Release build: guard dump functions with
"#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)"

No functional change. Update r163339.

llvm-svn: 163653
diff --git a/llvm/lib/CodeGen/LiveInterval.cpp b/llvm/lib/CodeGen/LiveInterval.cpp
index 3e9b485..a0902be 100644
--- a/llvm/lib/CodeGen/LiveInterval.cpp
+++ b/llvm/lib/CodeGen/LiveInterval.cpp
@@ -748,7 +748,7 @@
   return os << '[' << LR.start << ',' << LR.end << ':' << LR.valno->id << ")";
 }
 
-#ifndef NDEBUG
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 void LiveRange::dump() const {
   dbgs() << *this << "\n";
 }
@@ -785,7 +785,7 @@
   }
 }
 
-#ifndef NDEBUG
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 void LiveInterval::dump() const {
   dbgs() << *this << "\n";
 }