lookupLabel :: Label -> InstrM Offset
lookupLabel l = do
  InstrState { isLabelTable = lt } <- get
  return $ lookupLT l lt
lookupLabel :: Label -> InstrM Offset
lookupLabel l = do
  InstrState { isLabelTable = lt } <- get
  return $ lookupLT l lt
lookupLabel l = do
  InstrState { isLabelTable = lt } <- get
  return $ lookupLT l lt