[llvm] r203448 - [LCG] Make this call graph a fully regular type by giving it assignment

[Chandler Carruth]

Author: chandlerc
Date: Mon Mar 10 03:08:59 2014
New Revision: 203448

URL: http://llvm.org/viewvc/llvm-project?rev=203448&view=rev
Log:
[LCG] Make this call graph a fully regular type by giving it assignment
as well. I don't see any particular need but it imposes no cost to
support it and it makes the API cleaner.

Modified:
    llvm/trunk/include/llvm/Analysis/LazyCallGraph.h

Modified: llvm/trunk/include/llvm/Analysis/LazyCallGraph.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/LazyCallGraph.h?rev=203448&r1=203447&r2=203448&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/LazyCallGraph.h (original)
+++ llvm/trunk/include/llvm/Analysis/LazyCallGraph.h Mon Mar 10 03:08:59 2014
@@ -192,6 +192,12 @@ public:
   /// Any other operation on G is likely to fail.
   LazyCallGraph(LazyCallGraph &&G);
 
+  /// \brief Copy and move assignment.
+  LazyCallGraph &operator=(LazyCallGraph RHS) {
+    std::swap(*this, RHS);
+    return *this;
+  }
+
   iterator begin() { return iterator(*this, EntryNodes); }
   iterator end() { return iterator(*this, EntryNodes, iterator::IsAtEndT()); }