update comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122212 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/ScheduleDAG.h b/include/llvm/CodeGen/ScheduleDAG.h
index b29d90e8f488ea1489a64e321d2efb6f2c4fe551..3a1e2715c11ab0c4edaae077e8a40cde95aad8b5 100644 (file)
--- a/include/llvm/CodeGen/ScheduleDAG.h
+++ b/include/llvm/CodeGen/ScheduleDAG.h
@@ -233,8 +233,7 @@ namespace llvm {
     SUnit *OrigNode;                    // If not this, the node from which
                                         // this node was cloned.
     
-    // Preds/Succs - The SUnits before/after us in the graph.  The boolean value
-    // is true if the edge is a token chain edge, false if it is a value edge. 
+    // Preds/Succs - The SUnits before/after us in the graph. 
     SmallVector<SDep, 4> Preds;  // All sunit predecessors.
     SmallVector<SDep, 4> Succs;  // All sunit successors.