commit 9b77cae1df76d8be0771563f55dc72b1cdab648c
author Evan Cheng <evan.cheng@apple.com> Tue Jul 01 18:05:03 2008 +0000
committer Evan Cheng <evan.cheng@apple.com> Tue Jul 01 18:05:03 2008 +0000
tree a690f1ae281e93b319feae2d94150ea71278ec4f
parent 19733c4a5e3c954dc7f96af361d2f71ed61f9443

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

lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 8ba2b78..9ee4192 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -266,15 +266,16 @@
   /// for the target.
   ScheduleDAG* createDefaultScheduler(SelectionDAGISel *IS,
                                       SelectionDAG *DAG,
-                                      MachineBasicBlock *BB) {
+                                      MachineBasicBlock *BB,
+                                      bool Fast) {
     TargetLowering &TLI = IS->getTargetLowering();
     
     if (TLI.getSchedulingPreference() == TargetLowering::SchedulingForLatency) {
-      return createTDListDAGScheduler(IS, DAG, BB);
+      return createTDListDAGScheduler(IS, DAG, BB, Fast);
     } else {
       assert(TLI.getSchedulingPreference() ==
            TargetLowering::SchedulingForRegPressure && "Unknown sched type!");
-      return createBURRListDAGScheduler(IS, DAG, BB);
+      return createBURRListDAGScheduler(IS, DAG, BB, Fast);
     }
   }
 
@@ -5611,7 +5612,7 @@
     RegisterScheduler::setDefault(Ctor);
   }
   
-  ScheduleDAG *SL = Ctor(this, &DAG, BB);
+  ScheduleDAG *SL = Ctor(this, &DAG, BB, FastISel);
   BB = SL->Run();
 
   if (ViewSUnitDAGs) SL->viewGraph();