// TODO: If the node is a use of a CopyFromReg from a physical register
// fold the extract into the copy now
- // TODO: Add tracking info to SSARegMap of which vregs are subregs
- // to allow coalescing in the allocator
-
// Create the extract_subreg machine instruction.
MachineInstr *MI =
new MachineInstr(BB, TII->get(TargetInstrInfo::EXTRACT_SUBREG));