[PATCH] D60839: [ScheduleDAGInstrs] Compute topological ordering on demand.

[Florian Hahn via Phabricator via llvm-commits]

fhahn updated this revision to Diff 200181.
fhahn marked 2 inline comments as done.
fhahn added a comment.

Remove unused MarkDirty.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D60839/new/

https://reviews.llvm.org/D60839

Files:
  llvm/lib/CodeGen/ScheduleDAGInstrs.cpp


Index: llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
===================================================================
--- llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ llvm/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -969,7 +969,7 @@
   CurrentVRegDefs.clear();
   CurrentVRegUses.clear();
 
-  Topo.InitDAGTopologicalSorting();
+  Topo.MarkDirty();
 }
 
 raw_ostream &llvm::operator<<(raw_ostream &OS, const PseudoSourceValue* PSV) {
@@ -1158,7 +1158,7 @@
     // If Pred is reachable from Succ, then the edge creates a cycle.
     if (Topo.IsReachable(PredDep.getSUnit(), SuccSU))
       return false;
-    Topo.AddPred(SuccSU, PredDep.getSUnit());
+    Topo.AddPredQueued(SuccSU, PredDep.getSUnit());
   }
   SuccSU->addPred(PredDep, /*Required=*/!PredDep.isArtificial());
   // Return true regardless of whether a new edge needed to be inserted.


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