[all-commits] [llvm/llvm-project] dab19d: [SLP]Fix a crash for the strided nodes with revers...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dab19dac94eee19483ba1a7c37bdec4b8501acc3
      https://github.com/llvm/llvm-project/commit/dab19dac94eee19483ba1a7c37bdec4b8501acc3
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-08-23 (Fri, 23 Aug 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    A llvm/test/Transforms/SLPVectorizer/RISCV/reversed-strided-node-with-external-ptr.ll

  Log Message:
  -----------
  [SLP]Fix a crash for the strided nodes with reversed order and externally used pointer.

If the strided node is reversed, need to cehck for the last instruction,
not the first one in the list of scalars, when checking if the root
pointer must be extracted.



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