Backing out 48222 temporarily.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49124 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 162979b..8d4b464 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -3724,7 +3724,7 @@
     // result has a single use which is a store.
     if (!Op.hasOneUse())
       return SDOperand();
-    SDNode *User = Op.Val->use_begin()->getUser();
+    SDNode *User = *Op.Val->use_begin();
     if (User->getOpcode() != ISD::STORE)
       return SDOperand();
     SDOperand Extract = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, MVT::i32,