[PATCH] D120330: [MachineSink] Fix CFG walk in clobber check (PR53990)

ChenZheng via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Feb 22 19:26:21 PST 2022

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shchenz added a comment.

Can we check why the instruction is sunk from a shallower block `From` to a deeper block `To`?  `MachineSinking::isProfitableToSinkTo()` should not allow this?


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  https://reviews.llvm.org/D120330/new/

https://reviews.llvm.org/D120330

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