[PATCH] D87930: [DAG] Add BuildVectorSDNode::getRepeatedSequence helper to recognise multi-element splat patterns

[Sanjay Patel via Phabricator via llvm-commits]

spatel accepted this revision.
spatel added a comment.
This revision is now accepted and ready to land.

LGTM



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Comment at: llvm/include/llvm/CodeGen/SelectionDAGNodes.h:1927
+  /// the vector width and set the bits where elements are undef.
+  /// If result is false, Sequence will be empty.
+  bool getRepeatedSequence(SmallVectorImpl<SDValue> &Sequence,
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It would be nice to include an example or two - something similar to what is shown in the unit test.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D87930/new/

https://reviews.llvm.org/D87930