[PATCH] D70093: [InstCombine] Avoid moving ops that do restrict undef across shuffles.

[Florian Hahn via Phabricator via llvm-commits]

fhahn updated this revision to Diff 229033.
fhahn added a comment.

Update to use code that uses ConstantExpr to check if things fold to undef again.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70093/new/

https://reviews.llvm.org/D70093

Files:
  llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
  llvm/test/Transforms/InstCombine/vec_shuffle.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D70093.229033.patch
Type: text/x-patch
Size: 8022 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20191113/afe88711/attachment.bin>