[PATCH] D77319: [DAGCombine] Remove the getNegatibleCost to avoid the out of sync with getNegatedExpression

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


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Comment at: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:12397
+            N1, DAG, LegalOperations, ForCodeSize))
+      return DAG.getNode(ISD::FSUB, DL, VT, N0, NegN1, Flags);
 
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Would it help to add getCheaperNegatedExpression as a helper with the existing methods right away and rebase this on top of that?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D77319/new/

https://reviews.llvm.org/D77319