.ll
+++ b/llvm/test/Regression/Transforms/InstCombine/add.ll
@@ -55,3 +55,8 @@
 	ret int %C
 }
 
+int %test9(int %A) {
+	%B = shl int %A, ubyte 4
+	%C = add int %B, %B      ; === shl int %A, 5
+	ret int %C
+}