From ae92af6771f0a87b380706bc20e69d90bc0c1818 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 25 Oct 2010 20:22:29 +0000
Subject: [PATCH] Only read one bit for testing for a readonly type, leaving
 the other bits open for future uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117301 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/TypeBasedAliasAnalysis.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/Analysis/TypeBasedAliasAnalysis.cpp b/lib/Analysis/TypeBasedAliasAnalysis.cpp
index 9e8f503e4fd..f2fe35db33f 100644
--- a/lib/Analysis/TypeBasedAliasAnalysis.cpp
+++ b/lib/Analysis/TypeBasedAliasAnalysis.cpp
@@ -102,8 +102,7 @@ namespace {
       ConstantInt *CI = dyn_cast<ConstantInt>(Node->getOperand(2));
       if (!CI)
         return false;
-      // TODO: Think about the encoding.
-      return CI->isOne();
+      return CI->getValue()[0];
     }
   };
 }
-- 
2.34.1