[llvm-commits] [llvm] r152209 - /llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.h

[Andrew Trick]

Author: atrick
Date: Tue Mar  6 23:21:54 2012
New Revision: 152209

URL: http://llvm.org/viewvc/llvm-project?rev=152209&view=rev
Log:
comment

Modified:
    llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.h

Modified: llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.h?rev=152209&r1=152208&r2=152209&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.h (original)
+++ llvm/trunk/lib/CodeGen/ScheduleDAGInstrs.h Tue Mar  6 23:21:54 2012
@@ -297,6 +297,8 @@
     /// Schedule - Order nodes according to selected style, filling
     /// in the Sequence member.
     ///
+    /// Typically, a scheduling algorithm will implement Schedule() without
+    /// overriding enterRegion() or exitRegion().
     virtual void Schedule() = 0;
 
     virtual void dumpNode(const SUnit *SU) const;