[Bug tree-optimization/102844] [9/10/11/12/13 Regression] DOM jump threading not copying block that became non-empty

law at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri May 20 15:11:33 GMT 2022


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102844

--- Comment #27 from Jeffrey A. Law <law at gcc dot gnu.org> ---
We're not using the backward threader to replace DOM's threader yet.  I've got
a TODO to push on Aldy's patch, but haven't been able to get to it over the
last couple weeks.  It's an, umm, busy time for us right now.

There's really only one issue we need to hash out in Aldy's work and there's a
couple proposed workarounds/interm solutions on our way to removing both the
forward threader and DOM itself.


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