[all-commits] [llvm/llvm-project] 1f3f98: [VPlan] Fix crash when narrowing interleave-groups...

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1f3f9874b025057add56bfe27e792bcb04bde43e
      https://github.com/llvm/llvm-project/commit/1f3f9874b025057add56bfe27e792bcb04bde43e
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-07-04 (Fri, 04 Jul 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/transform-narrow-interleave-to-widen-memory-cost.ll

  Log Message:
  -----------
  [VPlan] Fix crash when narrowing interleave-groups with reuse.

If a wide load is used multiple times in an expression, it will be
narrowed the first time. Re-use the already narrowed op in that case to
fix crash.



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