rename use_const_iterator to const_use_iterator for consistency's sake

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99564 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/Reg2Mem.cpp b/lib/Transforms/Scalar/Reg2Mem.cpp
index 99e12522..7a6eec3 100644
--- a/lib/Transforms/Scalar/Reg2Mem.cpp
+++ b/lib/Transforms/Scalar/Reg2Mem.cpp
@@ -45,7 +45,7 @@
 
    bool valueEscapes(const Instruction *Inst) const {
      const BasicBlock *BB = Inst->getParent();
-      for (Value::use_const_iterator UI = Inst->use_begin(),E = Inst->use_end();
+      for (Value::const_use_iterator UI = Inst->use_begin(),E = Inst->use_end();
            UI != E; ++UI)
         if (cast<Instruction>(*UI)->getParent() != BB ||
             isa<PHINode>(*UI))