[PATCH] D133103: [PowerPC] Improve kill flag computation and add verification after MI peephole

Nemanja Ivanovic via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 23 13:26:55 PDT 2023


nemanjai added a comment.

In D133103#4512023 <https://reviews.llvm.org/D133103#4512023>, @arsenm wrote:

> Kill flags should be removed. You should switch to reverse liveness which does not rely on accurate kill flags

I'm not sure I follow. Are you suggesting that we remove all kill flags in this pass? We're really only fixing them up to appease the verifier rather than because anything in the PPC back end relies on the flags.


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https://reviews.llvm.org/D133103



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