SmallVector: More movable improvements - don't copy elements to make space when inserting repeated elements.

Also split and improve tests a bit.

llvm-svn: 210433

1 files changed, 2 insertions, 1 deletions

diff --git a/llvm/include/llvm/ADT/SmallVector.h b/llvm/include/llvm/ADT/SmallVector.h
index 075b13084aa..c00248dab57 100644
--- a/llvm/include/llvm/ADT/SmallVector.h
+++ b/llvm/include/llvm/ADT/SmallVector.h
@@ -609,7 +609,8 @@ public:
     // reallocate the vector.
     if (size_t(this->end()-I) >= NumToInsert) {
       T *OldEnd = this->end();
-      append(this->end()-NumToInsert, this->end());
+      append(std::move_iterator<iterator>(this->end() - NumToInsert),
+             std::move_iterator<iterator>(this->end()));
 
       // Copy the existing elements that get replaced.
       this->move_backward(I, OldEnd-NumToInsert, OldEnd);