Do not use computationally expensive scheduling heuristics with -fast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52971 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 4 deletions

diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h
index 4849f91..ed7801f 100644
--- a/include/llvm/CodeGen/ScheduleDAG.h
+++ b/include/llvm/CodeGen/ScheduleDAG.h
@@ -396,25 +396,29 @@ namespace llvm {
   /// reduction list scheduler.
   ScheduleDAG* createBURRListDAGScheduler(SelectionDAGISel *IS,
                                           SelectionDAG *DAG,
-                                          MachineBasicBlock *BB);
+                                          MachineBasicBlock *BB,
+                                          bool Fast);
   
   /// createTDRRListDAGScheduler - This creates a top down register usage
   /// reduction list scheduler.
   ScheduleDAG* createTDRRListDAGScheduler(SelectionDAGISel *IS,
                                           SelectionDAG *DAG,
-                                          MachineBasicBlock *BB);
+                                          MachineBasicBlock *BB,
+                                          bool Fast);
   
   /// createTDListDAGScheduler - This creates a top-down list scheduler with
   /// a hazard recognizer.
   ScheduleDAG* createTDListDAGScheduler(SelectionDAGISel *IS,
                                         SelectionDAG *DAG,
-                                        MachineBasicBlock *BB);
+                                        MachineBasicBlock *BB,
+                                        bool Fast);
                                         
   /// createDefaultScheduler - This creates an instruction scheduler appropriate
   /// for the target.
   ScheduleDAG* createDefaultScheduler(SelectionDAGISel *IS,
                                       SelectionDAG *DAG,
-                                      MachineBasicBlock *BB);
+                                      MachineBasicBlock *BB,
+                                      bool Fast);
 
   class SUnitIterator : public forward_iterator<SUnit, ptrdiff_t> {
     SUnit *Node;