[all-commits] [llvm/llvm-project] 060792: [VPlan] Return std::nullopt early if plans are empty.

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 06079233f86325cb27a8197975a2bf351652e190
      https://github.com/llvm/llvm-project/commit/06079233f86325cb27a8197975a2bf351652e190
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-06-27 (Thu, 27 Jun 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    A llvm/test/Transforms/LoopVectorize/AArch64/cost-no-valid-vplans-built.ll

  Log Message:
  -----------
  [VPlan] Return std::nullopt early if plans are empty.

Fixes a crash caused by abf5969.



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