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/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp
index f294124..7359bb9 100644
--- a/llvm/lib/CodeGen/LiveVariables.cpp
+++ b/llvm/lib/CodeGen/LiveVariables.cpp
@@ -65,7 +65,7 @@
 }
 
 void LiveVariables::VarInfo::dump() const {
-#ifndef NDEBUG
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
   dbgs() << "  Alive in blocks: ";
   for (SparseBitVector<>::iterator I = AliveBlocks.begin(),
            E = AliveBlocks.end(); I != E; ++I)