Hoist the HazardRecognizer out of the ScheduleDAGList.cpp file to where
targets can implement them.  Make the top-down scheduler non-g5-specific.

Remove the old testing hazard recognizer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26569 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed