Release build: guard dump functions with "ifndef NDEBUG"

No functional change.

llvm-svn: 163339
diff --git a/llvm/lib/CodeGen/ScoreboardHazardRecognizer.cpp b/llvm/lib/CodeGen/ScoreboardHazardRecognizer.cpp
index e675366..5ca22b2 100644
--- a/llvm/lib/CodeGen/ScoreboardHazardRecognizer.cpp
+++ b/llvm/lib/CodeGen/ScoreboardHazardRecognizer.cpp
@@ -89,6 +89,7 @@
   ReservedScoreboard.reset();
 }
 
+#ifndef NDEBUG
 void ScoreboardHazardRecognizer::Scoreboard::dump() const {
   dbgs() << "Scoreboard:\n";
 
@@ -104,6 +105,7 @@
     dbgs() << '\n';
   }
 }
+#endif
 
 bool ScoreboardHazardRecognizer::atIssueLimit() const {
   if (IssueWidth == 0)