[PATCH] D151227: RFC: LiveIntervalCalc: Always split separate components

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

>> Is this something that never normally occurs in MIR? MachineVerifier does not complain about it.
>
> That's strange, the verifier is supposed to catch this kind of things at https://github.com/llvm/llvm-project/blob/29dc47a9eeeb2e080170109e3e2fb3cd5aad58d2/llvm/lib/CodeGen/MachineVerifier.cpp#L3333

Right, it does complain about the LiveIntervals, but I thought that indicated that the LiveIntervals were not computed correctly, not that the underlying MIR was malformed. If you don't have LiveIntervals, the verifier does not complain about the MIR.


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