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

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 262367.
spatel marked 4 inline comments as done.
spatel added a comment.

Patch updated - no logic changes but:

1. Added code comment to make cost metric explicit - scalarize unless original vector code is cheaper.
2. Added/retained value names to improve debugging experience (tests regenerated to show diffs).


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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