diff --git a/llvm/utils/TableGen/CodeGenDAGPatterns.h b/llvm/utils/TableGen/CodeGenDAGPatterns.h
--- a/llvm/utils/TableGen/CodeGenDAGPatterns.h
+++ b/llvm/utils/TableGen/CodeGenDAGPatterns.h
@@ -338,11 +338,7 @@
 
   struct ValidateOnExit {
     ValidateOnExit(TypeSetByHwMode &T, TypeInfer &TI) : Infer(TI), VTS(T) {}
-  #ifndef NDEBUG
     ~ValidateOnExit();
-  #else
-    ~ValidateOnExit() {}  // Empty destructor with NDEBUG.
-  #endif
     TypeInfer &Infer;
     TypeSetByHwMode &VTS;
   };
diff --git a/llvm/utils/TableGen/CodeGenDAGPatterns.cpp b/llvm/utils/TableGen/CodeGenDAGPatterns.cpp
--- a/llvm/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/llvm/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -355,15 +355,12 @@
 }
 
 bool TypeSetByHwMode::validate() const {
-#ifndef NDEBUG
   if (empty())
     return true;
   bool AllEmpty = true;
   for (const auto &I : *this)
     AllEmpty &= I.second.empty();
   return !AllEmpty;
-#endif
-  return true;
 }
 
 // --- TypeInfer
@@ -888,22 +885,22 @@
   return LegalCache;
 }
 
-#ifndef NDEBUG
 TypeInfer::ValidateOnExit::~ValidateOnExit() {
   if (Infer.Validate && !VTS.validate()) {
-    dbgs() << "Type set is empty for each HW mode:\n"
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+    errs() << "Type set is empty for each HW mode:\n"
               "possible type contradiction in the pattern below "
               "(use -print-records with llvm-tblgen to see all "
               "expanded records).\n";
     Infer.TP.dump();
-    dbgs() << "Generated from record:\n";
+    errs() << "Generated from record:\n";
     Infer.TP.getRecord()->dump();
+#endif
     PrintFatalError(Infer.TP.getRecord()->getLoc(),
                     "Type set is empty for each HW mode in '" +
                         Infer.TP.getRecord()->getName() + "'");
   }
 }
-#endif
 
 
 //===----------------------------------------------------------------------===//