[all-commits] [llvm/llvm-project] ccfe0d: [LV]: Teach LV to recursively (de)interleave. (#8...

[Hassnaa Hamdi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ccfe0de0e1e37ed369c9bf89dd0188ba0afb2e9a
      https://github.com/llvm/llvm-project/commit/ccfe0de0e1e37ed369c9bf89dd0188ba0afb2e9a
  Author: Hassnaa Hamdi <hassnaa.hamdi at arm.com>
  Date:   2024-12-27 (Fri, 27 Dec 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
    M llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-interleaved-accesses.ll
    M llvm/test/Transforms/LoopVectorize/AArch64/sve-interleaved-masked-accesses.ll
    M llvm/test/Transforms/LoopVectorize/RISCV/interleaved-accesses.ll
    A llvm/test/Transforms/PhaseOrdering/AArch64/sve-interleave-vectorization.ll

  Log Message:
  -----------
  [LV]: Teach LV to recursively (de)interleave.  (#89018)

Currently available intrinsics are only ld2/st2, which don't support interleaving factor > 2.
This patch teaches the LV to use ld2/st2 recursively to support high
interleaving factors.



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