Delete the heuristic for non-livein CopyFromReg nodes. Non-liveinness
authorDan Gohman <gohman@apple.com>
Wed, 11 Feb 2009 20:25:59 +0000 (20:25 +0000)
committerDan Gohman <gohman@apple.com>
Wed, 11 Feb 2009 20:25:59 +0000 (20:25 +0000)
commitcc994ea36bd6f501334d8be4219fc23caff025d9
tree55949946c18b19de5028b149fd4cf65649cfcffe
parentd293e0d2dcd3dc4e6030e9644846ed4d0b1bbde3
Delete the heuristic for non-livein CopyFromReg nodes. Non-liveinness
is determined by whether the node has a Flag operand. However, if the
node does have a Flag operand, it will be glued to its register's
def, so the heuristic would end up spuriously applying to whatever
node is the def.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64319 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp