Reuse variable

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193107 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 0971e8a..2dee377 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2448,7 +2448,7 @@
   MachineFunction *CurMF = FuncInfo.MF;
 
   // If target does not have legal shift left, do not emit bit tests at all.
-  if (!TLI->isOperationLegal(ISD::SHL, TLI->getPointerTy()))
+  if (!TLI->isOperationLegal(ISD::SHL, PTy))
     return false;
 
   size_t numCmps = 0;