Fix typo in comment.

llvm-svn: 36873
diff --git a/llvm/lib/Transforms/Utils/LoopSimplify.cpp b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
index c88ba17..badfb46 100644
--- a/llvm/lib/Transforms/Utils/LoopSimplify.cpp
+++ b/llvm/lib/Transforms/Utils/LoopSimplify.cpp
@@ -54,7 +54,7 @@
 
 namespace {
   struct VISIBILITY_HIDDEN LoopSimplify : public FunctionPass {
-    static char ID; // Pass identifcation, replacement for typeid
+    static char ID; // Pass identification, replacement for typeid
     LoopSimplify() : FunctionPass((intptr_t)&ID) {}
 
     // AA - If we have an alias analysis object to update, this is it, otherwise