MachineScheduler: Make some GenericScheduler member variables protected

Summary: We will need these in AMDGPU's new SchedStrategy implmentation.

Reviewers: MatzeB, atrick

Subscribers: llvm-commits, MatzeB

Differential Revision: https://reviews.llvm.org/D23679

llvm-svn: 279270

diff --git a/llvm/include/llvm/CodeGen/MachineScheduler.h b/llvm/include/llvm/CodeGen/MachineScheduler.h
index 01f4b21..ecced57 100644 (file)
--- a/llvm/include/llvm/CodeGen/MachineScheduler.h
+++ b/llvm/include/llvm/CodeGen/MachineScheduler.h
@@ -874,18 +874,6 @@ protected:
 /// GenericScheduler shrinks the unscheduled zone using heuristics to balance
 /// the schedule.
 class GenericScheduler : public GenericSchedulerBase {
-  ScheduleDAGMILive *DAG;
-
-  // State of the top and bottom scheduled instruction boundaries.
-  SchedBoundary Top;
-  SchedBoundary Bot;
-
-  /// Candidate last picked from Top boundary.
-  SchedCandidate TopCand;
-  /// Candidate last picked from Bot boundary.
-  SchedCandidate BotCand;
-
-  MachineSchedPolicy RegionPolicy;
 public:
   GenericScheduler(const MachineSchedContext *C):
     GenericSchedulerBase(C), DAG(nullptr), Top(SchedBoundary::TopQID, "TopQ"),
@@ -924,6 +912,20 @@ public:
   void registerRoots() override;
 
 protected:
+  ScheduleDAGMILive *DAG;
+
+  MachineSchedPolicy RegionPolicy;
+
+  // State of the top and bottom scheduled instruction boundaries.
+  SchedBoundary Top;
+  SchedBoundary Bot;
+
+  /// Candidate last picked from Top boundary.
+  SchedCandidate TopCand;
+  /// Candidate last picked from Bot boundary.
+  SchedCandidate BotCand;
+
+
   void checkAcyclicLatency();
 
   void initCandidate(SchedCandidate &Cand, SUnit *SU, bool AtTop,