[PATCH] D40524: Handle the case of live 16-bit subregisters in X86FixupBWInsts

[Matthias Braun via Phabricator via llvm-commits]

MatzeB added a reviewer: n.bozhenov.
MatzeB added a comment.

FWIW At a first glance this feels to me as we should have the fixes in `isLive()` instead as that seems to roughly be "LivePhysRegs::contains() with tweaks" where the LivePhysRegs::contains() would check super registers.


https://reviews.llvm.org/D40524