D: ET-Forest implementation.
D: Sparse bitmap
+N: Geoff Berry
+E: gberry@codeaurora.org
+E: gcb@acm.org
+D: AArch64 backend improvements
+D: Added EarlyCSE MemorySSA support
+D: CodeGen improvements
+
N: David Blaikie
E: dblaikie@gmail.com
D: General bug fixing/fit & finish, mostly in Clang