initialize a instance variable


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34567 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 073588c..39f6fe7 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -148,6 +148,7 @@
   allowUnalignedMemoryAccesses = false;
   UseUnderscoreSetJmp = false;
   UseUnderscoreLongJmp = false;
+  SelectIsExpensive = false;
   IntDivIsCheap = false;
   Pow2DivIsCheap = false;
   StackPointerRegisterToSaveRestore = 0;