[llvm-commits] [llvm] r52658 - /llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h

[Dan Gohman]

Author: djg
Date: Mon Jun 23 19:02:44 2008
New Revision: 52658

URL: http://llvm.org/viewvc/llvm-project?rev=52658&view=rev
Log:
Comment fixes, and make Schedule() pure virtual.

Modified:
    llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h

Modified: llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h?rev=52658&r1=52657&r2=52658&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h (original)
+++ llvm/trunk/include/llvm/CodeGen/ScheduleDAG.h Mon Jun 23 19:02:44 2008
@@ -229,8 +229,9 @@
     virtual void remove(SUnit *SU) = 0;
 
     /// ScheduledNode - As each node is scheduled, this method is invoked.  This
-    /// allows the priority function to adjust the priority of node that have
-    /// already been emitted.
+    /// allows the priority function to adjust the priority of related
+    /// unscheduled nodes, for example.
+    ///
     virtual void ScheduledNode(SUnit *) {}
 
     virtual void UnscheduledNode(SUnit *) {}
@@ -339,9 +340,10 @@
 
     void dumpSchedule() const;
 
-    /// Schedule - Order nodes according to selected style.
+    /// Schedule - Order nodes according to selected style, filling
+    /// in the Sequence member.
     ///
-    virtual void Schedule() {}
+    virtual void Schedule() = 0;
 
   private:
     /// EmitSubregNode - Generate machine code for subreg nodes.