/// Extend the standard ScheduleDAGMI to provide more context and override the
/// top-level schedule() driver.
-class VLIWMachineScheduler : public ScheduleDAGMI {
+class VLIWMachineScheduler : public ScheduleDAGMILive {
public:
VLIWMachineScheduler(MachineSchedContext *C, MachineSchedStrategy *S):
- ScheduleDAGMI(C, S) {}
+ ScheduleDAGMILive(C, S) {}
/// Schedule - This is called back from ScheduleDAGInstrs::Run() when it's
/// time to do some work.
- virtual void schedule();
+ virtual void schedule() LLVM_OVERRIDE;
/// Perform platform specific DAG postprocessing.
void postprocessDAG();
};
/// Each Scheduling boundary is associated with ready queues. It tracks the
/// current cycle in whichever direction at has moved, and maintains the state
/// of "hazards" and other interlocks at the current cycle.
- struct SchedBoundary {
+ struct VLIWSchedBoundary {
VLIWMachineScheduler *DAG;
const TargetSchedModel *SchedModel;
/// Pending queues extend the ready queues with the same ID and the
/// PendingFlag set.
- SchedBoundary(unsigned ID, const Twine &Name):
+ VLIWSchedBoundary(unsigned ID, const Twine &Name):
DAG(0), SchedModel(0), Available(ID, Name+".A"),
Pending(ID << ConvergingVLIWScheduler::LogMaxQID, Name+".P"),
CheckPending(false), HazardRec(0), ResourceModel(0),
CurrCycle(0), IssueCount(0),
MinReadyCycle(UINT_MAX), MaxMinLatency(0) {}
- ~SchedBoundary() {
+ ~VLIWSchedBoundary() {
delete ResourceModel;
delete HazardRec;
}
const TargetSchedModel *SchedModel;
// State of the top and bottom scheduled instruction boundaries.
- SchedBoundary Top;
- SchedBoundary Bot;
+ VLIWSchedBoundary Top;
+ VLIWSchedBoundary Bot;
public:
/// SUnit::NodeQueueId: 0 (none), 1 (top), 2 (bot), 3 (both)
ConvergingVLIWScheduler():
DAG(0), SchedModel(0), Top(TopQID, "TopQ"), Bot(BotQID, "BotQ") {}
- virtual void initialize(ScheduleDAGMI *dag);
+ virtual void initialize(ScheduleDAGMI *dag) LLVM_OVERRIDE;
- virtual SUnit *pickNode(bool &IsTopNode);
+ virtual SUnit *pickNode(bool &IsTopNode) LLVM_OVERRIDE;
- virtual void schedNode(SUnit *SU, bool IsTopNode);
+ virtual void schedNode(SUnit *SU, bool IsTopNode) LLVM_OVERRIDE;
- virtual void releaseTopNode(SUnit *SU);
+ virtual void releaseTopNode(SUnit *SU) LLVM_OVERRIDE;
- virtual void releaseBottomNode(SUnit *SU);
+ virtual void releaseBottomNode(SUnit *SU) LLVM_OVERRIDE;
unsigned ReportPackets() {
return Top.ResourceModel->getTotalPackets() +
SchedCandidate &Candidate);
#ifndef NDEBUG
void traceCandidate(const char *Label, const ReadyQueue &Q, SUnit *SU,
- PressureElement P = PressureElement());
+ PressureChange P = PressureChange());
#endif
};