[CodeGen] Rename DEBUG_TYPE for default hazard recognizer.

[kerbowa]

Summary

The DEBUG_TYPE of the default hazard recognizer should be updated to
match the DEBUG_TYPE of the machine-scheduler pass.

[rampitec]

LGTM

llvm/trunk/lib/CodeGen/TargetInstrInfo.cpp

CreateTargetHazardRecognizer(const TargetSubtargetInfo *STI,
   return new ScheduleHazardRecognizer();
 }
 
 // Default implementation of CreateTargetMIHazardRecognizer.
 ScheduleHazardRecognizer *TargetInstrInfo::
 CreateTargetMIHazardRecognizer(const InstrItineraryData *II,
                                const ScheduleDAG *DAG) const {
   return (ScheduleHazardRecognizer *)
-    new ScoreboardHazardRecognizer(II, DAG, "misched");
+    new ScoreboardHazardRecognizer(II, DAG, "machine-scheduler");
 }
 
 // Default implementation of CreateTargetPostRAHazardRecognizer.
 ScheduleHazardRecognizer *TargetInstrInfo::
 CreateTargetPostRAHazardRecognizer(const InstrItineraryData *II,
                                    const ScheduleDAG *DAG) const {
   return (ScheduleHazardRecognizer *)
     new ScoreboardHazardRecognizer(II, DAG, "post-RA-sched");