bool isAvailable : 1; // True once available.
bool isScheduled : 1; // True once scheduled.
bool isScheduleHigh : 1; // True if preferable to schedule high.
+ bool isCloned : 1; // True if this node has been cloned.
private:
bool isDepthCurrent : 1; // True if Depth is current.
bool isHeightCurrent : 1; // True if Height is current.
Latency(0), NumPreds(0), NumSuccs(0), NumPredsLeft(0), NumSuccsLeft(0),
isTwoAddress(false), isCommutable(false), hasPhysRegDefs(false),
isPending(false), isAvailable(false), isScheduled(false),
- isScheduleHigh(false), isDepthCurrent(false), isHeightCurrent(false),
- Depth(0), Height(0),
+ isScheduleHigh(false), isCloned(false),
+ isDepthCurrent(false), isHeightCurrent(false), Depth(0), Height(0),
CopyDstRC(NULL), CopySrcRC(NULL) {}
/// SUnit - Construct an SUnit for post-regalloc scheduling to represent
Latency(0), NumPreds(0), NumSuccs(0), NumPredsLeft(0), NumSuccsLeft(0),
isTwoAddress(false), isCommutable(false), hasPhysRegDefs(false),
isPending(false), isAvailable(false), isScheduled(false),
- isScheduleHigh(false), isDepthCurrent(false), isHeightCurrent(false),
- Depth(0), Height(0),
+ isScheduleHigh(false), isCloned(false),
+ isDepthCurrent(false), isHeightCurrent(false), Depth(0), Height(0),
CopyDstRC(NULL), CopySrcRC(NULL) {}
/// setNode - Assign the representative SDNode for this SUnit.
public:
SelectionDAG *DAG; // DAG of the current basic block
MachineBasicBlock *BB; // Current basic block
+ MachineBasicBlock::iterator Begin; // The beginning of the range to be scheduled.
+ MachineBasicBlock::iterator End; // The end of the range to be scheduled.
const TargetMachine &TM; // Target processor
const TargetInstrInfo *TII; // Target instruction information
const TargetRegisterInfo *TRI; // Target processor register info
TargetLowering *TLI; // Target lowering info
- MachineFunction *MF; // Machine function
+ MachineFunction &MF; // Machine function
MachineRegisterInfo &MRI; // Virtual/real register map
MachineConstantPool *ConstPool; // Target constant pool
std::vector<SUnit*> Sequence; // The schedule. Null SUnit*'s
// represent noop instructions.
std::vector<SUnit> SUnits; // The scheduling units.
- ScheduleDAG(SelectionDAG *dag, MachineBasicBlock *bb,
- const TargetMachine &tm);
+ explicit ScheduleDAG(MachineFunction &mf);
virtual ~ScheduleDAG();
/// Run - perform scheduling.
///
- void Run();
+ void Run(SelectionDAG *DAG, MachineBasicBlock *MBB,
+ MachineBasicBlock::iterator Begin,
+ MachineBasicBlock::iterator End);
/// BuildSchedGraph - Build SUnits and set up their Preds and Succs
/// to form the scheduling dependency graph.