[all-commits] [llvm/llvm-project] 2eab83: [VPlan] Remove CanonicalIV when dissolving loop re...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2eab83f6187c82c56535a77a44f1fc1cac860686
      https://github.com/llvm/llvm-project/commit/2eab83f6187c82c56535a77a44f1fc1cac860686
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-06-03 (Tue, 03 Jun 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlan.cpp
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp

  Log Message:
  -----------
  [VPlan] Remove CanonicalIV when dissolving loop regions (NFC). (#142372)

Directly replace the canonical IV when we dissolve the containing
region. That ensures that it won't get removed before the region gets
removed, which would result in an invalid region.

This removes the current ordering constraint between
convertToConcreteRecipes and dissolving regions.

PR: https://github.com/llvm/llvm-project/pull/142372



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