[PATCH] D139358: Scalarizer: explicitly exclude scalable vectors

[Nicolai Hähnle via Phabricator via llvm-commits]

nhaehnle created this revision.
nhaehnle added reviewers: serge-sans-paille, bjope, lebedev.ri, foad.
Herald added a subscriber: hiraditya.
Herald added a project: All.
nhaehnle requested review of this revision.
Herald added a subscriber: alextsao1999.
Herald added a project: LLVM.

They are unsupported and would previously crash, now we just skip them.

Hypothetically, one could consider "scalarizing" a <vscale x n x T> into
n copies of <vscale x 1 x T>. But (1) it's unclear how to do that
because insertelement etc. don't work with scalable vectors in the
required way, and (2) there is no user of such functionality.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D139358

Files:
  llvm/lib/Transforms/Scalar/Scalarizer.cpp
  llvm/test/Transforms/Scalarizer/ignore-scalable-vectors.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D139358.480203.patch
Type: text/x-patch
Size: 7736 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20221205/5695444c/attachment.bin>