[PATCH] D56378: GlobalISel: Implement fewerElements for implicit_def

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: aditya_nandakumar, aemerson, dsanders.
Herald added subscribers: javed.absar, kristof.beyls, rovka, wdng.

https://reviews.llvm.org/D56378

Files:
  lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  lib/Target/AArch64/AArch64LegalizerInfo.cpp
  test/CodeGen/AArch64/GlobalISel/legalize-undef.mir

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