Define placement new wrappers for BumpPtrAllocator and
RecyclingAllocator to allow client code to be simpler, and
simplify several clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98847 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/LoopDependenceAnalysis.cpp b/lib/Analysis/LoopDependenceAnalysis.cpp
index bb4f46d..e101947 100644
--- a/lib/Analysis/LoopDependenceAnalysis.cpp
+++ b/lib/Analysis/LoopDependenceAnalysis.cpp
@@ -119,8 +119,7 @@
   P = Pairs.FindNodeOrInsertPos(id, insertPos);
   if (P) return true;
 
-  P = PairAllocator.Allocate<DependencePair>();
-  new (P) DependencePair(id, A, B);
+  P = new (PairAllocator) DependencePair(id, A, B);
   Pairs.InsertNode(P, insertPos);
   return false;
 }