[PATCH] D157086: [LiveRange] Remove inaccurate verification of live-in PhysRegs

[Carl Ritson via Phabricator via llvm-commits]

critson added a comment.

In D157086#4560602 <https://reviews.llvm.org/D157086#4560602>, @foad wrote:

> Could you still check that at least one aliasing registers is in the liveins? (Much as I am loath to suggest new uses of MCRegAliasIterator.)

Yes, we can check aliases -- this is only compiled with debug and so it's probably acceptable.

> Do you have a test case? Does it only show up before PHIElimination, and if so why?

This happens during / post-RA; however, normally we do not generate/regenerate LiveIntervals at this point hence this is an edge case.


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https://reviews.llvm.org/D157086