[Modules] Move GetElementPtrTypeIterator into the IR library. As its

name might indicate, it is an iterator over the types in an instruction
in the IR.... You see where this is going.

Another step of modularizing the support library.

llvm-svn: 202815

llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp

@@ -15,7 +15,7 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Analysis/InstructionSimplify.h"
 #include "llvm/IR/DataLayout.h"
-#include "llvm/Support/GetElementPtrTypeIterator.h"
+#include "llvm/IR/GetElementPtrTypeIterator.h"
 #include "llvm/Support/PatternMatch.h"
 using namespace llvm;
 using namespace PatternMatch;