Clarify that the NextPowerOfTwo template is idempotent.

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

diff --git a/include/llvm/ADT/SmallPtrSet.h b/include/llvm/ADT/SmallPtrSet.h
index 2af9c0260ddda1f0c54b5a240376dd8d36a4dbc7..5326d69bdf53ec5d8265106145dd0fff8d3717ee 100644 (file)
--- a/include/llvm/ADT/SmallPtrSet.h
+++ b/include/llvm/ADT/SmallPtrSet.h
@@ -200,7 +200,7 @@ public:
 };
 
 /// NextPowerOfTwo - This is a helper template that rounds N up to the next
-/// power of two.
+/// power of two (which means N itself if N is already a power of two).
 template<unsigned N>
 struct NextPowerOfTwo;