diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 2ad3da0..7c70cd4 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -974,7 +974,7 @@
   unsigned Opc;
 
   // Truncate (with sign-extension) the offset value to the pointer size.
-  unsigned BitWidth = VT.getSizeInBits();
+  unsigned BitWidth = TLI.getPointerTy().getSizeInBits();
   if (BitWidth < 64)
     Offset = (Offset << (64 - BitWidth) >> (64 - BitWidth));