-----------------------------------------------------------------------------
cmmLivenessZ :: CmmGraph -> BlockEntryLiveness
cmmLivenessZ g = env
-----------------------------------------------------------------------------
cmmLivenessZ :: CmmGraph -> BlockEntryLiveness
cmmLivenessZ g = env
middle (MidAssign lhs expr) = gen expr . kill lhs
middle (MidStore addr rval) = gen addr . gen rval
middle (MidUnsafeCall tgt ress args) = gen tgt . gen args . kill ress
middle (MidAssign lhs expr) = gen expr . kill lhs
middle (MidStore addr rval) = gen addr . gen rval
middle (MidUnsafeCall tgt ress args) = gen tgt . gen args . kill ress