957         let r_state_ix = reg_to_reg_ix(num_real_regs, *r) as usize;  localVariable
958         debug_assert!(state[r_state_ix].is_none());
959         state[r_state_ix] = Some(ProtoRangeFrag {
964         visited.push(r_state_ix as u32);
978             let r_state_ix = reg_to_reg_ix(num_real_regs, r) as usize;  localVariable
979             match &mut state[r_state_ix] {
1001             let r_state_ix = reg_to_reg_ix(num_real_regs, *r) as usize;  localVariable
1002             match &mut state[r_state_ix] {
1023             let r_state_ix = reg_to_reg_ix(num_real_regs, *r) as usize;  localVariable
1024             match &mut state[r_state_ix] {
1034                     state[r_state_ix] = Some(new_pf);
1035                     visited.push(r_state_ix as u32);
1075         let r_state_ix = reg_to_reg_ix(num_real_regs, *r) as usize;  localVariable
1076         let state_elem_p = &mut state[r_state_ix];
1111     for r_state_ix in visited {
1112         let state_elem_p = &mut state[*r_state_ix as usize];
1121                 let r = reg_ix_to_reg(reg_universe, vreg_classes, *r_state_ix);