[PATCH] D82765: GlobalISel: Disallow undef generic virtual register uses

[Daniel Sanders via Phabricator via llvm-commits]

dsanders added a comment.

> From that it *sounds* like a DBG_VALUE of an undef vreg doesn't make sense?

I suppose even if it can happen then as far as DBG_VALUE is concerned it would be a known location (because it's not so concerned with the actual value as where the value is) and so applying the same rules makes sense.


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https://reviews.llvm.org/D82765