#define LLVM_CODEGENSCHEDULERREGISTRY_H
#include "llvm/CodeGen/MachinePassRegistry.h"
+#include "llvm/Target/TargetMachine.h"
namespace llvm {
class RegisterScheduler : public MachinePassRegistryNode {
public:
- typedef ScheduleDAGSDNodes *(*FunctionPassCtor)(SelectionDAGISel*, bool);
+ typedef ScheduleDAGSDNodes *(*FunctionPassCtor)(SelectionDAGISel*,
+ CodeGenOpt::Level);
static MachinePassRegistry Registry;
: MachinePassRegistryNode(N, D, (MachinePassCtor)C)
{ Registry.Add(this); }
~RegisterScheduler() { Registry.Remove(this); }
-
+
// Accessors.
//
/// createBURRListDAGScheduler - This creates a bottom up register usage
/// reduction list scheduler.
ScheduleDAGSDNodes *createBURRListDAGScheduler(SelectionDAGISel *IS,
- bool Fast);
-
-/// createTDRRListDAGScheduler - This creates a top down register usage
-/// reduction list scheduler.
-ScheduleDAGSDNodes *createTDRRListDAGScheduler(SelectionDAGISel *IS,
- bool Fast);
-
-/// createTDListDAGScheduler - This creates a top-down list scheduler with
-/// a hazard recognizer.
-ScheduleDAGSDNodes *createTDListDAGScheduler(SelectionDAGISel *IS,
- bool Fast);
+ 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,
- bool Fast);
+ 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,
- bool Fast);
+ CodeGenOpt::Level OptLevel);
} // end namespace llvm