misched: handle on-the-fly regpressure queries better for 2-addr

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

diff --git a/include/llvm/CodeGen/SchedulerRegistry.h b/include/llvm/CodeGen/SchedulerRegistry.h
index 3af6fcfcb6faa27c9bb530fccd7218d896fc146f..836b73a15a2ffdb38386e0ec951c58027e739d5b 100644 (file)
--- a/include/llvm/CodeGen/SchedulerRegistry.h
+++ b/include/llvm/CodeGen/SchedulerRegistry.h
@@ -42,7 +42,7 @@ public:
   : MachinePassRegistryNode(N, D, (MachinePassCtor)C)
   { Registry.Add(this); }
   ~RegisterScheduler() { Registry.Remove(this); }
-  
+
 
   // Accessors.
   //
@@ -92,11 +92,21 @@ ScheduleDAGSDNodes *createILPListDAGScheduler(SelectionDAGISel *IS,
 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);
 
+/// createDAGLinearizer - This creates a "no-scheduling" scheduler which
+/// linearize the DAG using topological order.
+ScheduleDAGSDNodes *createDAGLinearizer(SelectionDAGISel *IS,
+                                        CodeGenOpt::Level OptLevel);
+
 } // end namespace llvm
 
 #endif