Add new testcase for general constant prop.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2457 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/ConstProp/2002-05-03-NotOperator.ll

@@ -0,0 +1,18 @@
+; This bug has to do with the fact that constant propogation was implemented in
+; terms of _logical_ not (! in C) instead of _bitwise_ not (~ in C).  This was
+; due to a spec change.
+
+; RUN: if as < %s | opt -constprop | dis | grep 'int 0'
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+int "test1"() {
+	%R = not int 123
+	ret int %R
+}
+
+int "test2"() {
+	%R = not int -123
+	ret int %R
+}