[all-commits] [llvm/llvm-project] a2d873: [VPlan] Introduce cannotHoistOrSinkRecipe, fix mis...

[Ramkumar Ramachandra via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a2d873fb87ff3f8058d54c7ab2b84d46d4dc4eb1
      https://github.com/llvm/llvm-project/commit/a2d873fb87ff3f8058d54c7ab2b84d46d4dc4eb1
  Author: Ramkumar Ramachandra <ramkumar.ramachandra at codasip.com>
  Date:   2025-10-28 (Tue, 28 Oct 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/test/Transforms/LoopVectorize/first-order-recurrence-multiply-recurrences.ll

  Log Message:
  -----------
  [VPlan] Introduce cannotHoistOrSinkRecipe, fix miscompile (#162674)

Factor out common code to determine legality of hoisting and sinking.
The patch has the side-effect of fixing an underlying bug, where a
load/store pair is reordered.



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