diff --git a/lib/Analysis/Expressions.cpp b/lib/Analysis/Expressions.cpp
index 8fdfba6..9ccd685 100644
--- a/lib/Analysis/Expressions.cpp
+++ b/lib/Analysis/Expressions.cpp
@@ -202,9 +202,8 @@
 //
 static inline ExprType negate(const ExprType &E, Value *V) {
   const Type *Ty = V->getType();
-  const Type *ETy = E.getExprType(Ty);
-  ConstantInt *Zero   = getUnsignedConstant(0, ETy);
-  ConstantInt *One    = getUnsignedConstant(1, ETy);
+  ConstantInt *Zero   = getUnsignedConstant(0, Ty);
+  ConstantInt *One    = getUnsignedConstant(1, Ty);
   ConstantInt *NegOne = cast<ConstantInt>(*Zero - *One);
   if (NegOne == 0) return V;  // Couldn't subtract values...