diff --git a/test/Integer/a1.ll b/test/Integer/a1.ll
new file mode 100644
index 00000000000..5b9ad374ca1
--- /dev/null
+++ b/test/Integer/a1.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as %s -o - | llvm-dis > %t.ll
+; RUN: diff %t.ll %s.out
+
+; test 1 bit
+;
+%b = constant i1 add(i1 1 , i1 1)
+%c = constant i1 add(i1 -1, i1 1)
+%d = constant i1 add(i1 -1, i1 -1)
+%e = constant i1 sub(i1 -1, i1 1)
+%f = constant i1 sub(i1 1 , i1 -1)
+%g = constant i1 sub(i1 1 , i1 1)
+
+%h = constant i1 shl(i1 1 , i8 1)
+%i = constant i1 shl(i1 1 , i8 0)
+%j = constant i1 lshr(i1 1, i8 1)
+%m = constant i1 ashr(i1 1, i8 1)
+
+%n = constant i1 mul(i1 -1, i1 1)
+%o = constant i1 sdiv(i1 -1, i1 1)
+%p = constant i1 sdiv(i1 1 , i1 -1)
diff --git a/test/Integer/a1.ll.out b/test/Integer/a1.ll.out
new file mode 100644
index 00000000000..829839284c1
--- /dev/null
+++ b/test/Integer/a1.ll.out
@@ -0,0 +1,16 @@
+; ModuleID = '<stdin>'
+%b = constant i1 false		; <i1*> [#uses=0]
+%c = constant i1 false		; <i1*> [#uses=0]
+%d = constant i1 false		; <i1*> [#uses=0]
+%e = constant i1 false		; <i1*> [#uses=0]
+%f = constant i1 false		; <i1*> [#uses=0]
+%g = constant i1 false		; <i1*> [#uses=0]
+%h = constant i1 false		; <i1*> [#uses=0]
+%i = constant i1 true		; <i1*> [#uses=0]
+%j = constant i1 false		; <i1*> [#uses=0]
+%m = constant i1 true		; <i1*> [#uses=0]
+%n = constant i1 true		; <i1*> [#uses=0]
+%o = constant i1 true		; <i1*> [#uses=0]
+%p = constant i1 true		; <i1*> [#uses=0]
+
+implementation   ; Functions: