commit 304376651e85a6f84055ffa0b42517f8631e7f6b
author Ted Kremenek <kremenek@apple.com> Thu May 14 21:29:16 2009 +0000
committer Ted Kremenek <kremenek@apple.com> Thu May 14 21:29:16 2009 +0000
tree 7fd348a91beb781fe93886761944801b9733bb24
parent b5133c279f86e04f71c9dd5d581ecfedf1f5e7eb

Fix <rdar://problem/6859457> [NSData dataWithBytesNoCopy] does not return a retained object.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71797 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/CFRefCount.cpp

diff --git a/lib/Analysis/CFRefCount.cpp b/lib/Analysis/CFRefCount.cpp
index e00ede0..4b2c394 100644
--- a/lib/Analysis/CFRefCount.cpp
+++ b/lib/Analysis/CFRefCount.cpp
@@ -1338,6 +1338,15 @@
                     "withObject", "waitUntilDone", "modes", NULL);
   addClsMethSummary(NSObjectII, Summ, "performSelectorInBackground",
                     "withObject", NULL);
+  
+  // Specially handle NSData.
+  RetainSummary *dataWithBytesNoCopySumm =
+    getPersistentSummary(RetEffect::MakeNotOwned(RetEffect::ObjC), DoNothing,
+                         DoNothing);
+  addClsMethSummary("NSData", dataWithBytesNoCopySumm,
+                    "dataWithBytesNoCopy", "length", NULL);
+  addClsMethSummary("NSData", dataWithBytesNoCopySumm,
+                    "dataWithBytesNoCopy", "length", "freeWhenDone", NULL);
 }
 
 void RetainSummaryManager::InitializeMethodSummaries() {