Rename LoopSimplify.h to LoopUtils.h

As discussed, LoopUtils.h is a better name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182314 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/LoopSimplify.cpp b/lib/Transforms/Utils/LoopSimplify.cpp
index 1fbface..6d5f16c 100644
--- a/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/lib/Transforms/Utils/LoopSimplify.cpp
@@ -59,7 +59,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/Local.h"
-#include "llvm/Transforms/Utils/LoopSimplify.h"
+#include "llvm/Transforms/Utils/LoopUtils.h"
 using namespace llvm;
 
 STATISTIC(NumInserted, "Number of pre-header or exit blocks inserted");