[PATCH] D71656: [DAGCombiner] Check term use before applying aggressive FSUB optimisation

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

Looks like this case was missed in rL291642 <https://reviews.llvm.org/rL291642>. Is it worth checking the other cases too, e.g. the next one at line 11896? Can you add your test to `fadd-fma-fmul-combine.ll` instead of creating a new test file?


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  https://reviews.llvm.org/D71656/new/

https://reviews.llvm.org/D71656