main (Signal(UintType(3), 'sel_s'),)
q0_o  <----  ConstExpr(UintType(4, default=8))
q1_o  <----  c1_i
  sel_s==0x1:
    q0_o  <----  a0_i
    q1_o  <----  b1_i
  sel_s==0x2:
    q0_o  <----  b0_i
  sel_s==0x4:
    q0_o  <----  c0_i
  sel_s==0x0:
    q1_o  <----  a1_i
  q0_o: c0_i
  q1_o: b1_i
slim (Signal(UintType(3), 'sel_s'),)
q2_o  <----  None
  sel_s==0x1:
    q2_o  <----  a1_i
  q2_o: a1_i
