From 532516a87bc57f21e6d99f49548e4c2adf835551 Mon Sep 17 00:00:00 2001
From: Nuno Lopes <nunoplopes@sapo.pt>
Date: Thu, 28 Jun 2012 00:59:33 +0000
Subject: fix a off-by-one bug in intersectWith(), and add a bunch of tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159319 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/ConstantRange.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/Support/ConstantRange.cpp')

diff --git a/lib/Support/ConstantRange.cpp b/lib/Support/ConstantRange.cpp
index e7d8483128..61d333f24a 100644
--- a/lib/Support/ConstantRange.cpp
+++ b/lib/Support/ConstantRange.cpp
@@ -316,7 +316,7 @@ ConstantRange ConstantRange::intersectWith(const ConstantRange &CR) const {
 
     return CR;
   }
-  if (CR.Upper.ult(Lower)) {
+  if (CR.Upper.ule(Lower)) {
     if (CR.Lower.ult(Lower))
       return *this;
 
-- 
cgit v1.2.3