[PATCH] D128360: [SLP]Fix a crash when reorder masked gather nodes with reused scalars.

[Alexey Bataev via Phabricator via llvm-commits]

ABataev created this revision.
ABataev added reviewers: RKSimon, vdmitrie.
Herald added subscribers: vporpo, hiraditya.
Herald added a project: All.
ABataev requested review of this revision.
Herald added a project: LLVM.

If the masked gather nodes must be reordered, we can just reorder
scalars, just like for gather nodes. But if the node contains reused
scalars, it must be handled same way as a regular vectorizable node,
since need to reorder reused mask, not the scalars directly.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D128360

Files:
  llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
  llvm/test/Transforms/SLPVectorizer/X86/reorder-reused-masked-gather.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D128360.439082.patch
Type: text/x-patch
Size: 6497 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220622/e3bc9588/attachment.bin>