From 076277763d337e3939f0f98d157dc3d360c40da7 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Wed, 2 Sep 2009 01:14:16 +0000
Subject: [PATCH] Add a comment.

llvm-svn: 80749
---
 include/llvm/BasicBlock.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/llvm/BasicBlock.h b/include/llvm/BasicBlock.h
index 3f535076eaa..b497827fd69 100644
--- a/include/llvm/BasicBlock.h
+++ b/include/llvm/BasicBlock.h
@@ -231,6 +231,9 @@ public:
   /// 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 = "");
 };