[all-commits] [llvm/llvm-project] 082c81: [LV] Properly extend versioned constant strides.

[Florian Hahn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 082c81ae4ab9db6bb0acd52098288223dd58501a
      https://github.com/llvm/llvm-project/commit/082c81ae4ab9db6bb0acd52098288223dd58501a
  Author: Florian Hahn <flo at fhahn.com>
  Date:   2024-05-07 (Tue, 07 May 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/test/Transforms/LoopVectorize/version-stride-with-integer-casts.ll

  Log Message:
  -----------
  [LV] Properly extend versioned constant strides.

We only version unknown strides to 1. If the original type is i1, then
the sign of the extension matters. Properly extend the stride value
before replacing it.

Fixes https://github.com/llvm/llvm-project/issues/91369.



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