[PATCH] D85233: [GlobalISel] Implement bit-test switch table optimization

[Amara Emerson via Phabricator via llvm-commits]

aemerson created this revision.
aemerson added reviewers: paquette, arsenm.
Herald added subscribers: jfb, hiraditya, rovka.
Herald added a project: LLVM.
aemerson requested review of this revision.
Herald added a subscriber: wdng.

This is mostly a straight port from SelectionDAG. We re-use the actual bit-test analysis part from SwitchLoweringUtils, which was factored out earlier to support jump-tables.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85233

Files:
  llvm/include/llvm/CodeGen/GlobalISel/IRTranslator.h
  llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-switch-bittest.ll

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