Mention Loop Index Split


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42405 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CREDITS.TXT b/CREDITS.TXT
index cf05f8e..910bd97 100644
--- a/CREDITS.TXT
+++ b/CREDITS.TXT
@@ -206,7 +206,7 @@
 E: dpatel@apple.com
 D: LTO tool, PassManager rewrite, Loop Pass Manager, Loop Rotate
 D: GCC PCH Integration (llvm-gcc), llvm-gcc improvements
-D: Optimizer improvements
+D: Optimizer improvements, Loop Index Split
 
 N: Vladimir Prus
 W: http://vladimir_prus.blogspot.com