Release build: guard dump functions with "ifndef NDEBUG"

No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163344 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/LoopInfo.cpp

@@ -306,9 +306,11 @@ BasicBlock *Loop::getUniqueExitBlock() const {
   return 0;
 }
 
+#ifndef NDEBUG
 void Loop::dump() const {
   print(dbgs());
 }
+#endif
 
 //===----------------------------------------------------------------------===//
 // UnloopUpdater implementation