Add a hybrid bottom up scheduler that reduce register usage while avoiding

[oota-llvm.git] / include / llvm / CodeGen / SchedulerRegistry.h

diff --git a/include/llvm/CodeGen/SchedulerRegistry.h b/include/llvm/CodeGen/SchedulerRegistry.h
index cf3274f4a961abe84e7b622c3258b3d4b86739bd..14c33e2187552d4391f302e873d5d25a10be224a 100644 (file)
--- a/include/llvm/CodeGen/SchedulerRegistry.h
+++ b/include/llvm/CodeGen/SchedulerRegistry.h
@@ -73,11 +73,17 @@ ScheduleDAGSDNodes *createBURRListDAGScheduler(SelectionDAGISel *IS,
 ScheduleDAGSDNodes *createTDRRListDAGScheduler(SelectionDAGISel *IS,
                                                CodeGenOpt::Level OptLevel);
 
-/// createBURRListDAGScheduler - This creates a bottom up register usage
-/// reduction list scheduler that schedules in source code order when possible.
+/// 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 hybrid register
+/// usage reduction list scheduler that make use of latency information to
+/// avoid stalls for long latency instructions.
+ScheduleDAGSDNodes *createHybridListDAGScheduler(SelectionDAGISel *IS,
+                                                 CodeGenOpt::Level);
+
 /// createTDListDAGScheduler - This creates a top-down list scheduler with
 /// a hazard recognizer.
 ScheduleDAGSDNodes *createTDListDAGScheduler(SelectionDAGISel *IS,