[PATCH] D130517: [GlobalISel] Add sdiv exact (X, constant) -> mul combine.

[Amara Emerson via Phabricator via llvm-commits]

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

This port of the SDAG optimization is only for exact sdiv case.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D130517

Files:
  llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
  llvm/include/llvm/Target/GlobalISel/Combine.td
  llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/combine-sdiv.mir

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