[PATCH] D72312: [DAGCombine] Fold the (fma -x, y, -z) to -(fma x, y, z)

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 7 01:04:29 PST 2020

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RKSimon added a comment.

Wouldn't it be better to make use of the TargetLowering::isNegatibleForFree/getNegatedExpression mechanism?


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