[PATCH] D63973: [MachineVerifier] Improve checks of target instructions operands.

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added subscribers: bjope, dberris, lebedev.ri.
lebedev.ri added reviewers: dberris, bjope, thegameg.
lebedev.ri added a comment.

@dberris might know about XRay test failures.
@bjope might know about `DebugInfo/X86/live-debug-vars-discard-invalid.mir` failure


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63973/new/

https://reviews.llvm.org/D63973