[PATCH] D91513: [DeadMachineInstrctionElim] Iteratively run DeadMachineInstrcutionElim pass untill nothing dead

[Michael Liao via Phabricator via llvm-commits]

hliao added a comment.

could you elaborate more on why we need to run that iteratively? since the original one runs bottom-up, supposedly it should find all.


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https://reviews.llvm.org/D91513