fix Analysis/DebugInfo.h to not include Metadata.h. Do this

by moving one method out of line and eliminating redundant checks
from other methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92337 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Utils/CloneFunction.cpp

@@ -21,6 +21,7 @@
 #include "llvm/GlobalVariable.h"
 #include "llvm/Function.h"
 #include "llvm/LLVMContext.h"
+#include "llvm/Metadata.h"
 #include "llvm/Support/CFG.h"
 #include "llvm/Transforms/Utils/ValueMapper.h"
 #include "llvm/Analysis/ConstantFolding.h"