[PATCH] D53105: [Pipeliner] Fix the Schedule DAG topoligical order.

[Sumanth Gundapaneni via Phabricator via llvm-commits]

sgundapa created this revision.
sgundapa added a reviewer: bcahoon.
Herald added a subscriber: llvm-commits.

This patch updates the DAG change to reflect in the topological ordering
of the nodes.


Repository:
  rL LLVM

https://reviews.llvm.org/D53105

Files:
  lib/CodeGen/MachinePipeliner.cpp


Index: lib/CodeGen/MachinePipeliner.cpp
===================================================================
--- lib/CodeGen/MachinePipeliner.cpp
+++ lib/CodeGen/MachinePipeliner.cpp
@@ -1295,6 +1295,7 @@
     // Add a dependence between the new instruction and the instruction
     // that defines the new base.
     SDep Dep(&I, SDep::Anti, NewBase);
+    Topo.AddPred(LastSU, &I);
     LastSU->addPred(Dep);
 
     // Remember the base and offset information so that we can update the


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