New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2630 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/Reassociate/2002-05-15-AgressiveSubMove.ll

@@ -0,0 +1,11 @@
+; RUN: if as < %s | opt -reassociate -instcombine | dis | grep add
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+int "test"(int %A) {
+	%X = add int %A, 1
+	%Y = add int %A, 1
+	%r = sub int %X, %Y
+	ret int %r               ; Should be equal to 0!
+}