Code refactoring: pull SchedPreference enum from TargetLowering.h to TargetMachine.h and put it in its own namespace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104147 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 5988688..76e09e7 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -132,10 +132,10 @@
 
     if (OptLevel == CodeGenOpt::None)
       return createFastDAGScheduler(IS, OptLevel);
-    if (TLI.getSchedulingPreference() == TargetLowering::SchedulingForLatency)
+    if (TLI.getSchedulingPreference() == Sched::Latency)
       return createTDListDAGScheduler(IS, OptLevel);
-    assert(TLI.getSchedulingPreference() ==
-           TargetLowering::SchedulingForRegPressure && "Unknown sched type!");
+    assert(TLI.getSchedulingPreference() == Sched::RegPressure &&
+           "Unknown sched type!");
     return createBURRListDAGScheduler(IS, OptLevel);
   }
 }