[PATCH] D149947: [MachineVerifier] Verify liveins for live-through segments

Mon May 15 04:44:00 PDT 2023

arsenm added a comment.

In D149947#4341662 <https://reviews.llvm.org/D149947#4341662>, @foad wrote:

> In D149947#4329844 <https://reviews.llvm.org/D149947#4329844>, @arsenm wrote:
>
>> Can you add a unit test for this?
>
> I'm not sure. Do we have any unit tests for specific MachineVerifier failures? I couldn't see any.

I was thinking of unittests/MI/LiveIntervalTest.cpp. You can't really write a plain MIR test to produce broken live intervals

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https://reviews.llvm.org/D149947