diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineScheduler.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineScheduler.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp index b088d1ad17c..badc0e56674 100644 --- a/llvm/lib/CodeGen/MachineScheduler.cpp +++ b/llvm/lib/CodeGen/MachineScheduler.cpp @@ -464,7 +464,7 @@ void ScheduleDAGMI::initRegPressure() { // Close the RPTracker to finalize live ins. RPTracker.closeRegion(); - DEBUG(RPTracker.getPressure().dump(TRI)); + DEBUG(RPTracker.dump()); // Initialize the live ins and live outs. TopRPTracker.addLiveRegs(RPTracker.getPressure().LiveInRegs); @@ -476,6 +476,13 @@ void ScheduleDAGMI::initRegPressure() { TopRPTracker.closeTop(); BotRPTracker.closeBottom(); + BotRPTracker.initLiveThru(RPTracker); + if (!BotRPTracker.getLiveThru().empty()) { + TopRPTracker.initLiveThru(BotRPTracker.getLiveThru()); + DEBUG(dbgs() << "Live Thru: "; + dumpRegSetPressure(BotRPTracker.getLiveThru(), TRI)); + }; + // Account for liveness generated by the region boundary. if (LiveRegionEnd != RegionEnd) BotRPTracker.recede(); @@ -579,7 +586,8 @@ void ScheduleDAGMI::schedule() { /// Build the DAG and setup three register pressure trackers. void ScheduleDAGMI::buildDAGWithRegPressure() { // Initialize the register pressure tracker used by buildSchedGraph. - RPTracker.init(&MF, RegClassInfo, LIS, BB, LiveRegionEnd); + RPTracker.init(&MF, RegClassInfo, LIS, BB, LiveRegionEnd, + /*TrackUntiedDefs=*/true); // Account for liveness generate by the region boundary. if (LiveRegionEnd != RegionEnd) |
