13 /// This pass will apply multiple scheduling stages to the same function.
15 /// entry point for the scheduling of those regions is
18 /// Generally, the reason for having multiple scheduling stages is to account
20 /// few scheduling regions will have register pressure high enough to limit
38              "reduction scheduling stage."),
44              "rescheduling for ILP scheduling stage."),
132 /// already allows 80% of SUs to take the fast path without changing scheduling
133 /// at all. Further changes would either change scheduling, or require a lot
442   LLVM_DEBUG(dbgs() << "Scheduling SU(" << SU->NodeNum << ") "  in pickNode()
604   // Collect all scheduling regions. The actual scheduling is performed in  in schedule()
622   // successor will be sent to scheduling past current block.  in computeBlockPressure()
707   // Start actual scheduling here. This function is called by the base  in finalizeSchedule()
727   LLVM_DEBUG(dbgs() << "All regions recorded, starting actual scheduling.\n");  in runSchedStages()
741       // Setup for scheduling the region and check whether it should be skipped.  in runSchedStages()
788   LLVM_DEBUG(dbgs() << "Starting scheduling stage: " << StageID << "\n");  in initGCNSchedStage()
816       << "Retrying function scheduling without clustering. "  in initGCNSchedStage()
837       dbgs() << "Retrying function scheduling with lowest recorded occupancy "  in initGCNSchedStage()
866       dbgs() << "Retrying function scheduling with improved occupancy of "  in initGCNSchedStage()
873   LLVM_DEBUG(dbgs() << "Ending scheduling stage: " << StageID << "\n");  in finalizeGCNSchedStage()
900   // Skip empty scheduling regions (0 or 1 schedulable instructions).  in initGCNRegion()
904   LLVM_DEBUG(dbgs() << "********** MI Scheduling **********\n");  in initGCNRegion()
912   // Save original instruction order before scheduling for possible revert.  in initGCNRegion()
931       dbgs() << "Pressure before scheduling:\nRegion live-ins:"  in initGCNRegion()
991   // initial schedule stage real RP will be collected after scheduling.  in setupNewBlock()
1003   // Revert scheduling if we have dropped occupancy or there is some other  in finalizeGCNRegion()
1016   // Check the results of scheduling.  in checkScheduling()
1018   LLVM_DEBUG(dbgs() << "Pressure after scheduling: " << print(PressureAfter));  in checkScheduling()
1038   LLVM_DEBUG(dbgs() << "Occupancy before scheduling: " << WavesBefore  in checkScheduling()
1042   // scheduled region. We might still be able to revert scheduling if the  in checkScheduling()
1306   LLVM_DEBUG(dbgs() << "Attempting to revert scheduling.\n");  in revertScheduling()
1342     LLVM_DEBUG(dbgs() << "Scheduling " << *MI);  in revertScheduling()
1347   // pass debug instrs to the actual end of the scheduling region.  in revertScheduling()
1502       // Update region boundaries in scheduling region we sinked from since we  in sinkTriviallyRematInsts()
1609 // of a scheduling region and do not need to check the ending since we will only