[Layering] Move InstVisitor.h into the IR library as it is pretty

obviously coupled to the IR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203064 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/LazyCallGraph.cpp

@@ -10,9 +10,9 @@
 #include "llvm/Analysis/LazyCallGraph.h"
 #include "llvm/ADT/SCCIterator.h"
 #include "llvm/IR/CallSite.h"
+#include "llvm/IR/InstVisitor.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/PassManager.h"
-#include "llvm/InstVisitor.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;