Add option to disable scheduling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1973 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/InstrSched/SchedPriorities.h b/lib/CodeGen/InstrSched/SchedPriorities.h
index 2d0bff9..c76bead 100644
--- a/lib/CodeGen/InstrSched/SchedPriorities.h
+++ b/lib/CodeGen/InstrSched/SchedPriorities.h
@@ -38,6 +38,7 @@
 
 enum SchedDebugLevel_t {
   Sched_NoDebugInfo,
+  Sched_Disable,
   Sched_PrintMachineCode, 
   Sched_PrintSchedTrace,
   Sched_PrintSchedGraphs,