mass elimination of reliance on automatic iterator dereferencing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109103 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp
index c3a3870..2a52c99 100644
--- a/lib/Transforms/Scalar/LoopIndexSplit.cpp
+++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp
@@ -1183,7 +1183,7 @@
     bool usedOutsideBB = false;
     for (Value::use_iterator UI = I->use_begin(), UE = I->use_end(); 
          UI != UE; ++UI) {
-      Instruction *U = cast<Instruction>(UI);
+      Instruction *U = cast<Instruction>(*UI);
       if (U->getParent() != BB)
         usedOutsideBB = true;
     }