[all-commits] [llvm/llvm-project] eee975: [LV] Refine check to find epilogue IV resume value.

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: eee9755881bf39bc15e6e05697abbbfabb51cb78
      https://github.com/llvm/llvm-project/commit/eee9755881bf39bc15e6e05697abbbfabb51cb78
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2025-08-01 (Fri, 01 Aug 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/test/Transforms/LoopVectorize/X86/epilog-vectorization-inductions.ll

  Log Message:
  -----------
  [LV] Refine check to find epilogue IV resume value.

Make sure to check that the vector trip count is containedin the list of
incoming values to serve as tie-breaker with phis with all-zero incoming
values.

Fixes https://github.com/llvm/llvm-project/issues/151686.



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