void print_unit(Output& out, const Unit* unit) {
out.fmtln("# {} starts here", unit->filepath());
out.nl();
print_unit_metadata(out, unit);
for (auto* func : unit->funcs()) print_func(out, func);
for (auto& cls : unit->preclasses()) print_cls(out, cls.get());
for (auto& alias : unit->typeAliases()) print_alias(out, alias);
out.fmtln("# {} ends here", unit->filepath());
}
void InstructionPrinter::print_phi(int i, Value v, BlockBegin* b) {
Phi* phi = v->as_Phi();
output()->print("%2d ", i);
print_value(v);
// print phi operands
if (phi && phi->block() == b) {
output()->print(" [");
for (int j = 0; j < phi->operand_count(); j ++) {
output()->print(" ");
Value opd = phi->operand_at(j);
if (opd) print_value(opd);
else output()->print("NULL");
}
output()->print("] ");
}
print_alias(v);
}