[PATCH] D76707: [DAGCombine] Add basic optimizations for FREEZE in SelDag

[Juneyoung Lee via Phabricator via llvm-commits]

aqjune added a comment.

BTW, I tried to write a unit test that checks the freeze(freeze) -> freeze folding, but simply making llc print assembly wasn't enough to distinguish its effect. Is there a commandline option that prints SelDag just after dagcombiner?


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https://reviews.llvm.org/D76707