[all-commits] [llvm/llvm-project] 77bec7: [SLP]Do not look for last instruction in schedule ...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 77bec78878762e34150fe23734fa43df796c873c
      https://github.com/llvm/llvm-project/commit/77bec78878762e34150fe23734fa43df796c873c
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-11-08 (Fri, 08 Nov 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    A llvm/test/Transforms/SLPVectorizer/X86/buildvector-schedule-for-subvector.ll

  Log Message:
  -----------
  [SLP]Do not look for last instruction in schedule block for buildvectors

If looking for the insertion point for the node and the node is
a buildvector node, the compiler should not use scheduling info for such
nodes, they may contain only partial info, which is not fully correct
and may cause compiler crash.

Fixes #114082



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