[all-commits] [llvm/llvm-project] 028153: [VPlan] Make TransformState::get BCast-logic robus...

[Ramkumar Ramachandra via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 028153a165d6c161f0a7eb045840f5e2b70f6088
      https://github.com/llvm/llvm-project/commit/028153a165d6c161f0a7eb045840f5e2b70f6088
  Author: Ramkumar Ramachandra <artagnon at tenstorrent.com>
  Date:   2026-05-26 (Tue, 26 May 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlan.cpp
    M llvm/test/Transforms/LoopVectorize/pointer-induction.ll
    M llvm/test/Transforms/LoopVectorize/scev-predicate-reasoning.ll

  Log Message:
  -----------
  [VPlan] Make TransformState::get BCast-logic robust (#197589)

The logic for inserting Broadcasts in a more optimal location in
VPTransformState::get is quite fragile, especially around scalable VFs.
Fix it, resulting in minor improvements.



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