[PATCH] D96013: GlobalISel: Try to combine G_[SU]DIV and G_[SU]REM

[Christudasan Devadasan via Phabricator via llvm-commits]

cdevadas updated this revision to Diff 322909.
cdevadas added a comment.

Improved the matcher function to identify a div/rem pair and any number of matching div and/or rem instructions.
Documented the new instructions in docs/GlobalISel/GenericOpcode.rst


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D96013/new/

https://reviews.llvm.org/D96013

Files:
  llvm/docs/GlobalISel/GenericOpcode.rst
  llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
  llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
  llvm/include/llvm/Support/TargetOpcodes.def
  llvm/include/llvm/Target/GenericOpcodes.td
  llvm/include/llvm/Target/GlobalISel/Combine.td
  llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/legalizer-info-validation.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/postlegalizer-combiner-divrem.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/prelegalizer-combiner-divrem.mir
  llvm/unittests/CodeGen/GlobalISel/LegalizerHelperTest.cpp

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