Elements in DeadNodeSet are checked for use_empty() before they
authorDan Gohman <gohman@apple.com>
Thu, 21 Aug 2008 16:24:54 +0000 (16:24 +0000)
committerDan Gohman <gohman@apple.com>
Thu, 21 Aug 2008 16:24:54 +0000 (16:24 +0000)
commitca84121596640c99887f909f3b9a3ae830391e64
treee6da807bfcff72e9deb0cafb44e6963469238c15
parent815ffa24c498de777e699b5cd17236fa4e1a735e
Elements in DeadNodeSet are checked for use_empty() before they
are actually deleted, so it's not necessary to remove re-used
nodes from the set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55123 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/SelectionDAG.cpp