#define LLVM_CODEGENSCHEDULERREGISTRY_H
#include "llvm/CodeGen/MachinePassRegistry.h"
+#include "llvm/Target/TargetMachine.h"
namespace llvm {
//===----------------------------------------------------------------------===//
class SelectionDAGISel;
-class ScheduleDAG;
+class ScheduleDAGSDNodes;
class SelectionDAG;
class MachineBasicBlock;
class RegisterScheduler : public MachinePassRegistryNode {
-
public:
-
- typedef ScheduleDAG *(*FunctionPassCtor)(SelectionDAGISel*, SelectionDAG*,
- MachineBasicBlock*, bool);
+ typedef ScheduleDAGSDNodes *(*FunctionPassCtor)(SelectionDAGISel*,
+ CodeGenOpt::Level);
static MachinePassRegistry Registry;
: MachinePassRegistryNode(N, D, (MachinePassCtor)C)
{ Registry.Add(this); }
~RegisterScheduler() { Registry.Remove(this); }
-
+
// Accessors.
//
static void setListener(MachinePassRegistryListener *L) {
Registry.setListener(L);
}
-
};
-} // end namespace llvm
+/// createBURRListDAGScheduler - This creates a bottom up register usage
+/// reduction list scheduler.
+ScheduleDAGSDNodes *createBURRListDAGScheduler(SelectionDAGISel *IS,
+ CodeGenOpt::Level OptLevel);
+
+/// createBURRListDAGScheduler - This creates a bottom up list scheduler that
+/// schedules nodes in source code order when possible.
+ScheduleDAGSDNodes *createSourceListDAGScheduler(SelectionDAGISel *IS,
+ CodeGenOpt::Level OptLevel);
+
+/// createHybridListDAGScheduler - This creates a bottom up register pressure
+/// aware list scheduler that make use of latency information to avoid stalls
+/// for long latency instructions in low register pressure mode. In high
+/// register pressure mode it schedules to reduce register pressure.
+ScheduleDAGSDNodes *createHybridListDAGScheduler(SelectionDAGISel *IS,
+ CodeGenOpt::Level);
+/// createILPListDAGScheduler - This creates a bottom up register pressure
+/// aware list scheduler that tries to increase instruction level parallelism
+/// in low register pressure mode. In high register pressure mode it schedules
+/// to reduce register pressure.
+ScheduleDAGSDNodes *createILPListDAGScheduler(SelectionDAGISel *IS,
+ CodeGenOpt::Level);
+
+/// createFastDAGScheduler - This creates a "fast" scheduler.
+///
+ScheduleDAGSDNodes *createFastDAGScheduler(SelectionDAGISel *IS,
+ CodeGenOpt::Level OptLevel);
+
+/// createVLIWDAGScheduler - Scheduler for VLIW targets. This creates top down
+/// DFA driven list scheduler with clustering heuristic to control
+/// register pressure.
+ScheduleDAGSDNodes *createVLIWDAGScheduler(SelectionDAGISel *IS,
+ CodeGenOpt::Level OptLevel);
+/// createDefaultScheduler - This creates an instruction scheduler appropriate
+/// for the target.
+ScheduleDAGSDNodes *createDefaultScheduler(SelectionDAGISel *IS,
+ CodeGenOpt::Level OptLevel);
+
+} // end namespace llvm
#endif