[all-commits] [llvm/llvm-project] 00efb3: [AArch64][GlobalISel] Fix crash during G_SHUFFLE_V...

[Amara Emerson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 00efb343529cce025055ca8284a61b22b48924c9
      https://github.com/llvm/llvm-project/commit/00efb343529cce025055ca8284a61b22b48924c9
  Author: Amara Emerson <amara at apple.com>
  Date:   2024-03-06 (Wed, 06 Mar 2024)

  Changed paths:
    M llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
    A llvm/test/CodeGen/AArch64/GlobalISel/legalize-shuffle-vector-widen-crash.ll

  Log Message:
  -----------
  [AArch64][GlobalISel] Fix crash during G_SHUFFLE_VECTOR legalization.

A new widening rule was running before the shuffle was canonicalized into a
homogenous form. Moving the rules around to ensure it's done before the
widening fixes the crash, although this particular test still falls back.



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