Replace std::copy with a back inserter with vector append where feasible

All of the cases were just appending from random access iterators to a
vector. Using insert/append can grow the vector to the perfect size
directly and moves the growing out of the loop. No intended functionalty
change.

llvm-svn: 230845

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Scalar/SROA.cpp b/llvm/lib/Transforms/Scalar/SROA.cpp
index f69c750f3f9..3ab5973643c 100644
--- a/llvm/lib/Transforms/Scalar/SROA.cpp
+++ b/llvm/lib/Transforms/Scalar/SROA.cpp
@@ -247,7 +247,7 @@ public:
   /// hold.
   void insert(ArrayRef<Slice> NewSlices) {
     int OldSize = Slices.size();
-    std::move(NewSlices.begin(), NewSlices.end(), std::back_inserter(Slices));
+    Slices.append(NewSlices.begin(), NewSlices.end());
     auto SliceI = Slices.begin() + OldSize;
     std::sort(SliceI, Slices.end());
     std::inplace_merge(Slices.begin(), SliceI, Slices.end());