[PATCH] D36415: Insert IMPLICIT_DEFS for undef uses in tail merging

[Krzysztof Parzyszek via Phabricator via llvm-commits]

kparzysz updated this revision to Diff 110043.
kparzysz added a comment.

Changed how the liveness inconsistencies are detected.  Added comments with explanations.


Repository:
  rL LLVM

https://reviews.llvm.org/D36415

Files:
  lib/CodeGen/BranchFolding.cpp
  lib/CodeGen/BranchFolding.h
  test/CodeGen/Hexagon/branchfolder-insert-impdef.mir
  test/CodeGen/Hexagon/livephysregs-lane-masks2.mir

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