Fix constness


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2762 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SparcV9/SparcV9InstrSelection.cpp b/lib/Target/SparcV9/SparcV9InstrSelection.cpp
index 44f4ea5..4e8259f 100644
--- a/lib/Target/SparcV9/SparcV9InstrSelection.cpp
+++ b/lib/Target/SparcV9/SparcV9InstrSelection.cpp
@@ -972,7 +972,7 @@
   // Discard any leading [0] index.
   if (memInst->idx_begin() != memInst->idx_end())
     {
-      ConstantUInt* CV = dyn_cast<ConstantUInt>(* memInst->idx_begin());
+      const ConstantUInt* CV = dyn_cast<ConstantUInt>(memInst->idx_begin()->get());
       unsigned zeroOrIOne = (CV && CV->getType() == Type::UIntTy &&
                              (CV->getValue() == 0))? 1 : 0;
       idxVec.insert(idxVec.end(),