[PATCH] D141014: [Support][SelectionDAG][GlobalISel] Hoist PostShift adjustment for IsADd into UnsignedDivideUsingMagic.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: lebedev.ri, RKSimon, spatel, efriedma.
Herald added subscribers: StephenFan, ecnelises, hiraditya.
Herald added a project: All.
craig.topper requested review of this revision.
Herald added a project: LLVM.

Instead of doing the adjustment in 3 different places in the code
base, do it inside UnsignedDivideUsingMagic::get.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D141014

Files:
  llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
  llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
  llvm/lib/Support/DivisionByConstantInfo.cpp
  llvm/unittests/Support/DivisionByConstantTest.cpp

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