Silence unused variable warnings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59841 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/PredicateSimplifier.cpp b/lib/Transforms/Scalar/PredicateSimplifier.cpp
index f5c68ab..a7e4d6e 100644
--- a/lib/Transforms/Scalar/PredicateSimplifier.cpp
+++ b/lib/Transforms/Scalar/PredicateSimplifier.cpp
@@ -341,6 +341,7 @@
     UGE = UGT | EQ_BIT
   };
 
+#ifndef NDEBUG
   /// validPredicate - determines whether a given value is actually a lattice
   /// value. Only used in assertions or debugging.
   static bool validPredicate(LatticeVal LV) {
@@ -355,6 +356,7 @@
         return false;
     }
   }
+#endif
 
   /// reversePredicate - reverse the direction of the inequality
   static LatticeVal reversePredicate(LatticeVal LV) {