[llvm] r206448 - [Allocator] Make SpecificBumpPtrAllocator also movable and move

[Chandler Carruth]

Author: chandlerc
Date: Thu Apr 17 02:08:56 2014
New Revision: 206448

URL: http://llvm.org/viewvc/llvm-project?rev=206448&view=rev
Log:
[Allocator] Make SpecificBumpPtrAllocator also movable and move
assignable.

Modified:
    llvm/trunk/include/llvm/Support/Allocator.h

Modified: llvm/trunk/include/llvm/Support/Allocator.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/Allocator.h?rev=206448&r1=206447&r2=206448&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/Allocator.h (original)
+++ llvm/trunk/include/llvm/Support/Allocator.h Thu Apr 17 02:08:56 2014
@@ -365,9 +365,15 @@ template <typename T> class SpecificBump
 
 public:
   SpecificBumpPtrAllocator() : Allocator() {}
-
+  SpecificBumpPtrAllocator(SpecificBumpPtrAllocator &&Old)
+      : Allocator(std::move(Old.Allocator)) {}
   ~SpecificBumpPtrAllocator() { DestroyAll(); }
 
+  SpecificBumpPtrAllocator &operator=(SpecificBumpPtrAllocator &&RHS) {
+    Allocator = RHS.Allocator;
+    return *this;
+  }
+
   /// Call the destructor of each allocated object and deallocate all but the
   /// current slab and reset the current pointer to the beginning of it, freeing
   /// all memory allocated so far.
@@ -400,8 +406,6 @@ public:
 
   /// \brief Allocate space for an array of objects without constructing them.
   T *Allocate(size_t num = 1) { return Allocator.Allocate<T>(num); }
-
-private:
 };
 
 }  // end namespace llvm