[PATCH] D56185: [BDCE] Remove intructions without demanded bits

[Nikita Popov via Phabricator via llvm-commits]

nikic created this revision.
nikic added reviewers: hfinkel, spatel.
Herald added a subscriber: llvm-commits.

Followup to D55563 <https://reviews.llvm.org/D55563>.

If an instruction has no demanded bits, remove it directly during BDCE, instead of leaving it for something else to clean up.


Repository:
  rL LLVM

https://reviews.llvm.org/D56185

Files:
  lib/Transforms/Scalar/BDCE.cpp
  test/Transforms/BDCE/invalidate-assumptions.ll
  test/Transforms/BDCE/vectors.ll

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