[llvm-commits] [llvm] r80749 - /llvm/trunk/include/llvm/BasicBlock.h

[Dan Gohman]

Author: djg
Date: Tue Sep  1 20:14:16 2009
New Revision: 80749

URL: http://llvm.org/viewvc/llvm-project?rev=80749&view=rev
Log:
Add a comment.

Modified:
    llvm/trunk/include/llvm/BasicBlock.h

Modified: llvm/trunk/include/llvm/BasicBlock.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/BasicBlock.h?rev=80749&r1=80748&r2=80749&view=diff

==============================================================================
--- llvm/trunk/include/llvm/BasicBlock.h (original)
+++ llvm/trunk/include/llvm/BasicBlock.h Tue Sep  1 20:14:16 2009
@@ -231,6 +231,9 @@
   /// cause a degenerate basic block to be formed, having a terminator inside of
   /// the basic block).
   ///
+  /// Also note that this doesn't preserve any passes. To split blocks while
+  /// keeping loop information consistent, use the SplitBlock utility function.
+  ///
   BasicBlock *splitBasicBlock(iterator I, const Twine &BBName = "");
 };