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
diff --git a/lib/Analysis/DbgInfoPrinter.cpp b/lib/Analysis/DbgInfoPrinter.cpp
index b90a996..7d72b38 100644
--- a/lib/Analysis/DbgInfoPrinter.cpp
+++ b/lib/Analysis/DbgInfoPrinter.cpp
@@ -19,6 +19,7 @@
 #include "llvm/Pass.h"
 #include "llvm/Function.h"
 #include "llvm/IntrinsicInst.h"
+#include "llvm/Metadata.h"
 #include "llvm/Assembly/Writer.h"
 #include "llvm/Analysis/DebugInfo.h"
 #include "llvm/Analysis/Passes.h"