Mention invariant.group in ReleaseNotes

https://reviews.llvm.org/D28605

git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_40@292009 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 9d06d82ec0da50f29d56ab8f5f997671e5ae1f10..b92527dbb2969fc34298c1684a5dbb0983c75327 100644 (file)
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -52,6 +52,9 @@ Non-comprehensive list of changes in this release
   the previously used names should become descriptions and a short name in the
   style of a programming language identifier should be added.
 
+* LLVM now handles invariant.group across different basic blocks, which makes
+  it possible to devirtualize virtual calls inside loops.
+
 * ... next change ...
 
 .. NOTE