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Looking through some of the remaining test failures under the new pass manager, I've narrowed down one of the failures in GWPAsan(!) to the fact that the new pass manager doesn't properly skip passes like the old pass manager. For example, when a function is marked optnone, or when using https://llvm.org/docs/OptBisect.html. Lots of passes (e.g. SROA) will do the following under the legacy pass manager: bool runOnFunc...

...ne 7, 2020 7:59 PM > *To:* llvm-dev <llvm-dev at lists.llvm.org> > *Subject:* [llvm-dev] optnone/skipping passes in the new pass manager > > > > Looking through some of the remaining test failures under the new pass > manager, I've narrowed down one of the failures in GWPAsan(!) to the fact > that the new pass manager doesn't properly skip passes like the old pass > manager. For example, when a function is marked optnone, or when using > https://llvm.org/docs/OptBisect.html > <https://urldefense.com/v3/__https:/llvm.org/docs/OptBisect.html__;!!JmoZiZG...

...ne 7, 2020 7:59 PM > *To:* llvm-dev <llvm-dev at lists.llvm.org> > *Subject:* [llvm-dev] optnone/skipping passes in the new pass manager > > > > Looking through some of the remaining test failures under the new pass > manager, I've narrowed down one of the failures in GWPAsan(!) to the fact > that the new pass manager doesn't properly skip passes like the old pass > manager. For example, when a function is marked optnone, or when using > https://llvm.org/docs/OptBisect.html. > > > > Lots of passes (e.g. SROA) will do the following under the lega...