[llvm-commits] CVS: llvm/include/llvm/CodeGen/ScheduleDAG.h

[Evan Cheng]

Changes in directory llvm/include/llvm/CodeGen:

ScheduleDAG.h updated: 1.3 -> 1.4
---
Log message:

Skeleton of the list schedule.


---
Diffs of the changes:  (+9 -3)

 ScheduleDAG.h |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)


Index: llvm/include/llvm/CodeGen/ScheduleDAG.h
diff -u llvm/include/llvm/CodeGen/ScheduleDAG.h:1.3 llvm/include/llvm/CodeGen/ScheduleDAG.h:1.4
--- llvm/include/llvm/CodeGen/ScheduleDAG.h:1.3	Mon Jan 23 01:01:07 2006
+++ llvm/include/llvm/CodeGen/ScheduleDAG.h	Mon Jan 23 02:26:10 2006
@@ -37,9 +37,10 @@
 
   // Scheduling heuristics
   enum SchedHeuristics {
-    noScheduling,
-    simpleScheduling,
-    simpleNoItinScheduling
+    noScheduling,           // No scheduling, emit breath first sequence.
+    simpleScheduling,       // Two pass, min. critical path, max. utilization.
+    simpleNoItinScheduling, // Same as above exact using generic latency.
+    listSchedulingBURR,     // Bottom up reg reduction list scheduling.
   };
 
 
@@ -332,6 +333,11 @@
   ScheduleDAG* createSimpleDAGScheduler(SchedHeuristics Heuristic,
                                         SelectionDAG &DAG,
                                         MachineBasicBlock *BB);
+
+  /// createBURRListDAGScheduler - This creates a bottom up register usage
+  /// reduction list scheduler.
+  ScheduleDAG* createBURRListDAGScheduler(SelectionDAG &DAG,
+                                          MachineBasicBlock *BB);
 }
 
 #endif