From a783c02749eb8aa1bc79248a622fd34faebe1b71 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 16 Feb 2004 01:19:52 +0000
Subject: [PATCH] Test for xor chains

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11489 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Transforms/InstCombine/xor.ll | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/Transforms/InstCombine/xor.ll b/test/Transforms/InstCombine/xor.ll
index 172da6062fd..29f0f10fddf 100644
--- a/test/Transforms/InstCombine/xor.ll
+++ b/test/Transforms/InstCombine/xor.ll
@@ -122,3 +122,9 @@ uint %test18(uint %A) {             ; C - ~X == X + (1+C)
 	%C = sub uint 123, %B
 	ret uint %C
 }
+
+uint %test19(uint %A, uint %B) {
+	%C = xor uint %A, %B
+	%D = xor uint %C, %A  ; A terms cancel, D = B
+	ret uint %D
+}