From: Chris Lattner <sabre@nondot.org>
Date: Tue, 28 Dec 2010 18:45:02 +0000 (+0000)
Subject: add a note from llvmdev
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1dc5db2bebef06a94244bcd8e4415b85766c07a7;p=oota-llvm.git

add a note from llvmdev


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122603 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index c9561660b1c..ec5c412765f 100644
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -2065,3 +2065,14 @@ entry:
 }
 
 //===---------------------------------------------------------------------===//
+
+This compare could fold to false:
+
+define i1 @g(i32 a) nounwind readnone {
+       %add = shl i32 %a, 1
+       %mul = shl i32 %a, 1
+       %cmp = icmp ugt i32 %add, %mul
+       ret i1 %cmp
+}
+
+//===---------------------------------------------------------------------===//