New testcases

llvm-svn: 16547
diff --git a/llvm/test/Regression/Transforms/InstCombine/shift.ll b/llvm/test/Regression/Transforms/InstCombine/shift.ll
index 12bc2cd..e4f1bfb 100644
--- a/llvm/test/Regression/Transforms/InstCombine/shift.ll
+++ b/llvm/test/Regression/Transforms/InstCombine/shift.ll
@@ -145,3 +145,16 @@
 	%C = seteq sbyte %B, 123    ;; false
 	ret bool %C
 }
+
+bool %test21(ubyte %A) {
+	%B = shl ubyte %A, ubyte 4
+	%C = seteq ubyte %B, 128
+	ret bool %C
+}
+
+bool %test22(ubyte %A) {
+	%B = shl ubyte %A, ubyte 4
+	%C = seteq ubyte %B, 0
+	ret bool %C
+}
+