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

[Sumanth Gundapaneni via Phabricator via llvm-commits]

sgundapa added a comment.

I was not able to formulate a unit test that exposes this issue. 
I figured this problem when I was working on a DAG mutation for the pipeliner.


Repository:
  rL LLVM

https://reviews.llvm.org/D53105