[PATCH] D53450: [Pipeliner] Ignore Artificial dependences while computing recurrences.

[Sumanth Gundapaneni via Phabricator via llvm-commits]

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

The artificial dependencies are not real dependencies. In some cases, they
form circuits with bigger MII. However, they are used to schedule instructions
better.


Repository:
  rL LLVM

https://reviews.llvm.org/D53450

Files:
  lib/CodeGen/MachinePipeliner.cpp
  test/CodeGen/Hexagon/swp-art-deps-rec.ll

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