[PATCH] D74713: [ConstantFold] fold fsub -0.0, undef to undef rather than NaN

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Feb 20 14:42:00 PST 2020

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lebedev.ri accepted this revision.
lebedev.ri added a comment.
This revision is now accepted and ready to land.

This is fine in general for `half`/`float`/`double` for `fsub nnan float undef, %x`/`fsub nnan float %x, undef`.


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https://reviews.llvm.org/D74713

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