From: Dan Gohman <gohman@apple.com>
Date: Mon, 25 Oct 2010 20:22:29 +0000 (+0000)
Subject: Only read one bit for testing for a readonly type, leaving the other
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=ae92af6771f0a87b380706bc20e69d90bc0c1818

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
---

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];
     }
   };
 }