[llvm] r195562 - Put an unused result attribute on SmallSet::empty()

[Alp Toker]

Author: alp
Date: Sat Nov 23 17:06:20 2013
New Revision: 195562

URL: http://llvm.org/viewvc/llvm-project?rev=195562&view=rev
Log:
Put an unused result attribute on SmallSet::empty()

This matches other empty() container functions in LLVM.

No actual usage problems discovered in this instance.

Modified:
    llvm/trunk/include/llvm/ADT/SmallSet.h

Modified: llvm/trunk/include/llvm/ADT/SmallSet.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/SmallSet.h?rev=195562&r1=195561&r2=195562&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ADT/SmallSet.h (original)
+++ llvm/trunk/include/llvm/ADT/SmallSet.h Sat Nov 23 17:06:20 2013
@@ -39,7 +39,10 @@ class SmallSet {
 public:
   SmallSet() {}
 
-  bool empty() const { return Vector.empty() && Set.empty(); }
+  bool LLVM_ATTRIBUTE_UNUSED_RESULT empty() const {
+    return Vector.empty() && Set.empty();
+  }
+
   unsigned size() const {
     return isSmall() ? Vector.size() : Set.size();
   }