Method need_nested_loop

src/Block.cpp:449–474

}

bool
Block::need_nested_loop(const CGContext& cg_context)
{
	size_t i;
	const Statement* s = get_last_stm();
	if (looping && (s == NULL || !s->must_jump()) && cg_context.rw_directive) {
		RWDirective* rwd = cg_context.rw_directive;
		for (i=0; i<rwd->must_read_vars.size(); i++) {
			size_t dimen = rwd->must_read_vars[i]->get_dimension();
			if (dimen > cg_context.iv_bounds.size()) {
				return true;
			} else if (dimen == cg_context.iv_bounds.size() && rnd_flipcoin(10)) {
				return true;
			}
		}
		for (i=0; i<rwd->must_write_vars.size(); i++) {
			size_t dimen = rwd->must_write_vars[i]->get_dimension();
			if (dimen > cg_context.iv_bounds.size()) {
				return true;
			} else if (dimen == cg_context.iv_bounds.size() && rnd_flipcoin(10)) {
				return true;
			}
		}
	}
	return false;
}

Statement*
Block::append_nested_loop(CGContext& cg_context)