[PATCH] D110238: [LiveIntervals] Fix repairOldRegInRange for simple def cases
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Sep 22 08:39:20 PDT 2021
arsenm added a comment.
In D110238#3015149 <https://reviews.llvm.org/D110238#3015149>, @foad wrote:
>> I don't follow how the test changes stress this though
>
> -early-live-intervals means that LiveIntervals is available to TwoAddressInstructionPass, which uses repairIntervalsInRange to update it. Without this patch we hit various assertion and/or verification failures because it doesn't get updated correctly.
Can you add a dedicated MIR pass that just runs TwoAddressInstructionPass then?
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D110238/new/
https://reviews.llvm.org/D110238
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