Fix unused variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190448 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index d7a3d26..f094c4c 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -120,7 +120,9 @@
     RS_Done
   };
 
+#ifndef NDEBUG
   static const char *const StageName[];
+#endif
 
   // RegInfo - Keep additional information about each live range.
   struct RegInfo {
diff --git a/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp b/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
index d684164..324f7a7 100644
--- a/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
+++ b/lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
@@ -389,7 +389,6 @@
 // Constants used to denote relative importance of
 // heuristic components for cost computation.
 static const unsigned PriorityOne = 200;
-static const unsigned PriorityTwo = 100;
 static const unsigned PriorityThree = 50;
 static const unsigned PriorityFour = 15;
 static const unsigned PriorityFive = 5;