diff --git a/llvm/include/llvm/Analysis/ValueLattice.h b/llvm/include/llvm/Analysis/ValueLattice.h
index 5ae32b5e775e5..2898cdd3d7b0c 100644
--- a/llvm/include/llvm/Analysis/ValueLattice.h
+++ b/llvm/include/llvm/Analysis/ValueLattice.h
@@ -202,10 +202,7 @@ class ValueLatticeElement {
 
   static ValueLatticeElement get(Constant *C) {
     ValueLatticeElement Res;
-    if (isa<UndefValue>(C))
-      Res.markUndef();
-    else
-      Res.markConstant(C);
+    Res.markConstant(C);
     return Res;
   }
   static ValueLatticeElement getNot(Constant *C) {