Implement ComputeLatency for MachineInstr ScheduleDAGs. Factor
some of the latency computation logic out of the SDNode
ScheduleDAG code into a TargetInstrItineraries helper method
to help with this.

llvm-svn: 59761
4 files changed
tree: a4a5d7acfc91c5de4300b4c35d95b05cac63869b
  1. clang/
  2. llvm/