From: Sanjoy Das <sanjoy@playingwithpointers.com>
Date: Thu, 15 Sep 2016 01:56:58 +0000 (+0000)
Subject: [LangRef] Add a clarifying example for undef
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=81598633a405533751ab02d2265c4f4b601fbd18;p=llvm

[LangRef] Add a clarifying example for undef

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281570 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/docs/LangRef.rst b/docs/LangRef.rst
index 917a54622a8..e156245394e 100644
--- a/docs/LangRef.rst
+++ b/docs/LangRef.rst
@@ -2834,6 +2834,9 @@ bits. Any output bit can have a zero or one depending on the input bits.
     Safe:
       %A = -1
       %B = 0
+    Safe:
+      %A = %X  ;; By choosing undef as 0
+      %B = %X  ;; By choosing undef as -1
     Unsafe:
       %A = undef
       %B = undef