[all-commits] [llvm/llvm-project] 02f6ea: [SLP]Extract vectorized source of gathered sub-fields

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 02f6eaf60dcc3794ed563c0d3953de2d029f024f
      https://github.com/llvm/llvm-project/commit/02f6eaf60dcc3794ed563c0d3953de2d029f024f
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2026-09-25 (Fri, 25 Sep 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/extracted-subfields.ll

  Log Message:
  -----------
  [SLP]Extract vectorized source of gathered sub-fields

The bitcast emitted for gathered sub-fields used the source scalar
directly, even if it was vectorized and erased, causes the crash,
register the bitcast as an external user of the vectorized source.

Fixes the crash reported in #224919.

Reviewers: 

Pull Request: https://github.com/llvm/llvm-project/pull/226437



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