[RDF] Add registers to live set even if they are live already

When calculating kills, a register may be considered live because a part
of it is live, but if there is a use of that (whole) register, the whole
register (and its subregisters) need to be added to the live set.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292845 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed