[PATCH] D79171: [InstCombine] canonicalize bitcast after insertelement into undef

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 261290.
spatel added a comment.

Patch updated:
Kept existing fold for mmx and added warning comment.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D79171/new/

https://reviews.llvm.org/D79171

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
  llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
  llvm/test/Transforms/InstCombine/bitcast-vec-canon.ll

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