Andrew Trick 20349b88a6 Fix library visibility problems with VLIWPacketizer. ...

The existing framework for postra scheduling is library local. We want to keep it that way. Soon we will have a more general MachineScheduler interface. At that time, various bits will be exposed to targets. In the meantime, the VLIWPacketizer wants to use ScheduleDAGInstrs directly, so it needs to wrapped in a PIMPL to avoid exposing it to the target interface.

llvm-svn: 150633

2012-02-15 23:34:15 +00:00

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