From: Bill Wendling <isanbard@gmail.com>
Date: Tue, 11 May 2010 01:33:39 +0000 (+0000)
Subject: Don't create a StringRef with a NULL value.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3cbae239bb6f6f23167482cc130081d717eedc6e;p=oota-llvm.git

Don't create a StringRef with a NULL value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103455 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/SubtargetFeature.cpp b/lib/Target/SubtargetFeature.cpp
index 035e64a017b..113cd5b7b3e 100644
--- a/lib/Target/SubtargetFeature.cpp
+++ b/lib/Target/SubtargetFeature.cpp
@@ -389,6 +389,8 @@ void SubtargetFeatures::getDefaultSubtargetFeatures(const std::string &CPU,
     break;
   }
 
+  if (!Attrs) return;
+
   StringRef SR(Attrs);
 
   while (!SR.empty()) {