[all-commits] [llvm/llvm-project] db5f7d: Revert "[SLP]Support LShr as base for copyable ele...

[Alex Bradbury via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: db5f7dc374fdd70d39857d3402d42878139cbb4e
      https://github.com/llvm/llvm-project/commit/db5f7dc374fdd70d39857d3402d42878139cbb4e
  Author: Alex Bradbury <asb at igalia.com>
  Date:   2025-08-14 (Thu, 14 Aug 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/AArch64/alternate-vectorization-split-node.ll
    M llvm/test/Transforms/SLPVectorizer/X86/load-merge-inseltpoison.ll
    M llvm/test/Transforms/SLPVectorizer/X86/load-merge.ll

  Log Message:
  -----------
  Revert "[SLP]Support LShr as base for copyable elements"

This reverts commit ca4ebf95172d24f8c47655709b2c9eb85bda5cb2.

Causes compile-time crashes for some inputs with RVV zvl512b/zvl1024b
configurations. See here for a minimal reproducer:
https://github.com/llvm/llvm-project/pull/153393#issuecomment-3189898813



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