[PATCH] D99254: [SVE][LoopVectorize] Fix crash in InnerLoopVectorizer::widenPHIInstruction

[David Sherwood via Phabricator via llvm-commits]

david-arm updated this revision to Diff 335798.
david-arm edited the summary of this revision.
david-arm added a comment.

- I realised that there was still a broken case where the PHIs are treated as uniform, which leads us to fall into the path where the PHI is scalar after vectorisation. We can support the uniform case for scalable vectors. I've fixed the code to work for scalable vectors and added a test.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99254/new/

https://reviews.llvm.org/D99254

Files:
  llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
  llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-phi.ll

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