add a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100490 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/SourceMgr.h b/include/llvm/Support/SourceMgr.h
index fd56b16639cbade317dfc25ecdb4b4d70e6a4305..158e7c9f42654f708d3195d7797c6a2a6a62c63f 100644 (file)
--- a/include/llvm/Support/SourceMgr.h
+++ b/include/llvm/Support/SourceMgr.h
@@ -76,6 +76,8 @@ public:
     return Buffers[i].IncludeLoc;
   }
 
+  /// AddNewSourceBuffer - Add a new source buffer to this source manager.  This
+  /// takes ownership of the memory buffer.
   unsigned AddNewSourceBuffer(MemoryBuffer *F, SMLoc IncludeLoc) {
     SrcBuffer NB;
     NB.Buffer = F;