Add getTreeFactory() to ImmutableSet to allow construction of Immutab…

…leSetRef from an ImmutableSet object. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140402 91177308-0d34-0410-b5e6-96231b3b80d8
dlespiau · Sep 23, 2011 · b3e3b00 · b3e3b00
1 parent 45b73e2
commit b3e3b00
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/llvm/ADT/ImmutableMap.h b/include/llvm/ADT/ImmutableMap.h
@@ -117,6 +117,10 @@ class ImmutableMap {
       return ImmutableMap(Canonicalize ? F.getCanonicalTree(T): T);
     }
 
+    typename TreeTy::Factory *getTreeFactory() const {
+      return const_cast<typename TreeTy::Factory *>(&F);
+    }
+
   private:
     Factory(const Factory& RHS); // DO NOT IMPLEMENT
     void operator=(const Factory& RHS); // DO NOT IMPLEMENT