[all-commits] [llvm/llvm-project] d4c6c8: [SLP] Support memory runtime alias checks

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d4c6c8623e9bf9aa75ad049f55423223228116b3
      https://github.com/llvm/llvm-project/commit/d4c6c8623e9bf9aa75ad049f55423223228116b3
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2026-07-13 (Mon, 13 Jul 2026)

  Changed paths:
    M llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/AArch64/loadi8.ll
    M llvm/test/Transforms/SLPVectorizer/X86/runtime-alias-checks.ll

  Log Message:
  -----------
  [SLP] Support memory runtime alias checks

Vectorize straight-line code blocked by runtime-checkable may-alias
dependencies by versioning the block. Drop the deps, and if the tree is
profitable, emit base-object address-range overlap checks branching to a
vector fast path or an original-order scalar fallback.

Fixes #201534

Reviewers: RKSimon, bababuck, hiraditya

Pull Request: https://github.com/llvm/llvm-project/pull/203631



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