Cleanup: DAG building is specific to either SD or MI scheduling. Not part of the target interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152174 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ScheduleDAGInstrs.h b/lib/CodeGen/ScheduleDAGInstrs.h
index e3aaffb..248c273 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.h
+++ b/lib/CodeGen/ScheduleDAGInstrs.h
@@ -245,7 +245,7 @@
 
     /// BuildSchedGraph - Build SUnits from the MachineBasicBlock that we are
     /// input.
-    virtual void BuildSchedGraph(AliasAnalysis *AA);
+    void BuildSchedGraph(AliasAnalysis *AA);
 
     /// AddSchedBarrierDeps - Add dependencies from instructions in the current
     /// list of instructions being scheduled to scheduling barrier. We want to
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h
index 17b4901..d7e13d7 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.h
@@ -79,7 +79,7 @@
     /// are input.  This SUnit graph is similar to the SelectionDAG, but
     /// excludes nodes that aren't interesting to scheduling, and represents
     /// flagged together nodes with a single SUnit.
-    virtual void BuildSchedGraph(AliasAnalysis *AA);
+    void BuildSchedGraph(AliasAnalysis *AA);
 
     /// InitVRegCycleFlag - Set isVRegCycle if this node's single use is
     /// CopyToReg and its only active data operands are CopyFromReg within a