[PATCH] D119973: RegAllocGreedy: Fix last chance recolor assert in impossible case
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 16 13:59:51 PST 2022
arsenm added a comment.
In D119973#3327512 <https://reviews.llvm.org/D119973#3327512>, @qcolombet wrote:
> The fix looks good to me.
>
> Out-of-curiosity, do you hit the last recoloring heuristic often?
Not sure but I've been seeing a lot of failures recently in cases like this where it would only be satisfiable if superregisters can be partially spilled
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D119973/new/
https://reviews.llvm.org/D119973
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