[all-commits] [llvm/llvm-project] 601364: [SLP]Correctly process deleted gathered loads and ...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 601364f1baef19743f572b5dc392cc3eda067c4c
      https://github.com/llvm/llvm-project/commit/601364f1baef19743f572b5dc392cc3eda067c4c
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2026-02-11 (Wed, 11 Feb 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll
    M llvm/test/Transforms/SLPVectorizer/X86/gathered-loads-non-full-reg.ll
    M llvm/test/Transforms/SLPVectorizer/X86/reordered-masked-loads.ll

  Log Message:
  -----------
  [SLP]Correctly process deleted gathered loads and short trees

If the gathered loads nodes are deleted for deletion, need to actually
deleted them from tree. Also, if the remaining tree is too short
(buildvector + gather node), need to skip such trees to avoid hanging.

Fixes #180846



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