[PATCH] D56098: [ARM] Teach ComputeKnownBitsTarget to handle extract vectors

[Diogo N. Sampaio via Phabricator via llvm-commits]

dnsampaio updated this revision to Diff 179634.
dnsampaio marked 3 inline comments as done.
dnsampaio added a comment.

Track a single element if the index is a constant.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56098/new/

https://reviews.llvm.org/D56098

Files:
  lib/Target/ARM/ARMISelLowering.cpp
  test/CodeGen/ARM/dagcombine-anyexttozeroext.ll

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