Update LLVM for rebase to r212749.

Includes a cherry-pick of:
r212948 - fixes a small issue with atomic calls

Change-Id: Ib97bd980b59f18142a69506400911a6009d9df18

1 files changed, 4 insertions, 2 deletions

diff --git a/include/llvm/ADT/DenseSet.h b/include/llvm/ADT/DenseSet.h
index 1d8c39c144..37a81b0c7e 100644
--- a/include/llvm/ADT/DenseSet.h
+++ b/include/llvm/ADT/DenseSet.h
@@ -29,11 +29,12 @@ class DenseSet {
 public:
   typedef ValueT key_type;
   typedef ValueT value_type;
+  typedef unsigned size_type;

 
   explicit DenseSet(unsigned NumInitBuckets = 0) : TheMap(NumInitBuckets) {}
 
   bool empty() const { return TheMap.empty(); }
-  unsigned size() const { return TheMap.size(); }
+  size_type size() const { return TheMap.size(); }
   size_t getMemorySize() const { return TheMap.getMemorySize(); }
 
   /// Grow the DenseSet so that it has at least Size buckets. Will not shrink
@@ -44,7 +45,8 @@ public:
     TheMap.clear();
   }
 
-  bool count(const ValueT &V) const {
+  /// Return 1 if the specified key is in the set, 0 otherwise.

+  size_type count(const ValueT &V) const {
     return TheMap.count(V);
   }