remove graphprinter support for domfrontier.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128938 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index 1bf3621..b437357 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -427,6 +427,7 @@
   GVN is much faster on functions with deep dominator trees / lots of BBs.
   DomTree and DominatorFrontier are much faster to compute, and preserved by
     more passes (so they are computed less often)
+  SRoA is also much faster and doesn't use DominanceFrontier.
   
   
 new 'hotpatch' attribute: LangRef.html#fnattrs
@@ -456,6 +457,9 @@
   
 Removed the PartialSpecialization pass, it was unmaintained and buggy.
   
+SPARC: Many improvements, including using the Y registers for multiplications
+  and addition of a simple delay slot filler.
+  
 </pre></li>
 </ul>