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/Target/SystemZ/SystemZISelLowering.cpp b/lib/Target/SystemZ/SystemZISelLowering.cpp
index e98f18b..76f2901 100644
--- a/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -81,7 +81,7 @@
   // LLVM's current latency-oriented scheduler can't handle physreg definitions
   // such as SystemZ has with PSW, so set this to the register-pressure
   // scheduler, because it can.
-  setSchedulingPreference(SchedulingForRegPressure);
+  setSchedulingPreference(Sched::RegPressure);
 
   setBooleanContents(ZeroOrOneBooleanContent);