[all-commits] [llvm/llvm-project] 67f1c0: [VPlan] Remove createReduction. NFCI (#131336)

[Luke Lau via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 67f1c033b8ff07c2713b3cb1209a574129274cbf
      https://github.com/llvm/llvm-project/commit/67f1c033b8ff07c2713b3cb1209a574129274cbf
  Author: Luke Lau <luke at igalia.com>
  Date:   2025-03-18 (Tue, 18 Mar 2025)

  Changed paths:
    M llvm/include/llvm/Transforms/Utils/LoopUtils.h
    M llvm/lib/Transforms/Utils/LoopUtils.cpp
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp

  Log Message:
  -----------
  [VPlan] Remove createReduction. NFCI (#131336)

This is split off from #131300.

A VPReductionRecipe will never have a AnyOf or FindLastIV recurrence, so
when it calls createReduction it always calls createSimpleReduction.

If we replace the call then it leaves createReduction with one user in
VPInstruction::ComputeReductionResult, which we can inline and then
remove.



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