diff --git a/include/llvm/CodeGen/ScheduleDAGInstrs.h b/include/llvm/CodeGen/ScheduleDAGInstrs.h index a08f6cc7f70..c8de7bc8f89 100644 --- a/include/llvm/CodeGen/ScheduleDAGInstrs.h +++ b/include/llvm/CodeGen/ScheduleDAGInstrs.h @@ -296,6 +296,10 @@ namespace llvm { /// overriding enterRegion() or exitRegion(). virtual void schedule() = 0; + /// finalizeSchedule - Allow targets to perform final scheduling actions at + /// the level of the whole MachineFunction. By default does nothing. + virtual void finalizeSchedule() {} + virtual void dumpNode(const SUnit *SU) const; /// Return a label for a DAG node that points to an instruction. diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp index 364a2442759..1d3241b8cc6 100644 --- a/lib/CodeGen/MachineScheduler.cpp +++ b/lib/CodeGen/MachineScheduler.cpp @@ -227,6 +227,7 @@ bool MachineScheduler::runOnMachineFunction(MachineFunction &mf) { assert(RemainingCount == 0 && "Instruction count mismatch!"); Scheduler->finishBlock(); } + Scheduler->finalizeSchedule(); DEBUG(LIS->print(dbgs())); return true; }