[PATCH] D104440: [X86] Fix bug when X86 stackify pass handle one ArgFPRW.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

I'd also like to know what happens if you add "(fneg undef) -> undef" fold to DAGCombiner::visitFNEG.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D104440/new/

https://reviews.llvm.org/D104440