Extend StringRef's edit-distance algorithm to permit an upper bound on the allowed...

[oota-llvm.git] / include / llvm / ADT / BitVector.h

diff --git a/include/llvm/ADT/BitVector.h b/include/llvm/ADT/BitVector.h
index 3a86b0d34368e41c152e69a49a7dbaa053d23ce6..1940fd3900e03f3d96b7925881302e3bfe360b92 100644 (file)
--- a/include/llvm/ADT/BitVector.h
+++ b/include/llvm/ADT/BitVector.h
@@ -49,6 +49,11 @@ public:
 
     ~reference() {}
 
+    reference &operator=(reference t) {
+      *this = bool(t);
+      return *this;
+    }
+
     reference& operator=(bool t) {
       if (t)
         *WordRef |= 1L << BitPos;
@@ -122,6 +127,12 @@ public:
     return false;
   }
 
+  /// all - Returns true if all bits are set.
+  bool all() const {
+    // TODO: Optimize this.
+    return count() == size();
+  }
+
   /// none - Returns true if none of the bits are set.
   bool none() const {
     return !any();