[PATCH] D79452: [VectorCombine] scalarize binop of inserted elements into vector constants

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 262652.
spatel retitled this revision from "[VectorCombine] scalarize binop of inserted elements into undef" to "[VectorCombine] scalarize binop of inserted elements into vector constants".
spatel added a comment.

Patch updated:

1. Loosen pattern matching to allow any vector constant rather than just undef.
2. Use constant folding to generate the new base vector for insertion.
3. Add tests/comments.
4. Add TODO code comments for potential enhancements.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79452/new/

https://reviews.llvm.org/D79452

Files:
  llvm/lib/Transforms/Vectorize/VectorCombine.cpp
  llvm/test/Transforms/VectorCombine/X86/insert-binop.ll

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