[PATCH] D70792: [InstCombine] fold copysign with constant sign argument to (fneg+)fabs

[Eli Friedman via Phabricator via llvm-commits]

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

LGTM.  I agree it makes sense to consider fabs+fneg canonical, as opposed to an "expensive" operation like fcopysign.


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https://reviews.llvm.org/D70792