[PATCH] D113081: [LowerSwitch] Delete all new dead blocks accurately

[Joerg Sonnenberger via Phabricator via llvm-commits]

joerg added a comment.

I fully agree that constructing DT can be expensive especially if it is potentially done multiple times. I don't mind using it when available, but the gain seems limited for forcing it.


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https://reviews.llvm.org/D113081