From: Chris Lattner <sabre@nondot.org>
Date: Mon, 21 Dec 2009 07:15:15 +0000 (+0000)
Subject: add a helper ctor.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6a363782fe4ecba4f0a72c2edf03596004470c4a;p=oota-llvm.git

add a helper ctor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91819 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/ADT/DenseMap.h b/include/llvm/ADT/DenseMap.h
index 8b62f2d8c81..8b161eae73f 100644
--- a/include/llvm/ADT/DenseMap.h
+++ b/include/llvm/ADT/DenseMap.h
@@ -46,7 +46,7 @@ public:
   typedef ValueT mapped_type;
   typedef BucketT value_type;
 
-  DenseMap(const DenseMap& other) {
+  DenseMap(const DenseMap &other) {
     NumBuckets = 0;
     CopyFrom(other);
   }
@@ -55,6 +55,12 @@ public:
     init(NumInitBuckets);
   }
 
+  template<typename InputIt>
+  DenseMap(const InputIt &I, const InputIt &E) {
+    init(64);
+    insert(I, E);
+  }
+  
   ~DenseMap() {
     const KeyT EmptyKey = getEmptyKey(), TombstoneKey = getTombstoneKey();
     for (BucketT *P = Buckets, *E = Buckets+NumBuckets; P != E; ++P) {