#ifndef HEXAGONASMPRINTER_H
#define HEXAGONASMPRINTER_H
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/PriorityQueue.h"
+#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/MachineScheduler.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/ResourcePriorityQueue.h"
#include "llvm/CodeGen/ScheduleDAGInstrs.h"
#include "llvm/CodeGen/ScheduleHazardRecognizer.h"
-#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/PriorityQueue.h"
+#include "llvm/Target/TargetInstrInfo.h"
using namespace llvm;
/// definition of DFA by a target.
DFAPacketizer *ResourcesModel;
- const InstrItineraryData *InstrItins;
+ const TargetSchedModel *SchedModel;
/// Local packet/bundle model. Purely
/// internal to the MI schedulre at the time.
unsigned TotalPackets;
public:
- VLIWResourceModel(MachineSchedContext *C, const InstrItineraryData *IID) :
- InstrItins(IID), TotalPackets(0) {
- const TargetMachine &TM = C->MF->getTarget();
- ResourcesModel = TM.getInstrInfo()->CreateTargetScheduleState(&TM,NULL);
-
- // This hard requirement could be relaxed,
- // but for now do not let it proceed.
- assert(ResourcesModel && "Unimplemented CreateTargetScheduleState.");
-
- Packet.resize(InstrItins->SchedModel->IssueWidth);
- Packet.clear();
- ResourcesModel->clearResources();
- }
-
- VLIWResourceModel(const TargetMachine &TM) :
- InstrItins(TM.getInstrItineraryData()), TotalPackets(0) {
+VLIWResourceModel(const TargetMachine &TM, const TargetSchedModel *SM) :
+ SchedModel(SM), TotalPackets(0) {
ResourcesModel = TM.getInstrInfo()->CreateTargetScheduleState(&TM,NULL);
// This hard requirement could be relaxed,
// but for now do not let it proceed.
assert(ResourcesModel && "Unimplemented CreateTargetScheduleState.");
- Packet.resize(InstrItins->SchedModel->IssueWidth);
+ Packet.resize(SchedModel->getIssueWidth());
Packet.clear();
ResourcesModel->clearResources();
}
/// Extend the standard ScheduleDAGMI to provide more context and override the
/// top-level schedule() driver.
class VLIWMachineScheduler : public ScheduleDAGMI {
- const MachineLoopInfo *MLI;
public:
VLIWMachineScheduler(MachineSchedContext *C, MachineSchedStrategy *S):
- ScheduleDAGMI(C, S), MLI(C->MLI) {}
+ ScheduleDAGMI(C, S) {}
/// Schedule - This is called back from ScheduleDAGInstrs::Run() when it's
/// time to do some work.
virtual void schedule();
+ /// Perform platform specific DAG postprocessing.
+ void postprocessDAG();
};
/// ConvergingVLIWScheduler shrinks the unscheduled zone using heuristics
/// of "hazards" and other interlocks at the current cycle.
struct SchedBoundary {
VLIWMachineScheduler *DAG;
+ const TargetSchedModel *SchedModel;
ReadyQueue Available;
ReadyQueue Pending;
/// Pending queues extend the ready queues with the same ID and the
/// PendingFlag set.
SchedBoundary(unsigned ID, const Twine &Name):
- DAG(0), Available(ID, Name+".A"),
+ DAG(0), SchedModel(0), Available(ID, Name+".A"),
Pending(ID << ConvergingVLIWScheduler::LogMaxQID, Name+".P"),
CheckPending(false), HazardRec(0), ResourceModel(0),
CurrCycle(0), IssueCount(0),
delete HazardRec;
}
+ void init(VLIWMachineScheduler *dag, const TargetSchedModel *smodel) {
+ DAG = dag;
+ SchedModel = smodel;
+ }
+
bool isTop() const {
return Available.getID() == ConvergingVLIWScheduler::TopQID;
}
};
VLIWMachineScheduler *DAG;
- const TargetRegisterInfo *TRI;
+ const TargetSchedModel *SchedModel;
// State of the top and bottom scheduled instruction boundaries.
SchedBoundary Top;
};
ConvergingVLIWScheduler():
- DAG(0), TRI(0), Top(TopQID, "TopQ"), Bot(BotQID, "BotQ") {}
+ DAG(0), SchedModel(0), Top(TopQID, "TopQ"), Bot(BotQID, "BotQ") {}
virtual void initialize(ScheduleDAGMI *dag);
virtual void releaseBottomNode(SUnit *SU);
+ unsigned ReportPackets() {
+ return Top.ResourceModel->getTotalPackets() +
+ Bot.ResourceModel->getTotalPackets();
+ }
+
protected:
SUnit *pickNodeBidrectional(bool &IsTopNode);
SchedCandidate &Candidate);
#ifndef NDEBUG
void traceCandidate(const char *Label, const ReadyQueue &Q, SUnit *SU,
- PressureElement P = PressureElement());
+ PressureChange P = PressureChange());
#endif
};