1 Commits

Author SHA1 Message Date
Dan Gohman
121302772d Don't let arbitrary calls disrupt nested retain+release pairs if
the retains and releases all use the same SSA pointer value.

Also, don't let CFG hazards disrupt nested retain+release pair
optimizations.

llvm-svn: 137399
2011-08-12 00:26:31 +00:00