[C++11] Switch all uses of the llvm_move macro to use std::move
directly, and remove the macro.

llvm-svn: 202612
diff --git a/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp b/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp
index 6250620..661d19c 100644
--- a/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp
+++ b/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp
@@ -229,7 +229,7 @@
     ConstantInfo::RebasedConstantInfo RCI;
     RCI.OriginalConstant = I->first;
     RCI.Offset = ConstantInt::get(Ty, Diff);
-    RCI.Uses = llvm_move(I->second.Uses);
+    RCI.Uses = std::move(I->second.Uses);
     CI.RebasedConstants.push_back(RCI);
   }
   Constants.push_back(CI);